CN212101039U

CN212101039U - Sealed plate type feeding machine stable in transmission

Info

Publication number: CN212101039U
Application number: CN202020661231.8U
Authority: CN
Inventors: 狄顺飞; 莫建飞; 莫建波
Original assignee: Liyang Deyou Chongke Machinery Equipment Co ltd
Current assignee: Liyang Deyou Chongke Machinery Equipment Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-08
Anticipated expiration: 2030-04-26

Abstract

The utility model belongs to the technical field of board-like feeding machine, a sealed board-like feeding machine that transmission is stable is related to, helps solving the not high problem of current board-like feeding machine transmission stability. The automatic conveying device comprises a machine shell, wherein a machine frame, trough plates, a driving part and a driven part are included in the machine frame, the driving part and the driven part are rotatably connected with the machine frame, a plurality of trough plates are mutually overlapped to form an annular conveying chain plate, the driving part and the driven part are respectively positioned at two ends of the conveying chain plate, the driving part drives the conveying chain plate to transmit, fixing parts are respectively fixed at two ends of each trough plate in the length direction, one side, far away from the trough plates, of each fixing part is rotatably connected with a travelling wheel, a supporting beam for the travelling wheel to travel is arranged on the machine frame, the supporting beam extends in the conveying direction of the conveying. The utility model discloses can lift the conveying link joint through the travelling wheel and walk on a supporting beam, reduce jolting or the shake of conveying link joint transmission in-process to the transmission stability of conveying link joint has been improved.

Description

Sealed plate type feeding machine stable in transmission

Technical Field

The utility model belongs to the technical field of the technique of board-like feeding machine and specifically relates to a sealed board-like feeding machine that transmission is stable is related to.

Background

The sealing plate type feeder is one of continuous material conveying machines, and has unique advantages in the aspects of conveying toxic, explosive, high-temperature and easily flying materials, improving the operating conditions of workers, reducing environmental pollution and the like. The feeding device is suitable for loose, massive and large-amount feeding processes in production lines of large and medium-sized cement plants, can convey massive materials, is particularly suitable for conveying massive, high-temperature and sharp materials, and can reliably operate in severe environments such as high temperature, high humidity, open air and the like. As disclosed in chinese patent No. CN204396142U, a sealed plate feeder for a vertical mill system, the sealed plate feeder is mainly composed of a plate feeder main body of a chain plate type and a sealed housing enclosing the entire plate feeder main body.

Chinese patent No. CN201494885U discloses a chain-plate feeder, which comprises a frame, a driving roller, a driven roller, a conveying chain and a tensioning device; the driving roller is driven by a power device, and a driving chain wheel is arranged on the driving roller; a driven chain wheel is arranged on the driven roller; the conveying chain ring is wound between the driving chain wheel and the driven chain wheel, the chain link of the conveying chain is fixed with a slotted plate, two adjacent slotted plates are lapped, and the lapping surface of the slotted plate is an arc surface; the tensioning device is installed between the rack and the driven roller and further comprises an upper carrier roller and a lower carrier roller which are rotatably connected to the rack, and the upper carrier roller and the lower carrier roller can reduce the friction resistance when the conveying chain is conveyed, so that the operation energy consumption of the plate type feeding machine in the technical scheme is reduced.

Above-mentioned plate feeder of current orders about the conveying chain through drive roll and driven voller and conveys, and then the conveying chain drives rather than the fixed frid transmission to can play the transport effect to the material of placing on the frid. However, in the above prior art, the upper idler is connected to the frame below the trough plate, and when the trough plate is conveyed through the upper idler, the two trough plates are bumpy due to the arrangement of the arc surfaces overlapped by the two trough plates, so that the trough plate inevitably jolts or shakes along with the overlapping radian of the trough plates when conveyed through the upper idler, and the transmission stability of the existing plate feeder is easily reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealed plate feeding machine that transmission is stable, it can reach higher transmission stability at the transported substance in-process not enough to prior art exists.

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

the utility model provides a stable sealed plate feeding machine of transmission, includes the casing, including frame, frid, drive piece and follower in the casing, the drive piece with the follower with the frame rotates to be connected, and is a plurality of frid overlap joint each other forms annular conveying link joint, the drive piece with the follower is located respectively conveying link joint annular both ends, the drive piece orders about conveying link joint transmission, every the frid length direction's both ends are fixed with the mounting respectively, the mounting is kept away from one side of frid is rotated and is connected with the walking wheel, be equipped with the confession in the frame a supporting beam of walking wheel walking, a supporting beam follows conveying link joint's direction of transfer extends, just a supporting beam with the frame is fixed.

Through adopting above-mentioned technical scheme, drive piece and follower play tensioning and drive effect to conveying link joint for the conveying link joint is kept away from the one side of drive piece and can is conveyed the material. The travelling wheels positioned at the two ends of the groove plate can support the groove plate on one hand, and reduce the friction resistance when the groove plate is driven; on the other hand, in this scheme, when the conveying link joint conveys forward, the travelling wheel can be followed a supporting beam and is walked over on a supporting beam along an upper end of a supporting beam, for prior art, the travelling wheel in this scheme can lift the frid and walk on a supporting beam for it jolts or the shake to be difficult to take place because of the unevenness of frid to be difficult to in the driving plate chain drive process, thereby is favorable to the material to convey forward more steadily on the driving plate chain.

The present invention may be further configured in a preferred embodiment as: the travelling wheel comprises an installation shaft and a wheel body which is coaxially and rotatably connected to one end of the installation shaft in the length direction, and one end, far away from the wheel body, of the installation shaft is fixed with the fixing piece.

Through adopting above-mentioned technical scheme, the installation axle can also make relative rotation between wheel body and the frid when the travelling wheel of being convenient for realizes the installation with the frid to make the travelling wheel can realize its effect of being connected with the frid rotation.

The present invention may be further configured in a preferred embodiment as: the mounting includes mounting panel and fastening bolt, the mounting panel with the frid is fixed, just the mounting panel is located the annular the inboard of conveying link joint, the installation axle is kept away from the one end of wheel body penetrates in the mounting panel, mounting panel and installation axle pass through fastening bolt is fixed.

Through adopting above-mentioned technical scheme, the mounting panel has increased the area of contact of installation axle and frid, is favorable to improving the installation stability between travelling wheel and the frid, and simultaneously, the setting of mounting panel can also play the effect that improves travelling wheel intensity and bearing capacity, easily prolongs the life of travelling wheel.

The present invention may be further configured in a preferred embodiment as: the fixing piece comprises an elastic telescopic piece and an installation block, the elastic telescopic piece is fixed at one end of the installation shaft, which is far away from the wheel body, and the elastic telescopic piece is telescopic along the radial direction of the installation shaft; the mounting block is fixed with the groove plate and located on the inner side of the annular conveying chain plate, an insertion groove for the elastic expansion piece to be inserted is formed in one side, close to the supporting beam, of the mounting block, a pressing hole communicated with the insertion groove is formed in the mounting block, and the pressing hole is extended along the radial direction of the mounting shaft.

Through adopting above-mentioned technical scheme, when elastic expansion piece pegged graft and goes into the inserting groove in, the travelling wheel can be realized being connected with the frid, when the user pressed elastic expansion piece through pressing down the hole, easily made elastic expansion piece and inserting groove break away from the connection to can dismantle the travelling wheel from the frid fast, under the circumstances that the travelling wheel warp or damage, the workman quick replacement travelling wheel of being convenient for.

The present invention may be further configured in a preferred embodiment as: the elastic expansion piece comprises a mounting seat, a pressing block and a compression spring, the mounting seat is fixed with the mounting shaft, one end of the pressing block, which is far away from the mounting shaft, is hinged to one end of the mounting seat, which is far away from the mounting shaft, the pressing block is close to one end of the mounting shaft and is connected with the mounting seat through the compression spring, and when the elastic expansion piece is inserted into the insertion groove, the compression spring is in a compression state.

By adopting the technical scheme, when the pressing block is pressed towards the mounting seat, the compression spring is easy to compress through the compression of the compression spring to enable the pressing block to be close to the mounting seat to be compressed, so that the elastic expansion piece is easy to insert into the insertion groove; when the elastic expansion piece enters the insertion groove, the pressure is stopped being applied to the pressing block, and the elastic expansion piece can be clamped in the insertion groove through the resetting of the compression spring so as to keep the connection stability of the travelling wheel and the groove plate.

The present invention may be further configured in a preferred embodiment as: the mount pad is kept away from the one side of pressing the briquetting is equipped with the stopper, the stopper is followed the axial extension of installation axle, the cell wall of inserting groove seted up with stopper grafting complex spacing groove.

By adopting the technical scheme, the insertion or separation of the elastic expansion piece and the insertion groove can be guided by the matching of the limiting block and the limiting groove, and the elastic expansion piece and the insertion groove are easy to disassemble and assemble; on the other hand, through the grafting cooperation of stopper and spacing groove for elastic expansion piece is difficult to take place to rock in the inserting groove, further improves the connection stability between elastic expansion piece and the installation piece, and then improves the installation stability of travelling wheel.

The present invention may be further configured in a preferred embodiment as: the supporting beam comprises a flexible part and a rigid part, and the flexible part wraps the rigid part and is close to one end of the travelling wheel.

Through adopting above-mentioned technical scheme, rigid portion can play good supporting role to the travelling wheel, and flexible portion can play the damping effect to the travelling wheel of the in-process of traveling, is favorable to reducing noise and the wearing and tearing of travelling wheel travel in-process.

The present invention may be further configured in a preferred embodiment as: the two ends of the supporting beam in the length direction are bent towards the inner side of the annular conveying chain plate in an arc shape.

Through adopting above-mentioned technical scheme, when annular conveying link joint when its both ends switching-over, the supporting beam that is the arc bending can play the supporting role to the frid at the tip of conveying link joint for the conveying link joint can commutate more steadily, thereby the travelling wheel loses supporting beam's support suddenly and causes the condition of frid shake to take place when being difficult to appear commutating.

The present invention may be further configured in a preferred embodiment as: the driving part comprises a driving roller, a driving motor and a driving gear, the two ends of the driving roller in the length direction are rotatably connected with the rack, the driving motor is fixed to the rack, the output shaft of the driving motor is coaxially fixed to the driving roller, the driving gear is coaxially fixed to the two ends of the driving roller in the length direction, an annular transmission chain is fixed to the inner side of the conveying chain plate, and the transmission chain is meshed with the driving gear.

Through adopting above-mentioned technical scheme, through the meshing of driving gear and drive chain, easily the driving part realizes the effect of stable transmission to transmission link joint.

The present invention may be further configured in a preferred embodiment as: the inner side of the conveying chain plate is provided with a supporting roller for supporting the groove plate, the supporting roller is rotatably connected with the rack, the supporting roller is parallel to the driving roller, and the peripheral surface of the supporting roller is abutted against the convex surface of the driving roller, which is close to the groove plate.

By adopting the technical scheme, the supporting roller can support the groove plate while being beneficial to forward transmission of the transmission chain, bears partial gravity of a heavy object on the groove plate, shares the load of the travelling wheel and is beneficial to prolonging the service life of the travelling wheel.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the fixing piece, the travelling wheels and the supporting beams, the transmission chain plate can travel along the supporting beams under the lifting of the travelling wheels in the forward transmission process of the transmission chain plate, so that the possibility of shaking in the transmission process of the transmission chain plate is reduced, and the materials can be smoothly and forwards transmitted on the transmission chain plate;

2. through the arrangement of the flexible part and the rigid part, the travelling wheel can be well supported, and meanwhile, the effects of reducing noise and abrasion in the travelling wheel running process can be achieved;

3. the two ends of the supporting beam in the length direction are in the shape of a bent arc, so that the smoothness of the conveying chain plate during reversing is easily increased, and the transmission stability of the conveying chain plate is further improved.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic view of the internal structure of the casing of embodiment 1.

FIG. 3 is a schematic view showing the connection between the running wheels and the grooved plates in embodiment 1.

Fig. 4 is another schematic view of the internal structure of the housing in embodiment 1, which is mainly used for embodying the connection relationship of the groove plate and the supporting roller.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

FIG. 6 is a schematic view showing the connection between the running wheels and the grooved plates in embodiment 2.

Fig. 7 is an exploded view for embodying the connection relationship of the fixed member and the traveling wheel in embodiment 2.

In the figure, 1, a frame; 11. a support beam; 111. a flexible portion; 112. a rigid portion; 2. conveying chain plates; 21. a groove plate; 3. a connecting plate; 4. a drive chain; 5. a driving member; 51. a drive roll; 52. a drive motor; 53. a driving gear; 6. a driven member; 61. a driven roller; 62. a driven gear; 7. a traveling wheel; 71. installing a shaft; 72. a wheel body; 8. a fixing member; 81. mounting a plate; 82. fastening a bolt; 83. mounting blocks; 831. inserting grooves; 8311. a limiting groove; 832. pressing the hole; 84. an elastic extensible member; 841. a mounting seat; 8411. a limiting block; 842. a pressing block; 843. a compression spring; 9. a support roller; 10. a casing.

Detailed Description

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

Example 1:

referring to fig. 1 and 2, the sealed plate feeder with stable transmission disclosed in this embodiment includes a casing 10, a frame 1 and a conveying chain plate 2 as a main transmission structure of the sealed plate feeder are included in the casing 10, the conveying chain plate 2 is formed by overlapping a plurality of slot plates 21 in an arc shape from head to tail, and the conveying chain plate 2 is in a closed ring shape. The top end of the casing 10 is provided with a feed inlet 101 for feeding materials to the conveying chain plate 2.

Referring to fig. 2, a driving part 5 is disposed at one end of the rack 1 in the length direction, the driving part 5 includes a driving roller 51, a driving motor 52 and a driving gear 53, the driving roller 51 is extended along the width direction of the rack 1, two ends of the driving roller 51 in the length direction are rotatably connected to the rack 1, the driving motor 52 is coaxially fixed to one end of the driving roller 51 in the length direction, and the driving gear 53 is coaxially fixed to two ends of the driving roller 51 in the length direction respectively.

Referring to fig. 2, a driven member 6 is disposed at the other end of the frame 1 in the length direction, the driven member 6 includes a driven roller 61 having both ends rotatably connected to the frame 1, and the driven roller 61 is disposed parallel to and coplanar with the driving roller 51. Driven gears 62 are coaxially fixed to both ends of the driven roller 61 in the longitudinal direction. Two ends of the slotted plate 21 in the length direction are respectively fixed with a transmission chain 4 through an L-shaped connecting plate 3, the transmission chain 4 is positioned at the inner side of the annular conveying chain plate 2, and the transmission chain 4 is annular. The driving roller 51 and the driven roller 61 are arranged at two ends of the annular conveying chain plate 2 in a penetrating way, and play a role in tensioning and supporting the conveying chain plate 2, and the driving gear 53 and the driven gear 62 are meshed with the transmission chain 4. When the driving motor 52 rotates, the driving roller 51 is driven to rotate, so that the transfer chain is smoothly transferred forward by the engagement of the driving gear 53 and the driven gear 62 with the transmission chain 4.

Referring to fig. 3, two ends of each slot plate 21 in the length direction are respectively connected with a traveling wheel 7 through a fixing member 8, and the traveling wheels 7 are located on one side of the transmission chain 4 far away from the connecting plate 3. The traveling wheel 7 includes a mounting shaft 71 and a wheel body 72, and the wheel body 72 is coaxially rotatably connected to one end of the mounting shaft 71 in the longitudinal direction. The fixing member 8 includes an installation plate 81 and a fastening bolt 82, the installation plate 81 is welded on a surface of the groove plate 21 close to the driving roller 51, one end of the installation shaft 71 far from the wheel body 72 penetrates into the installation plate 81 along the length direction of the groove plate 21, and the fastening bolt 82 penetrates through the installation plate 81 and the installation shaft 71 along the radial direction of the installation shaft 71 to fix the installation plate 81 and the installation shaft 71, so as to realize the installation of the traveling wheel 7 and the groove plate 21.

Referring to fig. 4, the frame 1 is provided with support beams 11 for supporting the traveling wheels 7 at both sides of the groove plate 21, and the support beams 11 extend along the conveying path of the conveying link plate 2. The support beams 11 in this embodiment are provided in two layers symmetrically arranged in the height direction of the frame 1.

Referring to fig. 5, the supporting beam 11 includes a flexible portion 111 and a rigid portion 112, the flexible portion 111 is adhered to and wrapped around one end of the rigid portion 112 close to the traveling wheel 7, and one surface of the flexible portion 111 close to the traveling wheel 7 is a plane, so that the traveling wheel 7 can travel over the supporting beam 11 along a straight line, thereby reducing the jolt or shake of the conveying chain plate 2 during conveying, and improving the conveying stability of the conveying chain plate 2. The rigid portion 112 is fixed to the frame 1, and the support beam 11 is fixed to the frame 1. The both ends of supporting beam 11 length direction are the arc bending towards the inboard of conveying link joint 2 for conveying link joint 2 still can obtain supporting beam 11's support when the switching-over, thereby when conveying link joint 2 switching-over, travelling wheel 7 can slowly break away from travelling wheel 7 according to conveying link joint 2's switching-over radian, when making conveying link joint 2 be the annular walking, goes upward and descending travelling wheel 7 homoenergetic obtains supporting beam 11's lift.

Referring to fig. 4, a support roller 9 parallel to the drive roller 51 is inserted into the endless chain conveyor 2, and both ends of the support roller 9 in the length direction are rotatably connected to the frame 1. The supporting rollers 9 are arranged in parallel, and two ends of the supporting rollers 9 in the length direction are positioned on one side, close to the connecting plate 3, of the transmission chain 4. When the conveying chain plate 2 moves, the peripheral surfaces of the supporting rollers 9 are abutted with the convex surfaces of the groove plates 21 close to the driving rollers 51, and the groove plates 21 in the transmission process are supported.

The implementation principle of the embodiment is as follows: when the stable-transmission sealing plate type feeder works, materials are placed on one surface, away from the driving part 5, of the conveying chain plate 2, the walking wheels 7 lift the conveying chain plate 2 at two ends of the width direction of the conveying chain plate 2, so that the conveying chain plate 2 runs through the supporting beam 11 with the upper end surface being a plane under the driving part 5 through the walking wheels 7, and the condition of jolting or shaking is not easy to generate in the forward transmission process of the conveying chain plate 2, so that the materials borne by the conveying chain plate 2 can move forward stably. Meanwhile, in the forward transmission process of the conveying chain plate 2, when the convex surface of the groove plate 21 close to the driving roller 51 meets the supporting roller 9, the groove plate can be abutted against the supporting roller 9 and drive the supporting roller 9 to rotate, so that the supporting roller 9 can support the transmission chain 4, and the load of the travelling wheel 7 in the material conveying process is reduced.

Example 2:

referring to fig. 6 and 7, the embodiment is different from embodiment 1 in that the fixing member 8 includes a mounting block 83, the mounting block 83 is welded on one side of the transmission chain 4 far from the connecting plate 3, a plugging groove 831 is formed in one side of the mounting block 83 close to the supporting beam 11, the plugging groove 831 extends along the length direction of the trough plate 21, and the area of the notch of the plugging groove 831 is smaller than the area of the end of the plugging groove 831 close to one end of the notch.

Referring to fig. 7, the fixing member 8 further includes an elastic expansion member 84 located at an end of the mounting shaft 71 away from the wheel body 72, the elastic expansion member 84 includes a mounting seat 841, a pressing block 842 and a compression spring 843, the mounting seat 841 is welded to the mounting shaft 71 along an axial direction of the mounting shaft 71, an end of the pressing block 842 away from the mounting shaft 71 is hinged to an end of the mounting seat 841 away from the mounting shaft 71, and an end of the pressing block 842 close to the mounting shaft 71 is connected to the mounting seat 841 through the compression spring 843.

Referring to fig. 7, a limiting block 8411 is integrally formed on a surface of the mounting seat 841, the surface being away from the mounting seat 841, the limiting block 8411 extends along the axial direction of the mounting shaft 71, and a limiting groove 8311 for the limiting block 8411 to be inserted is formed on a groove wall of the insertion groove 831.

Referring to fig. 7, when the elastic expansion member 84 is inserted into the insertion slot 831, the compression spring 843 is in a compressed state, so that the pressing block 842 is pressed against the notch of the insertion slot 831, thereby realizing the installation of the traveling wheel 7 and the fixing member 8. One end of the mounting block 83 close to the traveling wheel 7 is provided with a pressing hole 832 communicated with the insertion groove 831, and when the elastic expansion piece 84 is inserted into the mounting block 83, a user passes through the pressing hole 832 by means of an external rod capable of extending into the pressing hole 832 to press the pressing block 842, so that the compression spring 843 is contracted, and the traveling wheel 7 can be quickly disconnected from the fixing piece 8. In order to facilitate the user to press the pressing block 842 through the pressing hole 832, the pressing hole 832 in the present embodiment is disposed adjacent to the pressing block 842. Through the insertion fit of the elastic expansion piece 84 and the insertion groove 831, the travelling wheel 7 and the groove plate 21 in the embodiment can be installed in a quick-release manner, and when the travelling wheel 7 deforms to cause unstable operation of the conveying chain plate 2, a user can quickly replace the travelling wheel 7 to maintain the transmission stability of the conveying chain plate 2.

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 stable sealed plate feeding machine of transmission, includes casing (10), be included frame (1), frid (21), drive piece (5) and follower (6) in casing (10), drive piece (5) with follower (6) with frame (1) rotates to be connected, a plurality of frid (21) overlap joint each other and form annular conveying link joint (2), drive piece (5) with follower (6) are located respectively conveying link joint (2) annular both ends, drive piece (5) are ordered about conveying link joint (2) transmission, its characterized in that: every fixing piece (8) are fixed with respectively at frid (21) length direction's both ends, fixing piece (8) are kept away from one side of frid (21) is rotated and is connected with travelling wheel (7), be equipped with the confession on frame (1) supporting beam (11) of travelling wheel (7) walking, supporting beam (11) are followed the direction of transfer of conveying link joint (2) extends, just supporting beam (11) with frame (1) is fixed.

2. The seal plate feeder with stable transmission according to claim 1, wherein: the travelling wheel (7) comprises a mounting shaft (71) and a wheel body (72) which is coaxially and rotationally connected to one end of the mounting shaft (71) in the length direction, and one end, far away from the wheel body (72), of the mounting shaft (71) is fixed to the fixing piece (8).

3. A seal plate feeder of stable transmission as claimed in claim 2, wherein: mounting (8) are including mounting panel (81) and fastening bolt (82), mounting panel (81) with frid (21) are fixed, just mounting panel (81) are located the annular the inboard of conveying link joint (2), the one end of wheel body (72) is kept away from in mounting panel (81), mounting panel (81) and installation axle (71) pass through fastening bolt (82) are fixed.

4. A seal plate feeder of stable transmission as claimed in claim 2, wherein: the fixing piece (8) comprises an elastic telescopic piece (84) and a mounting block (83), the elastic telescopic piece (84) is fixed at one end of the mounting shaft (71) far away from the wheel body (72), and the elastic telescopic piece (84) stretches along the radial direction of the mounting shaft (71);

the mounting block (83) is fixed with the groove plate (21), the mounting block (83) is located on the inner side of the annular conveying chain plate (2), one surface, close to the supporting beam (11), of the mounting block (83) is provided with an insertion groove (831) for the elastic telescopic piece (84) to be inserted, the mounting block (83) is provided with a pressing hole (832) communicated with the insertion groove (831), and the pressing hole (832) is extended along the radial direction of the mounting shaft (71).

5. The seal plate feeder with stable transmission according to claim 4, wherein: elastic expansion piece (84) include mount pad (841), press briquetting (842) and compression spring (843), mount pad (841) with installation axle (71) is fixed, press briquetting (842) to keep away from the one end of installation axle (71) with mount pad (841) is kept away from the one end of installation axle (71) is articulated, press briquetting (842) to be close to the one end of installation axle (71) is passed through compression spring (843) with mount pad (841) are connected, work as elastic expansion piece (84) are pegged graft when in inserting groove (831), compression spring (843) are in compression state.

6. The seal plate feeder with stable transmission according to claim 5, wherein: one surface of the mounting seat (841) far away from the pressing block (842) is provided with a limiting block (8411), the limiting block extends along the axial direction of the mounting shaft (71), and the groove wall of the insertion groove (831) is provided with a limiting groove (8311) which is inserted and matched with the limiting block (8411).

7. The seal plate feeder with stable transmission according to claim 1, wherein: the supporting beam (11) comprises a flexible portion (111) and a rigid portion (112), and the flexible portion (111) is wrapped at one end, close to the travelling wheels (7), of the rigid portion (112).

8. The seal plate feeder with stable transmission according to claim 1, wherein: the two ends of the supporting beam (11) in the length direction are bent towards the inner side of the annular conveying chain plate (2) in an arc shape.

9. The seal plate feeder with stable transmission according to claim 1, wherein: drive spare (5) include drive roll (51), driving motor (52) and driving gear (53), drive roll (51) length direction's both ends with frame (1) rotates to be connected, driving motor (52) with frame (1) is fixed, just the output shaft of driving motor (52) with drive roll (51) coaxial fixation, driving gear (53) coaxial fixation in drive roll (51) length direction's both ends, the inboard of conveying link joint (2) is fixed with annular drive chain (4), drive chain (4) with driving gear (53) meshing.

10. A seal plate feeder of claim 9, wherein: the inboard of conveying link joint (2) is provided with backup roll (9) that are used for supporting frid (21), backup roll (9) with frame (1) rotates and is connected, backup roll (9) with drive roll (51) are parallel, the outer peripheral face of backup roll (9) with frid (21) are close to the convex surface butt of drive roll (51).