CN215156175U

CN215156175U - End seal tool apron spring buffer gear

Info

Publication number: CN215156175U
Application number: CN202120995470.1U
Authority: CN
Inventors: 王国宇
Original assignee: Zhengzhou Yongyida Machinery Equipment Co ltd
Current assignee: Zhengzhou Yongyida Machinery Equipment Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-14
Anticipated expiration: 2031-05-11

Abstract

The utility model belongs to the technical field of blade holder shock attenuation, specifically disclose an end seal blade holder spring buffer gear, including the knife box and with the matched with power structure of knife box, the knife box includes a pair of parallel knife box curb plate, the knife box curb plate top is connected through the knife box roof, the bottom is connected through the knife box bottom plate, be equipped with the seal blade holder in the knife box, the seal blade holder includes upper blade holder structure and the lower blade holder structure that matches with upper blade holder structure, upper blade holder structure is connected with the blade holder spring structure that sets up on the knife box curb plate; the tool apron spring structure comprises a pair of tool apron spring groups which are respectively arranged on the outer side surfaces of the side plates of the tool box on two sides, wherein any tool apron spring group comprises an upper pressurizing eccentric wheel, the upper pressurizing eccentric wheels are connected through an upper power shaft arranged on the side plates of the tool box, and the upper pressurizing eccentric wheel is connected with a buffering connecting piece through an eccentric wheel connecting piece.

Description

End seal tool apron spring buffer gear

Technical Field

The utility model belongs to the technical field of the blade holder shock attenuation, concretely relates to end seal blade holder spring buffer.

Background

When the packaging machine is used, the sealing cutter seat needs to be buffered by using a spring, so that the vibration generated in the use process of the sealing cutter seat is reduced, but the buffer spring of the existing packaging machine is fixed between the cutter seat and the cutter beam; however, seal the blade holder and seal and set up buffer spring between the sword roof beam for the inertia of sealing the blade holder itself is less, seals the blade holder pressure and is provided by the elastic force of spring, leads to sealing blade holder service pressure unstable, seals the blade holder and appears rocking, slope scheduling problem easily, seals the effect uneven, seriously influences packagine machine packing effect.

Current packagine machine is using the spring to cushion the blade holder when sealing, seals the blade holder buffering and needs the sliding shaft, and what all sliding shafts mostly adopted on the market is copper sheathing sliding shaft and oilless bush, and uses above-mentioned copper sheathing sliding shaft and oilless bush, seals the precision end that the blade holder appears easily, and the resistance is big, and the noise is big, blocks defects such as dead easily, influences the end seal quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems caused by the use of the end sealing cutter holder, the spring buffer mechanism of the end sealing cutter holder is provided, which can increase the stability of the sealing cutter holder, runs smoothly, has low noise and low resistance.

Based on the above-mentioned purpose, the utility model discloses a following technical scheme realizes:

an end seal cutter holder spring buffer mechanism comprises a cutter box and a power structure matched with the cutter box, wherein the cutter box comprises a pair of parallel cutter box side plates, a seal cutter holder is arranged in the cutter box, the seal cutter holder comprises an upper cutter holder structure and a lower cutter holder structure matched with the upper cutter holder structure, and the upper cutter holder structure is connected with a cutter holder spring structure arranged on the cutter box side plates; the tool apron spring structure comprises a pair of tool apron spring groups which are respectively arranged on the outer side surfaces of the side plates of the tool box on two sides, wherein any tool apron spring group comprises an upper pressurizing eccentric wheel, the upper pressurizing eccentric wheels are connected through an upper power shaft arranged on the side plates of the tool box, and the upper pressurizing eccentric wheel is connected with a buffering connecting piece through an eccentric wheel connecting piece.

Preferably, the upper tool apron structure comprises an upper tool apron, the upper tool apron is connected with an upper tool beam arranged on the tool box side plate, and the upper tool beam is connected with the buffering connecting piece through an upper tool beam shaft connecting piece.

Preferably, the eccentric wheel connecting piece comprises an upper eccentric shaft arranged on the upper pressurizing eccentric wheel, an upper eccentric bearing is arranged on the upper eccentric shaft, and a buffer frame is arranged on the upper eccentric bearing; one side of the eccentric wheel connecting piece is provided with a movable connecting piece connected with the upper knife beam shaft connecting piece, one end of the movable connecting piece is provided with a strip-shaped movable hole, and the strip-shaped movable hole is matched with a buffer bolt arranged on the buffer frame.

Preferably, the buffer connecting piece comprises a buffer shaft connected with the buffer frame, and a buffer spring is arranged at the bottom end of the buffer shaft; the buffer shaft is sleeved with a linear bearing matched with the buffer shaft.

Preferably, the lower tool apron structure comprises a lower tool apron, the lower tool apron is connected with a lower tool beam arranged on a side plate of the tool box, lower tool beam shaft connecting pieces are arranged at two ends of the lower tool beam and are connected with a lower power shaft arranged on the side plate of the tool box through eccentric connecting rods, lower pressurizing eccentric wheels are arranged at two ends of the lower power shaft, lower eccentric shafts are arranged on the lower pressurizing eccentric wheels, and lower eccentric bearings matched with the eccentric connecting rods are arranged on the lower eccentric shafts.

Preferably, an upper movable hole in clearance fit with the end part of the upper tool beam and a lower movable hole in clearance fit with the end part of the lower tool beam are arranged on any one side plate of the tool box.

Preferably, the power structure comprises a power motor, the power motor is connected with a lower belt wheel arranged on a lower power shaft through a synchronous belt I, a lower driving wheel is arranged on the lower power shaft, and the lower driving wheel is connected with an upper belt wheel arranged on an upper power shaft through a synchronous belt II.

Preferably, the lower power shaft is also connected with the upper power shaft through a synchronous belt III; the synchronous belt I is in clearance fit with the bottom plate of the knife box, and the synchronous belt II is in clearance fit with the upper knife beam and the lower knife beam.

Preferably, an upper linear slide rail matched with the end part of the upper knife beam and a lower linear slide rail matched with the end part of the lower knife beam are arranged on the inner side surface of any knife box side plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the utility model discloses a redesign blade holder spring structure can obviously promote the blade holder result of use of sealing, promotes the blade holder precision of sealing, reduces the service resistance, reduces the noise of use by a wide margin; the pair of tool apron spring groups are respectively connected with two ends of the upper tool apron structure, so that the upper tool apron structure drives the pair of tool apron spring groups to move through the upper pressurizing eccentric wheel on the upper power shaft during movement, the noise generated when the upper tool apron structure is in contact with the lower tool apron structure can be effectively reduced during movement, and the use precision of the sealing tool apron is improved; the buffering effect of the upper tool apron structure can be greatly improved through the buffering of the buffering connecting piece; the eccentric wheel connecting piece enables the buffer frame to keep moving in the same direction when in use by arranging the upper eccentric shaft with the upper eccentric bearing; the buffering frame is connected with the buffering spring through the buffering axle, elastic force through the buffering spring provides the cushioning effect for the buffering frame, make the buffering connecting piece possess the buffering effect, and the linear bearing who is connected with the buffering spring can in time adjust the buffering frame, make the blade holder can realize real-time buffering action when moving, and in time resume under linear bearing's help, the noise that produces when can effectively reduce blade holder and lower blade holder contact, the use precision of sealing the blade holder has been promoted.

(2) The arrangement of the eccentric connecting rod enables the lower cutter beam and the lower cutter holder to form hard connection, so that the lower cutter holder can conveniently reciprocate repeatedly along with the lower cutter beam, and motion deviation is prevented; the lower pressurizing eccentric wheel drives the eccentric connecting rod to move through the lower eccentric shaft, and the eccentric connecting rod always reciprocates on a straight line when moving along with the lower eccentric shaft by designing the lower eccentric bearing; go up the movable hole, make things convenient for upper slitter beam tip, lower slitter beam tip motion respectively down the movable hole for the two can carry out the action of repeatedly sealing along with power motor's motion, realizes the demand that seals continuously.

(3) The lower power shaft is driven to move by the power motor through the synchronous belt I, the upper power shaft synchronously moves along with the lower power shaft through the synchronous belt II, and the synchronous movement of the upper tool apron and the lower tool apron is realized, so that the aim of repeatedly packaging and sealing the upper tool apron and the lower tool apron is fulfilled; the synchronous belts I and II are prevented from interfering with the bottom plate of the knife box, the upper knife beam and the lower knife beam when moving; the upper linear slide rail and the lower linear slide rail are arranged, so that the upper knife beam and the lower knife beam can be guided, the interference between the upper knife beam and the lower knife beam and the knife box side plate can be prevented when the upper knife beam and the lower knife beam move, the resistance and the noise when the upper knife beam and the lower knife beam move are reduced, and the upper knife beam and the lower knife beam can conveniently perform reciprocating motion.

To sum up, the utility model discloses a blade holder spring group of a pair of tool box curb plate lateral surface carries out the shock attenuation buffering to upper blade holder structure, through separating blade holder spring group with upper blade holder, upper knife roof beam, makes upper blade holder and upper knife roof beam become an organic whole, makes blade holder spring group promote the inertia of motion of upper blade holder when buffering; the tool apron spring groups are respectively fixed at two ends of the upper power shaft, so that the upper power shaft can bring stable power to the upper tool apron structure through the tool apron spring groups, the upper tool apron structure can be continuously and stably contacted with the lower tool apron structure, the upper tool apron and the lower tool apron can be stably and repeatedly contacted, and the sealing effect is effectively improved; the linear bearing replaces a copper sleeve, so that the operation is smooth, the noise is low, and the resistance is low; the pressurizing spring is arranged on the knife beam and the pressurizing shaft, so that the weight of the knife beam is increased compared with the weight of the pressurizing spring which is originally arranged between the knife beam and the knife holder, and the pressurizing spring has higher pressure and is more stable; the linear bearing is arranged outside the high-precision slide rail, and the precision is higher and the matching is better than the original copper sleeve arranged between the knife beam and the knife holder.

Drawings

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

fig. 2 is a schematic structural view of the present invention in embodiment 1;

fig. 3 is a schematic cross-sectional view of the present invention in example 1.

In the figure, 1, a knife box side plate, 2, an upper pressurizing eccentric wheel, 3, an upper knife beam, 4, a lower knife beam, 5, an upper knife seat, 6, a lower knife seat, 7, a linear bearing, 8, a buffer spring, 9, an eccentric wheel connecting piece, 10, an upper knife beam shaft connecting piece, 11, a buffer shaft, 12, an upper linear slide rail, 13, a lower pressurizing eccentric wheel, 14, a power motor, 15, a synchronous belt I, 16, a lower belt wheel, 17, a lower power shaft, 18, a lower driving wheel, 19, a synchronous belt II, 20, an upper power shaft, 21, an upper belt wheel, 22, a synchronous belt III, 23, a lower knife beam shaft connecting piece, 24, an eccentric connecting rod, 25, a lower eccentric shaft, 26 and a lower linear slide rail.

Detailed Description

The present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the invention.

Example 1

An end seal cutter holder spring buffer mechanism is structurally shown in figures 1-3 and comprises a cutter box and a power structure matched with the cutter box, wherein the cutter box comprises a pair of parallel cutter box side plates 1, a seal cutter holder is arranged in the cutter box and comprises an upper cutter holder structure and a lower cutter holder structure matched with the upper cutter holder structure, and the upper cutter holder structure is connected with a cutter holder spring structure arranged on the cutter box side plates 1; the tool apron spring structure comprises a pair of tool apron spring groups which are respectively arranged on the outer side surfaces of the tool box side plates 1 on the two sides, wherein any tool apron spring group comprises an upper pressurizing eccentric wheel 2, the upper pressurizing eccentric wheels 2 are connected through an upper power shaft 20 arranged on the tool box side plates 1, and the upper pressurizing eccentric wheel 2 is connected with a buffering connecting piece through an eccentric wheel connecting piece 9.

The upper knife holder structure comprises an upper knife holder 5, the upper knife holder 5 is connected with an upper knife beam 3 arranged on the knife box side plate 1, and the upper knife beam 3 is connected with the buffering connecting piece through an upper knife beam shaft connecting piece 10. The eccentric wheel connecting piece 9 comprises an upper eccentric shaft arranged on the upper pressurizing eccentric wheel 2, an upper eccentric bearing is arranged on the upper eccentric shaft, and a buffer frame is arranged on the upper eccentric bearing; one side of the eccentric wheel connecting piece 9 is provided with a movable connecting piece connected with the upper knife beam shaft connecting piece 10, one end of the movable connecting piece is provided with a strip-shaped movable hole, and the strip-shaped movable hole is matched with a buffer bolt arranged on the buffer frame. The buffer connecting piece comprises a buffer shaft 11 connected with the buffer frame, and a buffer spring 8 is arranged at the bottom end of the buffer shaft 11; the buffer shaft 11 is sleeved with a linear bearing 7 matched with the buffer shaft 11.

The lower tool rest structure comprises a lower tool rest 6, the lower tool rest 6 is connected with a lower tool beam 4 arranged on a tool box side plate 1, lower tool beam shaft connecting pieces 23 are arranged at two ends of the lower tool beam 4, the lower tool beam shaft connecting pieces 23 are connected with a lower power shaft 17 arranged on the tool box side plate 1 through eccentric connecting rods 24, lower pressurizing eccentric wheels 13 are arranged at two ends of the lower power shaft 17, lower eccentric shafts 25 are arranged on the lower pressurizing eccentric wheels 13, and lower eccentric bearings matched with the eccentric connecting rods 24 are arranged on the lower eccentric shafts 25. An upper movable hole in clearance fit with the end part of the upper knife beam 3 and a lower movable hole in clearance fit with the end part of the lower knife beam 4 are arranged on any knife box side plate 1.

The power structure comprises a power motor 14, the power motor 14 is connected with a lower belt wheel 16 arranged on a lower power shaft 17 through a synchronous belt I15, a lower driving wheel 18 is arranged on the lower power shaft 17, and the lower driving wheel 18 is connected with an upper belt wheel 21 arranged on an upper power shaft 20 through a synchronous belt II 19. The lower power shaft 17 is also connected with an upper power shaft 20 through a synchronous belt III 22; the synchronous belt I15 is in clearance fit with the bottom plate of the knife box, and the synchronous belt II 19 is in clearance fit with the upper knife beam 3 and the lower knife beam 4. An upper linear slide rail 12 matched with the end part of the upper knife beam 3 and a lower linear slide rail 26 matched with the end part of the lower knife beam 4 are arranged on the inner side surface of any knife box side plate 1.

When the synchronous belt type power transmission device is used, the power motor 14 drives the lower belt pulley 16 to rotate through the synchronous belt I15, the lower transmission wheel 18 on the lower power shaft 17 rotates along with the lower belt pulley 16, the lower transmission wheel 18 drives the upper belt pulley 21 to rotate through the synchronous belt II 19, the upper power shaft 20 rotates along with the upper belt pulley 21, and meanwhile, the synchronous belt III 22 can ensure that the upper power shaft 20 and the lower power shaft 17 synchronously and stably move; following the rotation of the lower power shaft 17. The lower pressurizing eccentric wheels 13 at two ends of the lower power shaft 17 synchronously rotate along with the lower power shaft 17, the lower eccentric bearings on the lower eccentric shafts 25 drive the eccentric connecting rods 24 to reciprocate up and down, the eccentric connecting rods 24 drive the lower knife beam 4 to reciprocate in the lower movable hole on the side plate 1 of the knife box through the lower knife beam shaft connecting piece 23, and the lower knife seat 6 reciprocates in the knife box along with the lower knife beam 4 along the lower linear slide rail 26.

The upper power shaft 20 rotates synchronously with the lower power shaft 17, the upper pressurizing eccentric wheels 2 at two ends of the upper power shaft 20 rotate synchronously with the upper power shaft 20, the eccentric wheel connecting piece 9 realizes eccentric motion along with the rotation of the upper pressurizing eccentric wheel 2, the buffer connecting piece performs up-and-down reciprocating motion along with the eccentric wheel connecting piece 9, so that the upper knife beam 3 is driven to perform up-and-down reciprocating motion in an upper movable hole on the knife box side plate 1, and the upper knife seat 5 performs reciprocating motion along with the upper knife beam 3 along the upper linear slide rail 12 and repeatedly approaches to and leaves away from the lower knife beam 4 performing reciprocating motion; because the upper eccentric shaft is provided with the upper eccentric bearing, the eccentric wheel connecting piece 9 can move up and down in the vertical direction all the time, the buffer frame is connected with the upper eccentric bearing and the buffer shaft 11, when the eccentric wheel connecting piece 9 drives the buffer connecting piece to move down along with the upper pressurizing eccentric wheel 2, the buffer frame drives the buffer shaft 11 to pull the buffer spring 8 to contract, the linear bearing 7 facilitates the buffer shaft 11 to smoothly move in the linear bearing 7, and uniform buffer pressure is applied to the upper knife beam shaft connecting piece 10.

Go up pressurization eccentric wheel 2 and power shaft connection, eccentric wheel connecting piece 9 is connected with last pressurization eccentric wheel 2 through the bearing, linear bearing 7 is connected with eccentric wheel connecting piece 9, buffer spring 8 adds between linear bearing 7 and last sword roof beam axle connecting piece 10, link together through buffer shaft 11, go up sword roof beam axle connecting piece 10 and last sword roof beam 3 and link together through the bearing, go up sword roof beam 3 and last blade holder 5 rigid coupling together, go up sword roof beam 3 and lower sword roof beam 4 and carry out the precision fit through linear slide rail 12 on the high accuracy, thereby make and go up blade holder 5 and lower blade holder 6 precision toothing.

The upper power shaft 20 and the lower power shaft 17 run synchronously through a synchronous belt II 19 and a synchronous belt III 22 to transmit power to the upper pressurizing eccentric wheel 2, the lower knife beam 4 directly transmits the force of the upper pressurizing eccentric wheel 2 through an eccentric connecting rod 24 to enable the lower knife base 6 to move, the prior general technology is that an upper knife base 5 is fixedly connected with an upper knife beam 3, the upper pressurizing eccentric wheel 2 transmits the power of the upper power shaft 20 to a linear bearing 7 through an eccentric wheel connecting piece 9, the linear bearing 7 transmits the power to a knife beam connecting shaft 10 through a buffer spring 8 to be transmitted to the upper knife beam 3, the upper knife beam 3 transmits the pressure to the upper knife base 5, the upper knife base 5 can stretch up and down due to the existence of the buffer spring 8, so that the pressure is uniformly buffered, the high-precision upper linear slide rail 12 ensures the motion precision of the upper knife beam 3 and the lower knife beam 4, so that the upper knife base 5 and the lower knife base 6 can be precisely meshed, the clearance problem is entirely left on the linear bearing 7 and the buffer shaft 11.

Example 2

The end seal tool apron spring buffer mechanism is different from that of the embodiment 1 in that: an upper auxiliary tension spring matched with the end part of the upper knife beam 3 is arranged in the upper movable hole.

Example 3

The end seal tool apron spring buffer mechanism is different from that of the embodiment 1 in that: a lower auxiliary tension spring matched with the end part of the lower tool beam 4 is arranged in the lower movable hole.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but rather as the following description is intended to cover all modifications, equivalents and improvements falling within the spirit and scope of the present invention.

Claims

1. An end seal cutter holder spring buffer mechanism comprises a cutter box and a power structure matched with the cutter box, wherein the cutter box comprises a pair of parallel cutter box side plates; the knife rest spring structure comprises a pair of knife rest spring groups which are respectively arranged on the outer side surfaces of the knife box side plates on the two sides, each knife rest spring group comprises an upper pressurizing eccentric wheel, the upper pressurizing eccentric wheels are connected through an upper power shaft arranged on the knife box side plates, and the upper pressurizing eccentric wheels are connected with a buffering connecting piece through eccentric wheel connecting pieces.

2. The end seal tool holder spring buffer mechanism of claim 1 wherein the upper tool holder structure comprises an upper tool holder connected to an upper tool beam disposed on the side plate of the tool box, the upper tool beam connected to the buffer link by an upper tool beam shaft link.

3. The end seal tool apron spring buffer mechanism as claimed in claim 2, wherein the eccentric wheel connecting piece comprises an upper eccentric shaft disposed on the upper pressing eccentric wheel, the upper eccentric shaft is provided with an upper eccentric bearing, and the upper eccentric bearing is provided with a buffer frame; one side of the eccentric wheel connecting piece is provided with a movable connecting piece connected with the upper knife beam shaft connecting piece, one end of the movable connecting piece is provided with a strip-shaped movable hole, and the strip-shaped movable hole is matched with a buffer bolt arranged on the buffer frame.

4. The end seal tool apron spring buffer mechanism as claimed in claim 3, wherein the buffer connecting piece comprises a buffer shaft connected with the buffer frame, and a buffer spring is arranged at the bottom end of the buffer shaft; the buffer shaft is sleeved with a linear bearing matched with the buffer shaft.

5. The spring buffering mechanism for end sealing cutter holder according to claim 4, wherein the lower cutter holder structure comprises a lower cutter holder connected to a lower cutter beam disposed on a side plate of the cutter box, the lower cutter beam having lower cutter beam shaft connectors at both ends thereof, the lower cutter beam shaft connectors being connected to a lower power shaft disposed on the side plate of the cutter box via an eccentric link, the lower power shaft having lower pressing eccentric wheels at both ends thereof, the lower pressing eccentric wheels having lower eccentric shafts thereon, the lower eccentric shafts having lower eccentric bearings thereon cooperating with the eccentric link.

6. The end seal tool apron spring buffer mechanism according to claim 5, wherein any one of the tool box side plates is provided with an upper movable hole which is in clearance fit with the end of the upper tool beam and a lower movable hole which is in clearance fit with the end of the lower tool beam.

7. The end seal holder spring buffer mechanism of claim 6, wherein the power structure comprises a power motor connected to a lower pulley disposed on the lower power shaft via a timing belt i, the lower power shaft having a lower transmission wheel connected to an upper pulley disposed on the upper power shaft via a timing belt ii.

8. The end seal tool apron spring buffer mechanism as claimed in claim 7, wherein the lower power shaft is further connected with the upper power shaft through a synchronous belt III; the synchronous belt I is in clearance fit with the bottom plate of the knife box, and the synchronous belt II is in clearance fit with the upper knife beam and the lower knife beam.

9. The end seal tool apron spring buffer mechanism as claimed in claim 8, wherein an upper linear slide rail matched with the end of the upper tool beam and a lower linear slide rail matched with the end of the lower tool beam are arranged on the inner side surface of any one of the tool box side plates.