CN111532043A

CN111532043A - Seal driving structure of stamping machine

Info

Publication number: CN111532043A
Application number: CN202010408709.0A
Authority: CN
Inventors: 汝小平; 韦家幸
Original assignee: Foshan Shurong Information Technology Co ltd
Current assignee: Foshan Shurong Information Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-14

Abstract

The invention discloses a seal driving structure of a stamping machine, which comprises a lifting device, a force compensation device and a hoisting device fixedly connected with a seal. The lifting device, the force compensation device and the hoisting device are sequentially and vertically arranged, the lifting device drives the force compensation device to move up and down, and the hoisting device moves along with the movement of the force compensation device. This kind of stamping machine's seal drive structure increases the strength compensation arrangement that has elasticity between elevating gear and seal, and after elevating gear drive seal contacted the paper, the power that elevating gear was many was gone out was absorbed by strength compensation arrangement, and strength compensation arrangement's elasticity plays the cushioning effect, guarantees that the seal is abundant and the paper contact, and it is of high quality to seal, is difficult for moreover because of excessively damaging the seal hard.

Description

Seal driving structure of stamping machine

Technical Field

The invention relates to the technical field of automatic stamping equipment, in particular to a seal driving structure of a stamping machine.

Background

Present machine of stamping, it is direct through anchor clamps usually on the motor lead screw, the fixed seal body of devices such as cover utensil, stamp downwards by motor direct drive seal, the machine of stamping of this kind of structure, because the overdraft direct action of motor is on the seal, the drive power of motor is difficult to accurate control, lead to the seal to damage easily, the effect of stamping of seal is poor, moreover, to the seal of co-altitude, the adjusting motor's that the machine of stamping all need correspond downforce, in order to avoid unable stamp or damage the seal, the troublesome poeration, the suitability is poor.

Disclosure of Invention

The invention aims to provide a seal driving structure of a stamping machine, which is not easy to damage a seal and has a good stamping effect.

The purpose of the invention is realized as follows:

seal drive structure of machine of stamping, including elevating gear, strength compensation arrangement and be used for with seal fixed connection's hoist device, elevating gear, strength compensation arrangement and hoist device three are vertical arranging in proper order, elevating gear drive strength compensation arrangement reciprocates, and hoist device removes along with the removal of strength compensation arrangement. This kind of stamping machine's seal drive structure increases the strength compensation arrangement that has elasticity between elevating gear and seal, and after elevating gear drive seal contacted the paper, the power that elevating gear was many was gone out was absorbed by strength compensation arrangement, and strength compensation arrangement's elasticity plays the cushioning effect, guarantees that the seal is abundant and the paper contact, and it is of high quality to seal, is difficult for moreover because of excessively damaging the seal hard.

The aim of the invention can also be solved by the following technical measures:

as a more specific scheme, the force compensation device comprises an outer cylinder, an inner cylinder, a guide post and a first spring, wherein the top of the outer cylinder is connected with a lifting device, the bottom surface of the outer cylinder is open, the inner cylinder is arranged in the outer cylinder, the bottom surface of the inner cylinder is open, a hoisting device is arranged in the inner cylinder, the bottom of the guide post is fixed on the top surface of the inner cylinder, the top of the guide post penetrates through the outer cylinder and is connected with a post cap, the first spring is sleeved on the guide post, and the first spring is arranged between. Flexible setting between urceolus and the inner tube possesses the guide effect to cushion the overdraft of urceolus to the inner tube through first spring, simple structure, reliable can also control the buffering dynamics through the guide post length of adjusting between urceolus and the inner tube.

The number of the guide posts is three, the first spring is arranged on each guide post, and the three guide posts are distributed in a shape like a Chinese character 'pin'. The seal is stressed evenly, and the seal stamping quality is improved.

The seal height adaptation device is further arranged between the force compensation device and the hoisting device and comprises a stud, a second spring and a limiting ring, the bottom of the stud penetrates through the top surface of the inner cylinder and is fixedly connected with the top of the hoisting device, the second spring is sleeved in the stud, the second spring is arranged between a nut of the stud and the top surface of the inner cylinder, the limiting ring is sleeved on the seal in a tight mode, and the limiting ring abuts against the bottom of the inner cylinder. The limiting ring fixes the bottom of the seal at the bottom of the inner cylinder, and the hoisting device at the top of the seal is elastically fixed with the top surface of the inner cylinder through the stud and the second spring, so that the requirement of adapting to the heights of various seals can be met.

The lifting device comprises a mounting disc, a sensing mechanism and a locking mechanism, the locking mechanism comprises an upper locking device and a lower locking device fixedly connected with the seal, the upper locking device is fixed on the mounting disc, the lower locking device is close to the upper locking device, and the sensing mechanism controls the upper locking device and the lower locking device to be locked with each other after detecting the lower locking device. The seal is placed at the bottom of the stamping machine, the lifting device enables the upper locking device to be close to the lower locking device, and the sensing mechanism controls the upper locking device and the lower locking device to be locked with each other, so that the connection between the seal and the stamping machine is realized, the structure is simple, the disassembly and the assembly are convenient, and in addition, the lifting device drives the locking mechanism to integrally move up and down to realize the automatic stamping function

Go up locking device and include rotating electrical machines and go up the cassette, the rotating electrical machines is fixed at the mounting disc top surface, goes up the cassette setting in the mounting disc bottom surface, locking device includes the chuck down, is equipped with interior annular groove in the chuck, evenly is equipped with protruding edge under two piece at least "7" style of calligraphy on the interior annular groove lateral wall, forms the breach between the lower protruding edge, goes up the corresponding lower protruding edge position of cassette lateral wall and is equipped with protruding edge, and the epirelief is along aligning the breach, goes up the cassette and inserts in the interior annular groove, and the output shaft of rotating electrical machines passes the mounting disc and drives the cassette rotation so that the epirelief is along arranging protruding edge. Go up protruding edge and protruding edge coincide or stagger in vertical direction down, realize locking device and lower locking device locking or unclamp promptly, thereby reach the purpose of simple quick assembly disassembly seal, protruding along moving range and direction on can limiting on protruding along the lower border of "7" style of calligraphy, it is bigger to make protruding edge and epirelief along overlapping region from top to bottom, like this, locking mechanism reciprocates the in-process that realizes automatic stamping along with elevating gear, protruding edge and epirelief are along difficult production dislocation down, avoid locking device and lower locking device pine to take off.

The upper clamping seat is fixed on the center of the bottom surface of the mounting disc through a pivot in a rotating mode, the side wall of the top of the upper clamping seat is a driven gear, an output shaft of the rotating motor penetrates through the mounting disc to be connected with a driving gear, and the driving gear is meshed with the driven gear. On the same axis of elevating gear, mounting disc center, last cassette three, the seal atress is even not fragile, and the effect of stamping is good, and driven gear makes the rotating electrical machines mounting disc bottom surface central point that staggers put, elevating gear and rotating electrical machines dislocation installation promptly, mutual noninterference, structural design is reasonable.

The induction mechanism is a travel switch which is fixed on the bottom surface of the mounting plate, and after the lower locking device triggers the travel switch, the travel switch controls the upper locking device to act so as to lock the upper locking device and the lower locking device with each other. The travel switch can ensure that the upper locking device and the lower locking device can be accurately interlocked at a preset position.

The bottom of the lower locking device is provided with a clamping ring and a flexible sleeve used for fixing the seal, the top of the flexible sleeve is provided with a fixed seat, the clamping ring is sleeved on the flexible sleeve in a penetrating manner, the clamping ring and the lower locking device are fixedly clamped on the fixed seat, and a spring is arranged in the flexible sleeve. The seal is protected to flexible cover, makes it not fragile, and makes things convenient for the seal to fix under locking device, and flexible cover can adapt to multiple seal, enlarges the application scope of machine of stamping, utilizes the elasticity of spring to eliminate the clearance between seal and the flexible cover, avoids the seal to shift in flexible cover to ghost image appears when avoiding stamping, in addition, utilizes the elastic deformation of spring, and the stamp cap holds the chamber and can adapts to the stamp handle seal of unnecessary height.

The lifting device comprises a lifting motor, a screw rod and a nut, the nut is fixedly connected with the outer barrel, the screw rod is in threaded connection with the nut, the lifting motor drives the screw rod to rotate, the nut drives the mounting disc to move up and down, the automatic stamping function can be realized by moving the mounting disc up and down, the upper locking device can be close to the lower locking device, the automatic lifting of the seal is realized in the stamping machine, and the seal is convenient to mount and dismount.

The invention has the following beneficial effects:

(1) this kind of stamping machine's seal drive structure increases the strength compensation arrangement that has elasticity between elevating gear and seal, and after elevating gear drive seal contacted the paper, the power that elevating gear was many was gone out was absorbed by strength compensation arrangement, and strength compensation arrangement's elasticity plays the cushioning effect, guarantees that the seal is abundant and the paper contact, and it is of high quality to seal, is difficult for moreover because of excessively damaging the seal hard.

(2) Secondly, flexible setting between urceolus and the inner tube possesses the guide effect to cushion the overdraft of urceolus to the inner tube through first spring, simple structure, reliable can also control the buffering dynamics through the guide post length of adjusting between urceolus and the inner tube. The guide post evenly distributed, the seal atress is even, improves the seal quality of stamping, and the spacing ring is fixed including the barrel head portion with the seal bottom, and the hoist device at seal top passes through double-screw bolt and second spring elastic fixation with the inner tube top surface, can satisfy the demand that adapts to multiple seal height like this.

(3) Moreover, the seal is placed at the bottom of the stamping machine, the lifting device enables the upper locking device to be close to the lower locking device, and the sensing mechanism controls the upper locking device and the lower locking device to be locked with each other, so that the connection between the seal and the stamping machine is realized, the structure is simple, the disassembly and assembly are convenient, and in addition, the lifting device drives the locking mechanism to integrally move up and down to realize the automatic stamping function.

(4) Then, the upper convex edge and the lower convex edge are overlapped or staggered in the vertical direction, namely locking or loosening of the upper locking device and the lower locking device is realized, so that the purpose of simply and quickly disassembling the seal is achieved, the moving range and the direction of the upper convex edge can be limited by the lower convex edge in the 7-shaped shape, and the up-down overlapping area of the lower convex edge and the upper convex edge is larger.

(4) In addition, the sensing mechanism can ensure that the upper locking device and the lower locking device can be accurately interlocked at a preset position, and the seal is simple, easy and quick to disassemble and assemble.

Drawings

Fig. 1 is a schematic view of a stamp driving structure of a stamping machine (a housing is omitted).

Fig. 2 is an exploded view of a stamp driving structure of the stamping machine.

Fig. 3 is a schematic structural view of the mounting plate, the sensing mechanism and the upper locking device.

Fig. 4 is a schematic structural view of the lower locking device.

FIG. 5 is a schematic cross-sectional view of a stamping machine.

FIG. 6 is a schematic cross-sectional view of a stamp driving structure of the stamping machine.

Detailed Description

The invention is further described with reference to the following figures and examples.

Referring to fig. 1 to 6, the seal driving structure of the sealing machine includes a housing 1, a lifting device 3, a force compensation device 4 and a hoisting device 5, wherein the lifting device 3, the force compensation device 4 and the hoisting device 5 are vertically arranged in sequence. The lifting device 3 comprises a lifting motor 31, a screw rod 32 and a nut 33, the lifting motor 31 is fixed on the shell 1, the nut 33 is fixedly connected with the outer barrel, the screw rod 32 is in threaded connection with the nut 33, and the lifting motor 31 drives the screw rod 32 to rotate.

The force compensation device 4 comprises an outer cylinder 41, an inner cylinder 42, a guide post 43 and a first spring 44, wherein the top of the outer cylinder 41 is connected with the lifting device 3, the bottom surface of the outer cylinder 41 is open, the inner cylinder 42 is arranged in the outer cylinder 41, the bottom surface of the inner cylinder 42 is open, the hoisting device 5 is arranged in the inner cylinder 42, the bottom of the guide post 43 is fixed on the top surface of the inner cylinder 42, the top of the guide post 43 penetrates through the outer cylinder 41 and is connected with a post cap (not shown in the figure), the first spring 44 is sleeved on the guide post 43, and the first spring 44 is arranged between the. In this embodiment, there are three guide posts 43, each guide post 43 is provided with the first spring 44, and the three guide posts 43 are distributed in a shape like a Chinese character pin.

A seal height adapting device 6 is further arranged between the force compensation device 4 and the hoisting device 5, the seal height adapting device 6 comprises a stud 61, a second spring 62 and a limiting ring 63, the bottom of the stud 61 penetrates through the top surface of the inner cylinder 42 and is fixedly connected with the top of the mounting disc 51, the second spring 62 is sleeved in the stud 61, the second spring 62 is arranged between a nut of the stud 61 and the top surface of the inner cylinder 42, the limiting ring 63 is tightly sleeved on a seal, the limiting ring 63 abuts against the bottom of the inner cylinder 42, and the limiting ring 63 and the inner cylinder 42 are arranged in a limiting and orienting mode so that the chuck can enter the inner cylinder 42 in a preset state.

The lifting device 5 comprises a mounting disc 51, an induction mechanism 52 and a locking mechanism 53, the locking mechanism 53 comprises an upper locking device 7 and a lower locking device 8 fixed at the top of the stamp 9, the upper locking device 7 is fixed on the mounting disc 51, the lower locking device 8 is close to the upper locking device 7, and the induction mechanism 52 controls the upper locking device 7 and the lower locking device 8 to be locked with each other after detecting the lower locking device 8.

Wherein, the upper locking device 7 comprises a rotating motor 71 and an upper clamping seat 72, the rotating motor 71 is fixed on the top surface of the mounting disc 51, an output shaft of the rotating motor 71 passes through the mounting disc 51 and is connected with a driving gear 73, the upper clamping seat 72 is fixed on the central position of the bottom surface of the mounting disc 51 through a pivot shaft in a rotating way, the side wall of the top of the upper clamping seat 72 is a driven gear 74, the side wall of the bottom wall of the upper clamping seat 72 is uniformly provided with two upper convex edges 75, the driving gear 73 is engaged with, the lower locking device 8 comprises a chuck 81, an inner annular groove 82 is formed in the chuck 81, two 7-shaped lower protruding edges 83 are uniformly arranged on the side wall of the inner annular groove 82, a gap 84 is formed between the lower protruding edges 83, the upper protruding edge 75 is aligned with the gap 84, the upper clamping seat 72 is inserted into the inner annular groove 82, and an output shaft of the rotating motor 71 penetrates through the mounting disc 51 and drives the upper clamping seat 72 to rotate so that the upper protruding edge 75 is arranged below the lower protruding edge 83.

The induction mechanism 52 is a travel switch, the travel switch is fixed on the bottom surface of the mounting disc 51, and after the lower locking device 8 triggers the travel switch, the travel switch controls the upper locking device 7 to act, so that the upper clamping seat 72 and the chuck 81 are locked and fixed with each other.

The cover has flexible cover 2 on the chapter handle of seal 9, and the 2 tops of flexible cover are fixing base 21, chuck 81 bottom is equipped with snap ring 85, and snap ring 85 wears to overlap on flexible cover 2, and snap ring 85 and chuck 81 pass through threaded connection in order to press from both sides tightly fixing base 21. A spring (not shown in the figure) is further arranged in the flexible sleeve 2, the stamp handle of the stamp 9 and the flexible sleeve 2 are respectively contacted with two ends of the spring, no gap exists between the stamp 9 and the flexible sleeve 2 due to the spring, and the flexible sleeve 2 can adapt to stamp handles of stamps 9 with different heights due to the elasticity of the spring.

The seal 9 replacing or assembling and disassembling process: the limiting ring 63 and the clamping ring 85 are sequentially sleeved on the stamp stem of the stamp 9, the stamp stem is inserted into the flexible sleeve 2, the flexible sleeve 2 exhausts air and sucks the stamp stem by using negative pressure, the chuck 81 is placed on the fixed seat 21 of the flexible sleeve 2, the clamping ring 85 and the chuck 81 are connected through screws so as to clamp the fixed seat 21, the whole is placed on the bottom surface of the stamping machine, the lifting device 3 drives the mounting disc 51 to move downwards until the chuck 81 touches the travel switch, at the moment, the upper convex edge 75 is aligned with the notch 84, the upper clamping seat 72 is inserted into the inner annular groove 82, the rotary motor 71 drives the upper clamping seat 72 to rotate so that the upper convex edge 75 is placed below the lower convex edge 83, the rotary motor 71 stops rotating, the lifting device 3 drives the mounting disc 51 to move upwards, the stamp 9 moves upwards along with the upper convex edge, and the. The rotary motor 71 rotates in the opposite direction and the upper flange 75 aligns with the notch 84 and the chuck 81 disengages from the stamping machine together with the stamp 9 under the influence of gravity.

When the stamps 9 with different heights are fixed in the stamping machine, the bottoms of the stamps 9 are fixed at the bottom of the inner cylinder 42 through the limiting ring 63, the top of the stamps 9 is connected with the fixed disc through the chuck 81, namely, the distance between the fixed disc and the top surface of the inner cylinder 42 is different, namely, the distance between the stud 61 and the inner cylinder 42 is different, the second spring 62 is compressed between the inner cylinder 42 and the stud 61, the elasticity of the second spring 62 enables the stud 61 to move upwards instead, so that the fixed disc moves upwards, and the purpose of fixing the upper end and the lower end of the stamp 9 is achieved.

When stamping, the motor drives the screw rod 32 to rotate, the screw rod 32 rotates to drive the outer cylinder 41 to move downwards, because the stamp 9 in the inner cylinder 42 is not contacted with a paper surface, the elasticity of the first spring 44 enables the positions of the outer cylinder 41 and the inner cylinder 42 to be kept fixed, the inner cylinder 42 moves downwards along with the outer cylinder 41, when the stamp 9 is contacted with the paper surface, the stamp 9 cannot move downwards, that is, the inner cylinder 42 cannot move downwards continuously, but the outer cylinder 41 moves downwards continuously, and at the same time, the first spring 44 is compressed, the elastic force of the first spring 44 provides resistance to the downward movement of the outer cylinder 41, and further, downward pressure is applied to the inner cylinder 42 continuously, so that the seal 9 is tightly adhered to the paper surface to achieve the purpose of good sealing quality, the motor rotates reversely, the outer cylinder 41 moves upwards, at this time, before the first spring 44 is not reset, the first spring 44 still brings the stamp 9 into contact with the paper surface, the outer cylinder 41 continues to move upward, the first spring 44 is reset, the inner cylinder 42 also moves upward, and the stamp 9 is separated from the paper surface.

Claims

1. Seal drive structure of machine of stamping, its characterized in that: including elevating gear (3), strength compensation arrangement (4) and be used for with seal (9) fixed connection's hoist device (5), elevating gear (3), strength compensation arrangement (4) and hoist device (5) three vertically arrange in proper order, elevating gear (3) drive strength compensation arrangement (4) reciprocate, hoist device (5) remove and remove along with strength compensation arrangement (4).

2. The seal driving structure of a sealing machine according to claim 1, characterized in that: the force compensation device (4) comprises an outer cylinder (41), an inner cylinder (42), a guide post (43) and a first spring (44), the top of the outer cylinder (41) is connected with the lifting device (3), the bottom surface of the outer cylinder (41) is opened, the inner cylinder (42) is arranged in the outer cylinder (41), the bottom surface of the inner cylinder (42) is opened, the hoisting device (5) is arranged in the inner cylinder (42), the bottom of the guide post (43) is fixed on the top surface of the inner cylinder (42), the top of the guide post (43) penetrates through the outer cylinder (41) and is connected with a post cap, the first spring (44) is sleeved on the guide post (43), and the first spring (44) is arranged between the outer cylinder (41) and the inner cylinder (42).

3. The seal driving structure of a sealing machine according to claim 2, characterized in that: the number of the guide columns (43) is three, the first spring (44) is arranged on each guide column (43), and the three guide columns (43) are distributed in a shape like a Chinese character pin.

4. The seal driving structure of a sealing machine according to claim 2, characterized in that: still be equipped with seal high adaptation device (6) between strength compensation arrangement (4) and hoist device (5), seal high adaptation device (6) include double-screw bolt (61), second spring (62) and spacing ring (63), inner tube (42) top surface and hoist device (5) top fixed connection are passed to double-screw bolt (61) bottom, second spring (62) cover is established in double-screw bolt (61), and second spring (62) are arranged in between the nut of double-screw bolt (61) and inner tube (42) top surface, spacing ring (63) cover tightly on the seal, and spacing ring (63) offset bottom inner tube (42).

5. The seal driving structure of a sealing machine according to claim 1, characterized in that: hoisting device (5) are including mounting disc (51), response mechanism (52) and locking mechanism (53), locking mechanism (53) including locking device (7) and be used for with seal (9) fixed connection's lower locking device (8), go up locking device (7) and fix on mounting disc (51), locking device (7) are close to down and go up locking device (7), response mechanism (52) detect down locking device (8) after control locking device (7) and lower locking device (8) lock each other.

6. The seal driving structure of a sealing machine according to claim 5, characterized in that: go up locking device (7) and include rotating electrical machines (71) and last cassette (72), rotating electrical machines (71) are fixed at mounting disc (51) top surface, go up cassette (72) and set up in mounting disc (51) bottom surface, lower locking device (8) include chuck (81), are equipped with interior annular groove (82) in chuck (81), evenly are equipped with two piece at least "7" style of calligraphy lower protruding edge (83) on interior annular groove (82) lateral wall, form breach (84) between lower protruding edge (83), go up cassette (72) lateral wall and correspond lower protruding edge (83) position and be equipped with protruding edge (75), go up protruding edge (75) and align breach (84), go up in cassette (72) insert interior annular groove (82), the output shaft of rotating electrical machines (71) passes mounting disc (51) and drives upper cassette (72) and rotate so that lower protruding edge (83) below is arranged in to last cassette (75).

7. The seal driving structure of a sealing machine according to claim 6, characterized in that: the upper clamping seat (72) is fixed on the center of the bottom surface of the mounting disc (51) through a pivot in a rotating mode, the side wall of the top of the upper clamping seat (72) is provided with a driven gear (74), an output shaft of the rotating motor (71) penetrates through the mounting disc (51) to be connected with a driving gear (73), and the driving gear (73) is meshed with the driven gear (74).

8. The seal driving structure of a sealing machine according to claim 5, characterized in that: the induction mechanism (52) is a travel switch, the travel switch is fixed on the bottom surface of the mounting plate (51), and after the lower locking device (8) triggers the travel switch, the travel switch controls the upper locking device (7) to act so as to enable the upper locking device (7) and the lower locking device (8) to be locked with each other.

9. The seal driving structure of a sealing machine according to claim 5, characterized in that: lower locking device (8) bottom is equipped with snap ring (85) and is used for fixing flexible cover (2) of seal (9), and flexible cover (2) top is fixing base (21), and the cover is worn on flexible cover (2) in snap ring (85), and snap ring (85) and lower locking device (8) clamping are fixed fixing base (21), flexible cover (2) embeds there is the spring.

10. The seal driving structure of a sealing machine according to claim 2, characterized in that: the lifting device (3) comprises a lifting motor (31), a screw rod (32) and a nut (33), the nut (33) is fixedly connected with the outer barrel (41), the screw rod (32) is in threaded connection with the nut (33), the lifting motor (31) drives the screw rod (32) to rotate, and the nut (33) drives the mounting disc (51) to move up and down.