CN212884361U

CN212884361U - Stamping mechanism

Info

Publication number: CN212884361U
Application number: CN202021678352.XU
Authority: CN
Inventors: 胡云和
Original assignee: Chongqing Qiangdi Machinery Co ltd
Current assignee: Chongqing Qiangdi Machinery Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-06
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to the field of stamping equipment, in particular to a stamping mechanism, wherein a reset mechanism is arranged on a frame, a lower male die is arranged on the reset mechanism, and the top of the lower male die is provided with a boss protruding upwards; the driving mechanism is arranged on the rack and connected with the upper female die, and a groove matched with the boss is formed at the bottom of the upper female die; the two positioning tables are arranged on the frame at intervals, a forming groove is formed between the two positioning tables, the lower convex die is arranged in the forming groove, and the top surfaces of the bosses are flush with the table surface of the positioning tables; the positioning mechanism comprises a positioning sliding block and an adjusting component, the positioning sliding block is matched with the top of the positioning table in a sliding mode along the transverse direction, a positioning column is arranged on the positioning sliding block, and the positioning column protrudes out of the table surface of the positioning table; the adjusting component is installed in the positioning table and used for driving the positioning sliding block to move. This punching press mechanism can be adjusted according to the size of treating the punching press panel of buckling in the production, and the suitability is good, can satisfy the punching press of multiple size panel and buckle, and the shaping is effectual.

Description

Stamping mechanism

Technical Field

The utility model relates to a stamping equipment field, concretely relates to punching press mechanism.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) of a desired shape and size. The stamping can be divided into two types of separating procedures and forming procedures, wherein the separating procedures comprise punching, blanking, cutting, trimming and slicing, and the stamping materials are separated through the stamping processing. The forming process comprises bending, rolling, twisting, stretching, thinning and stretching, hole flanging, hole expanding, necking, spinning and the like, and the forming process only changes the shape of the material without separating the material.

At present, the punching and bending equipment generally places a plate on a lower die, then performs downward pressing and forming on an upper die, and before forming, the position of the plate needs to be pre-positioned to ensure the punching and bending quality. At present, a cavity and a boss mechanism is generally adopted for pre-positioning a plate, and when the size of the plate is changed, the cavity and the boss need to be replaced correspondingly. Meanwhile, in the process of pressing down the driving mechanism of the existing stamping equipment, the frame shakes due to sudden operation of the equipment, so that the position of the plate is easy to deviate, and the forming effect and the product quality are affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide a punching press mechanism.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a punching mechanism comprises a frame, an upper female die, a lower male die, a positioning table and a driving mechanism; the rack is provided with a reset mechanism, the lower male die is arranged on the reset mechanism, and the top of the lower male die is provided with an upward convex boss; the driving mechanism is arranged on the rack and connected with the upper female die, the upper female die is arranged above the lower male die, and a groove matched with the boss is formed at the bottom of the upper female die; the two positioning tables are arranged on the frame at intervals, a forming groove is formed between the two positioning tables, the lower convex die is arranged in the forming groove, and the top surfaces of the bosses are flush with the table surface of the positioning tables; a pressing assembly is arranged in the upper female die, the pressing assembly is vertically and movably matched in the groove, and the bottom of the pressing assembly is flush with the lower end face of the upper female die; the positioning mechanism comprises a positioning sliding block and an adjusting component, the positioning sliding block is matched with the top of the positioning table in a sliding mode along the transverse direction, a positioning column is arranged on the positioning sliding block, and the positioning column protrudes out of the table surface of the positioning table; the adjusting component is installed in the positioning table and used for driving the positioning sliding block to move.

Preferably, an accommodating cavity for mounting the adjusting assembly is formed in the positioning table, the adjusting assembly comprises a rotating shaft and a driving gear, the rotating shaft is rotatably connected in the accommodating cavity, and the central axis of the rotating shaft is perpendicular to the sliding direction of the positioning sliding block; the driving gear penetrates through the sleeve and is fixed on the rotating shaft, the driving gear is located below the positioning sliding block, and a driven rack meshed with the driving gear is arranged at the bottom of the positioning sliding block.

Preferably, the table top of the positioning table is provided with a sliding chute communicated with the accommodating cavity, and the length direction of the sliding chute is perpendicular to the central axis of the rotating shaft; the side walls of the sliding grooves are respectively provided with a guide groove, and the guide grooves extend along the length direction of the sliding grooves; the two sides of the positioning sliding block are respectively provided with a bulge matched with the guide groove in a shape fitting manner, and the positioning sliding block and the sliding groove are embedded into the guide groove through the bulges to realize sliding fit.

Preferably, two bearings are fixed in the accommodating cavity, the rotating shaft penetrates through and is fixed in the bearings, and one end of the rotating shaft extends out of the positioning table and is connected with an operating hand wheel.

Preferably, the top surface of the positioning slide block is positioned below the table top of the positioning table, or the top surface of the positioning slide block is flush with the table top of the positioning table.

Preferably, the number of the positioning sliding blocks and the driving gear is two, and the two positioning sliding blocks are arranged at intervals along the central axis direction of the rotating shaft.

Preferably, the pressing assembly comprises a guide rod and a pressing plate, a sliding hole communicated with the groove is formed in the upper female die, and the guide rod is vertically matched in the sliding hole in a sliding manner; the pressing plate is connected to the bottom of the guide rod, and the lower plate surface of the pressing plate is flush with the lower end surface of the upper female die; the guide rod is sleeved with a first elastic part in a penetrating mode, and two ends of the first elastic part are respectively connected with the groove top of the groove and the pressing plate.

Preferably, the frame is provided with two mounting grooves, and the two mounting grooves are positioned in the forming groove; the resetting mechanism comprises two rebound rods, the rebound rods are connected to the bottom of the lower male die, and the rebound rods penetrate through the rack after penetrating through the mounting grooves; the rebound rod is provided with an upper annular platform and a lower annular platform from top to bottom, the lower annular platform is arranged at the bottom of the rebound rod, a second elastic piece is sleeved on the rebound rod in a penetrating mode, and two ends of the second elastic piece are connected with the upper annular platform and the groove bottom of the mounting groove respectively.

Preferably, the driving mechanism comprises a guide post, a top plate, a guide plate and a hydraulic cylinder; the four guide columns are arranged on four corners of the rack in a rectangular array respectively, and the top plate is arranged at the tops of the four guide columns; the guide plate is arranged between the top plate and the rack, four guide sleeves are arranged on the guide plate, and each guide sleeve is respectively sleeved on a corresponding guide column in a sliding manner; the pneumatic cylinder is installed on the roof, and the output shaft of pneumatic cylinder is connected at the top of deflector, and last die is installed in the bottom of deflector.

The utility model has the advantages that:

the utility model discloses a punching press mechanism, it has the reference column that can adjust in the bench design of location, drives the location slider through operation adjusting part and removes to can adjust the interval between the reference column on two location bench according to the size of waiting the punching press to buckle panel. When needs punching press was buckled, place panel at boss and two location platforms, at this moment, two reference columns all support and lean on the both sides at panel, realize the prepositioning to panel position. Then, the driving mechanism drives the upper female die and the pressing assembly to descend, when the pressing assembly presses against a plate, the upper female die continues to move downwards, and can push the lower male die to move downwards after being pressed against the plate, and punching, bending and forming are completed in the forming groove.

This punching press mechanism can be adjusted according to the size of treating the punching press panel of buckling in the production through two reference columns with adjustable design, comes to fix a position and press from both sides tightly the both sides of panel to carry out prepositioning to panel before the punching press, prevent actuating mechanism and push down the in-process, because equipment abrupt operation causes the frame shake, cause the panel position to take place the skew, influence shaping effect and product quality. This punching press mechanism suitability is good, can satisfy the punching press of multiple size panel and buckle, and the shaping is effectual, has promoted the product quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is a cross-sectional view of the positioning table;

FIG. 3 is another cross-sectional view of the positioning table;

FIG. 4 is a schematic view showing a state where the upper and lower molds are pressed down;

FIG. 5 is another schematic view showing the upper and lower molds pressed downward;

FIG. 6 is another schematic view showing the upper and lower molds pressed downward;

FIG. 7 is a schematic view showing a molding state;

fig. 8 is a sectional view of the upper female mold.

Reference numerals:

1-a frame, 11-a mounting groove, 2-an upper female die, 21-a groove, 22-a guide rod, 23-a pressing plate, 24-a sliding hole, 25-a first elastic part, 3-a lower male die, 31-a boss, 4-a positioning table, 41-a containing cavity, 42-a sliding groove, 43-a guide groove, 5-a driving mechanism, 51-a guide column, 52-a top plate, 53-a guide plate, 54-a hydraulic cylinder, 55-a guide sleeve, 6-a resetting mechanism, 61-a rebound rod, 62-an upper annular table, 63-a lower annular table, 64-a second elastic part, 7-a forming groove, 8-a positioning mechanism, 81-a positioning slide block, 82-a positioning column, 83-a rotating shaft, 84-a driving gear and 85-a driven rack, 86-projection, 87-bearing, 88-operating hand wheel.

Detailed Description

The present invention will be described in further detail with reference to examples.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, in order to provide a stamping mechanism of the present invention, the stamping mechanism includes a frame 1, an upper female die 2, a lower female die 3, a positioning table 4 and a driving mechanism 5; a reset mechanism 6 is arranged on the frame 1, the lower convex die 3 is arranged on the reset mechanism 6, and the top of the lower convex die 3 is provided with a boss 31 protruding upwards 86; the driving mechanism 5 is arranged on the frame 1 and connected with the upper female die 2, the upper female die 2 is arranged above the lower male die 3, and a groove 21 matched with the boss 31 is formed at the bottom of the upper female die 2; the two positioning tables 4 are arranged on the frame 1 at intervals, a forming groove 7 is formed between the two positioning tables 4, the lower convex die 3 is arranged in the forming groove 7, and the top surfaces of the bosses 31 are flush with the top surfaces of the positioning tables 4; a pressing assembly is arranged in the upper female die 2, the pressing assembly is vertically and movably matched in the groove 21, and the bottom of the pressing assembly is flush with the lower end face of the upper female die 2; the positioning mechanism 8 comprises a positioning sliding block 81 and an adjusting component, the positioning sliding block 81 is matched with the top of the positioning table 4 in a sliding mode along the transverse direction, a positioning column 82 is arranged on the positioning sliding block 81, and the positioning column 82 protrudes out of the table top of the positioning table 4; the adjusting assembly is arranged in the positioning table 4 and is used for driving the positioning sliding block 81 to move.

The utility model discloses a punching press mechanism, its design has reference column 82 that can adjust on location platform 4, drives location slider 81 through operation adjusting part and removes to can adjust the interval between the reference column 82 on two location platforms 4 according to the size of waiting that the punching press is buckled panel. When needing the punching press to buckle, place panel at boss 31 and two location platforms 4, at this moment, two reference columns 82 all support and lean on the both sides at panel, realize the prepositioning to panel position. Then, the driving mechanism 5 drives the upper female die 2 to descend, when the pressing assembly is pressed on a plate, the upper female die 2 continues to move downwards, and after the pressing assembly is pressed on the plate, the lower male die 3 is pushed to move downwards, and punching, bending and forming are completed in the forming groove 7.

This punching press mechanism can treat the punching press to buckle the size of panel and adjust through two reference columns 82 with adjustable design in the production, comes to fix a position and press from both sides tightly panel to carry out prepositioning to panel before the punching press, prevent actuating mechanism 5 and push down the in-process, because equipment abrupt operation causes the shake of frame 1, cause the skew to take place for the panel position, influence shaping effect and product quality. This punching press mechanism suitability is good, can satisfy the punching press of multiple size panel and buckle, and the shaping is effectual, has promoted the product quality.

Specifically, an accommodating cavity 41 for installing an adjusting assembly is arranged in the positioning table 4, the adjusting assembly comprises a rotating shaft 83 and a driving gear 84, the rotating shaft 83 is rotatably connected in the accommodating cavity 41, and the central axis of the rotating shaft 83 is perpendicular to the sliding direction of the positioning sliding block 81; the driving gear 84 is sleeved and fixed on the rotating shaft 83, the driving gear 84 is positioned below the positioning sliding block 81, and the bottom of the positioning sliding block 81 is provided with a driven rack 85 meshed with the driving gear 84. When the position of the positioning column 82 needs to be adjusted, the rotating shaft 83 is operated to rotate to drive the driving gear 84 to rotate, and the driving gear 84 is meshed with the driven rack 85 at the bottom of the positioning slider 81 for transmission, so that the positioning slider 81 is driven to move on the positioning table 4, and the position of the positioning column 82 is adjusted.

Furthermore, the table top of the positioning table 4 is provided with a chute 42 communicated with the accommodating cavity 41, and the length direction of the chute 42 is perpendicular to the central axis of the rotating shaft 83; the side walls of the sliding grooves 42 are respectively provided with a guide groove 43, and the guide grooves 43 extend along the length direction of the sliding grooves 42; the two sides of the positioning sliding block 81 are respectively formed with a protrusion 86 which is matched with the guiding groove 43 in a form fit manner, and the positioning sliding block 81 and the sliding groove 42 are embedded into the guiding groove 43 through the protrusion 86 to realize sliding fit. Because the protrusions 86 on the two sides of the positioning sliding block 81 are in sliding fit with the guide grooves 43 of the sliding groove 42, the protrusions 86 and the guide grooves 43 can support and limit the positioning sliding block 81, and therefore, the positioning sliding block 81 cannot fall off and can only slide along the sliding groove 42.

Furthermore, in order to facilitate the rotation of the operating shaft 83, two bearings 7 are fixed in the accommodating cavity 41, the rotating shaft 83 is inserted and fixed in the bearings 7, and one end of the rotating shaft 83 extends out of the positioning table 4 and is connected with an operating hand wheel 88.

Further, in order that the positioning slide 81 does not affect the placement position of the plate material on the positioning table 4, the top surface of the positioning slide 81 is located below the top surface of the positioning table 4, or the top surface of the positioning slide 81 is flush with the top surface of the positioning table 4.

In addition, in order to improve the stability of positioning and stabilizing the positioning column 82 on the plate material, the number of the positioning sliders 81 and the driving gear 84 is two, and the two positioning sliders 81 are arranged at intervals along the central axis direction of the rotating shaft 83.

In a specific embodiment, the pressing assembly comprises a guide rod 22 and a pressing plate 23, a sliding hole 24 communicated with the groove 21 is formed in the upper female die 2, and the guide rod 22 is vertically matched in the sliding hole 24 in a sliding manner; the pressing plate 23 is connected to the bottom of the guide rod 22, and the lower plate surface of the pressing plate 23 is flush with the lower end surface of the upper female die 2; the guide rod 22 is sleeved with a first elastic member 25, and two ends of the first elastic member 25 are respectively connected with the groove top of the groove 21 and the pressing plate 23. When the driving mechanism 5 drives the upper female die 2 and the pressing component to descend, the lower end faces of the pressing plate 23 and the upper female die 2 can be pressed on a plate simultaneously, the guide rod 22 is movably matched in the sliding hole 24, the upper female die 2 is driven by the driving mechanism 5 to continuously move downwards, part of the rod body of the guide rod 22 can retract into the sliding hole 24, the upper female die 2 can continuously compress the first elastic part 25 in the downward moving process, and the lower male die 3 is pressed on the rack 1 until the stamping and bending forming is finally completed in the forming groove 7. When the driving mechanism 5 drives the upper female die 2 to ascend, the pressing plate 23 and the guide rod 22 can reset under the elastic action of the first elastic piece 25, so that the lower plate surface of the pressing plate 23 is flush with the lower end surface of the upper female die 2. Of course, in order to prevent the guide rod 22 from falling out of the slide hole 24, the top of the guide rod 22 is provided with a stopper.

In a specific embodiment, the frame 1 is provided with two mounting grooves 11, and the two mounting grooves 11 are located in the forming groove 7; the resetting mechanism 6 comprises two rebound rods 61, the rebound rods 61 are connected to the bottom of the lower male die 3, and the rebound rods 61 penetrate through the rack 1 after penetrating through the mounting groove 11; the rebound rod 61 is provided with an upper annular table 62 and a lower annular table 63 from top to bottom, the lower annular table 63 is arranged at the bottom of the rebound rod 61, the rebound rod 61 is sleeved with a second elastic piece 64 in a penetrating manner, and two ends of the second elastic piece 64 are respectively connected with the upper annular table 62 and the groove bottom of the mounting groove 11. When the lower punch 3 is pushed by the upper die 2 to move downwards, the rebound rod 61 moves downwards to drive the upper annular table 62 to be matched with the mounting groove 11 to compress the second elastic piece 64. When the driving mechanism 5 drives the upper female die 2 to ascend, the second elastic member 64 pushes the upper annular table 62 upwards, so that the lower male die 3 is reset. And the lower annular table 63 serves to limit the position at which the lower punch 3 is raised.

In a particular embodiment, the drive mechanism 5 includes a guide post 51, a top plate 52, a guide plate 53, and a hydraulic cylinder 54; four guide posts 51 are respectively arranged on four corners of the frame 1 in a rectangular array, and a top plate 52 is arranged on the tops of the four guide posts 51; the guide plate 53 is arranged between the top plate 52 and the frame 1, four guide sleeves 55 are arranged on the guide plate 53, and each guide sleeve 55 is respectively sleeved on a corresponding guide column 51 in a sliding manner; the hydraulic cylinder 54 is mounted on the top plate 52, the output shaft of the hydraulic cylinder 54 is connected to the top of the guide plate 53, and the upper die 2 is mounted on the bottom of the guide plate 53.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A punching press mechanism which characterized in that: comprises a frame, an upper female die, a lower male die, a positioning table and a driving mechanism;

the rack is provided with a reset mechanism, the lower male die is arranged on the reset mechanism, and the top of the lower male die is provided with an upward convex boss; the driving mechanism is arranged on the rack and connected with the upper female die, the upper female die is arranged above the lower male die, and a groove matched with the boss is formed at the bottom of the upper female die; the two positioning tables are arranged on the frame at intervals, a forming groove is formed between the two positioning tables, the lower convex die is arranged in the forming groove, and the top surfaces of the bosses are flush with the table surface of the positioning tables; a pressing assembly is arranged in the upper female die, the pressing assembly is vertically and movably matched in the groove, and the bottom of the pressing assembly is flush with the lower end face of the upper female die;

the positioning mechanism comprises a positioning sliding block and an adjusting component, the positioning sliding block is matched with the top of the positioning table in a sliding mode along the transverse direction, a positioning column is arranged on the positioning sliding block, and the positioning column protrudes out of the table surface of the positioning table; the adjusting component is installed in the positioning table and used for driving the positioning sliding block to move.

2. The stamping mechanism of claim 1, wherein: an accommodating cavity for installing an adjusting assembly is formed in the positioning table, the adjusting assembly comprises a rotating shaft and a driving gear, the rotating shaft is rotatably connected in the accommodating cavity, and the central axis of the rotating shaft is perpendicular to the sliding direction of the positioning sliding block; the driving gear penetrates through the sleeve and is fixed on the rotating shaft, the driving gear is located below the positioning sliding block, and a driven rack meshed with the driving gear is arranged at the bottom of the positioning sliding block.

3. The stamping mechanism of claim 2, wherein: the table top of the positioning table is provided with a sliding chute communicated with the accommodating cavity, and the length direction of the sliding chute is perpendicular to the central axis of the rotating shaft; the side walls of the sliding grooves are respectively provided with a guide groove, and the guide grooves extend along the length direction of the sliding grooves; the two sides of the positioning sliding block are respectively provided with a bulge matched with the guide groove in a shape fitting manner, and the positioning sliding block and the sliding groove are embedded into the guide groove through the bulges to realize sliding fit.

4. A stamping mechanism as claimed in claim 3, wherein: two bearings are fixed in the accommodating cavity, the rotating shaft penetrates through and is fixed in the bearings, and one end of the rotating shaft extends out of the positioning table and is connected with an operating hand wheel.

5. The stamping mechanism of claim 4, wherein: the top surface of the positioning sliding block is positioned below the table top of the positioning table, or the top surface of the positioning sliding block is flush with the table top of the positioning table.

6. The stamping mechanism of claim 5, wherein: the number of the positioning sliding blocks and the driving gear is two, and the two positioning sliding blocks are arranged at intervals along the central axis direction of the rotating shaft.

7. The punching mechanism according to any one of claims 1 to 6, wherein: the pressing assembly comprises a guide rod and a pressing plate, a sliding hole communicated with the groove is formed in the upper female die, and the guide rod is vertically matched in the sliding hole in a sliding manner; the pressing plate is connected to the bottom of the guide rod, and the lower plate surface of the pressing plate is flush with the lower end surface of the upper female die; the guide rod is sleeved with a first elastic part in a penetrating mode, and two ends of the first elastic part are respectively connected with the groove top of the groove and the pressing plate.

8. The stamping mechanism of claim 1, wherein: the frame is provided with two mounting grooves which are positioned in the forming groove; the resetting mechanism comprises two rebound rods, the rebound rods are connected to the bottom of the lower male die, and the rebound rods penetrate through the rack after penetrating through the mounting grooves; the rebound rod is provided with an upper annular platform and a lower annular platform from top to bottom, the lower annular platform is arranged at the bottom of the rebound rod, a second elastic piece is sleeved on the rebound rod in a penetrating mode, and two ends of the second elastic piece are connected with the upper annular platform and the groove bottom of the mounting groove respectively.

9. The stamping mechanism of claim 1, wherein: the driving mechanism comprises a guide post, a top plate, a guide plate and a hydraulic cylinder;

the four guide columns are arranged on four corners of the rack in a rectangular array respectively, and the top plate is arranged at the tops of the four guide columns; the guide plate is arranged between the top plate and the rack, four guide sleeves are arranged on the guide plate, and each guide sleeve is respectively sleeved on a corresponding guide column in a sliding manner; the pneumatic cylinder is installed on the roof, and the output shaft of pneumatic cylinder is connected at the top of deflector, and last die is installed in the bottom of deflector.