CN212557971U

CN212557971U - Heavy-load flat-top conveying chain

Info

Publication number: CN212557971U
Application number: CN202021246362.6U
Authority: CN
Inventors: 房运成; 项涛
Original assignee: Changzhou Rexnord Transmission Co ltd
Current assignee: Changzhou Rexnord Transmission Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-19
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a heavy-duty flat-top conveying chain, which comprises a plurality of groups of chain plate units, each group of chain plate units comprises a plurality of chain plates arranged side by side, two pin shafts respectively penetrate into pin shaft holes at two ends of the plurality of chain plates arranged side by side in sequence to enable the plurality of chain plates to be connected in series into a whole, and a clamping plate, the chain plates at the end parts of the two ends of the chain plate unit along the length direction are respectively provided with a clamping plate groove, the clamping plates are inserted in the clamping plate grooves of the corresponding chain plates, and the clamping plate is positioned at the outer side of the end part of the pin shaft and is abutted against the end part of the pin shaft, the clamping plate comprises a first backstop section and a second backstop section, the first retaining section is connected with the second retaining section into a whole through a transition connecting section, positioning bulges are arranged on the side walls of the first retaining section and the second retaining section, and positioning protrusion clamping grooves are formed in the clamping plate grooves of the chain plates, and the positioning protrusions of the first stopping section and the second stopping section are respectively clamped in the pin shaft holes of the chain plates at the end parts of the chain plate units and the positioning protrusion clamping grooves of the clamping plate grooves. The utility model discloses convenient to detach and maintenance.

Description

Heavy-load flat-top conveying chain

Technical Field

The utility model relates to a conveying chain, concretely relates to heavy-duty type flat top conveying chain of people's conveyer.

Background

The existing plastic flat top chain is widely applied due to the advantages of light weight, low noise, loose lubrication requirement and easy cleaning, and along with the popularization and application of flame-retardant plastic, antistatic and ultraviolet-resistant plastic, plastic heavy-load flat top conveying chains are increasingly adopted in production lines of automobile assembly, cleaning and the like. Because the bearing capacity of the man-machine bearing plastic conveying chain is improved by times compared with that of a common conveying chain, the anti-falling design of the pin shaft structure for transmitting power becomes the key of the heavy-load conveying chain. In the prior art, the pin shaft stopping design of the conveying chain is a unilateral clamping plate type scheme, namely, an extending section is arranged on the outermost link plate of the conveying chain, the extending section is provided with a closed clamping groove, the thickness of the extending section is smaller than that of the link plate body, namely, the strength of the extending section is smaller than that of the link plate body, the clamping plate is designed at one end of the link plate, after the pin shaft is installed, the clamping plate is installed in the clamping groove of the extending section of the outermost link plate of the conveying chain, the purpose of stopping the pin shaft from coming out of the end is achieved because the clamping plate can simultaneously stop two pin holes of the link plate at the end, the stopping of the pin shaft at the other end of the conveying chain is achieved, and the purpose of stopping the pin shaft from coming out of the other end is achieved by. The structure is as shown in figure 1, and the design scheme has the following disadvantages: firstly, the sizes of the clamping grooves and the clamping groove walls of the chain plates on the outermost sides of the two ends of the conveying chain can reach 8-10mm under the limitation of the wall thickness of the clamping plate and the wall thickness of the clamping grooves of the chain plates on the outermost sides of the two ends of the conveying chain, so that the clamping groove walls of the chain plates are easy to deform due to uneven glue amount; secondly, after the clamping plate is arranged in the clamping groove of the chain plate, the clamping plate is in interference fit, so that the clamping plate is difficult to disassemble and difficult to maintain subsequently; thirdly, in case reverse deformation appears in the draw-in groove of link joint, will make the cardboard appear that the magnitude of interference is too little to can cause the problem that the cardboard pine takes off.

Disclosure of Invention

The utility model aims at: the heavy-load flat-top conveying chain is convenient to disassemble and maintain.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a heavy load flat top conveying chain, includes multiunit link joint unit, and every group link joint unit includes a plurality of link joints of arranging side by side, and the both ends of every link joint are equipped with the round pin shaft hole respectively, and two round pin axles penetrate the round pin shaft hole at a plurality of link joint both ends of arranging side by side respectively and make a plurality of link joints series connection as an organic whole, and its innovation point lies in:

a. the chain plate unit is provided with open type clamping plate grooves along the chain plates at the two ends of the chain plate unit in the length direction, the clamping plates are inserted in the clamping plate grooves of the corresponding chain plates and are positioned at the outer sides of the end parts of the pin shafts and are abutted against the outer sides,

b. the cardboard includes first stopping section and second stopping section, first stopping section links as an organic whole through transition linking section and second stopping section, all be equipped with the location arch on the lateral wall of first stopping section and second stopping section, the cardboard inslot of link joint is equipped with the protruding draw-in groove of location, the respective location arch of first stopping section and second stopping section clamps respectively in the protruding draw-in groove of location of the round pin shaft hole of link joint unit tip link joint and cardboard groove.

In the technical scheme, the middle of each chain plate unit is also provided with a plurality of rigid reinforcing plates, each rigid reinforcing plate is positioned between two adjacent chain plates, and two ends of each rigid reinforcing plate are respectively sleeved on the corresponding pin shafts.

In the above technical solution, the two ends of the chain plates are respectively provided with a plurality of connecting lugs with pin shaft holes integrated with each other, and the two pin shafts respectively penetrate through the pin shaft holes of the connecting lugs at the two ends of the chain plates simultaneously to connect the chain plates into a whole.

In the technical scheme, the chain plates at the two end parts of the chain plate units along the length direction are also provided with dismounting holes, and the height of the first backstop section of the clamping plate is smaller than the depth of the clamping plate groove of the chain plate.

In the technical scheme, the chain plate is provided with the reinforcing rib plates which are integrated with the chain plate.

In the above technical scheme, the first stopping section and the second stopping section are both connected with the transition connection section in an arc transition manner into a whole.

The utility model discloses the positive effect who has is: after the heavy-duty flat-top conveying chain is adopted, the heavy-duty flat-top conveying chain further comprises the clamping plates, the chain plates at the end parts of the two ends of each chain plate unit along the length direction of the chain plate unit are respectively provided with an open type clamping plate groove, the clamping plates are inserted into the clamping plate grooves of the corresponding chain plates, the clamping plates are positioned outside the end parts of the pin shafts and abut against the end parts of the pin shafts, each clamping plate comprises a first stopping section and a second stopping section, the first stopping section and the second stopping section are connected into a whole through a transitional connecting section, the side walls of the first stopping section and the second stopping section are respectively provided with a positioning bulge, the clamping grooves of the positioning bulges are arranged in the clamping plate grooves of the chain plates, the positioning bulges of the first stopping section and the second stopping section are respectively clamped in the pin shaft holes at the end parts of the chain plates units and the positioning bulge clamping grooves of the clamping plate grooves, the structure of the clamping plates is optimized into three sections which are mutually integrated, and the stopping sections at the two ends are connected into, when the cardboard was adorned, go into the cardboard inslot of the link joint of link joint unit one end tip with the second stopping section card of a cardboard in advance, and the protruding card of location on the second stopping section card goes into the protruding draw-in groove of location that the cardboard inslot corresponds, then rotate according to lever principle and pass through the linking section and pack into the cardboard groove, finally go into the first stopping section card of cardboard inslot and make the protruding card of location on the first stopping section card go into the round pin shaft hole of tip link joint, adorn another cardboard in the cardboard inslot of the link joint of link joint unit other end tip equally, through spacing to cardboard local point location, the deformation that the link joint caused at the draw-in groove department of gluing the volume is inhomogeneous has greatly been improved. When the conveying chain is disassembled, the straight screwdriver is only required to be inserted into the chain plate at the end part of the chain plate unit from the side surface, the screwdriver is rotated, the boss positioning resistance of the positioning protrusion and the pin shaft hole on the first stopping section on the clamping plate can be overcome, the clamping plate is rotated to be away from the pin shaft hole, then the pin shaft can be taken out, and the disassembling and the maintenance of the conveying chain are completed.

Drawings

FIG. 1 is a schematic diagram of a prior art configuration;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a side schematic view of FIG. 2;

fig. 4 is an assembly schematic diagram of two groups of chain plate units of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.

As shown in fig. 2, 3 and 4, a heavy-duty flat top conveying chain comprises a plurality of groups of chain plate units 1, each group of chain plate units 1 comprises a plurality of chain plates 11 arranged side by side, pin shaft holes 115 are respectively arranged at two ends of each chain plate 11, two pin shafts 12 respectively penetrate into the pin shaft holes 115 at two ends of the plurality of chain plates 11 arranged side by side in sequence to enable the plurality of chain plates 11 to be connected in series,

a. the chain plate unit 1 is provided with open type clamping plate grooves 111 along the chain plates 11 at the two ends of the chain plate unit 1 in the length direction, the clamping plates 13 are inserted into the clamping plate grooves 111 of the corresponding chain plates 11, the clamping plates 13 are positioned at the outer sides of the ends of the pin shafts 12 and abut against the outer sides of the ends of the pin shafts 12,

b. the clamping plate 13 comprises a first retaining section 131 and a second retaining section 132, the first retaining section 131 is connected with the second retaining section 132 into a whole through a transition connecting section 133, positioning protrusions 134 are arranged on the side walls of the first retaining section 131 and the second retaining section 132, a positioning protrusion clamping groove is arranged in the clamping plate groove 111 of the chain plate 11, and the positioning protrusions 134 of the first retaining section 131 and the second retaining section 132 are respectively clamped in the pin shaft hole 115 of the chain plate 11 at the end part of the chain plate unit 1 and the positioning protrusion clamping groove of the clamping plate groove 111.

As shown in fig. 2, in order to enhance the rigidity strength of the whole link plate unit and improve the load carrying capacity of the link plate unit, a plurality of rigid reinforcing plates 14 are further disposed in the middle of the link plate unit 1, each rigid reinforcing plate 14 is located between two adjacent link plates 11, and both ends of each rigid reinforcing plate 14 are respectively sleeved on corresponding pin shafts 12.

As shown in fig. 2, in order to facilitate the insertion of the pin shafts and to make the structure more reasonable, a plurality of engaging lugs 112 with pin shaft holes 115 are respectively provided at both ends of the link plates 11, and two pin shafts 12 respectively penetrate through the pin shaft holes 115 of the engaging lugs 112 at both ends of the link plates 11 to connect the link plates 11 together.

As shown in fig. 3, in order to further facilitate the disassembly, the link plate 11 at both ends of the link plate unit 1 in the length direction is further provided with disassembly holes 113, and the height of the first retaining section 131 of the catch plate 13 is smaller than the depth of the catch groove 111 of the link plate 11, that is, a gap is formed between the bottom of the first retaining section 131 and the bottom of the catch groove 111 of the link plate 11. During disassembly, the screwdriver is inserted into the disassembly hole 113, the linear screwdriver is inserted into the gap and attached to the bottom of the clamping plate, the screwdriver is rotated, the boss positioning resistance of the clamping plate and the pin hole of the chain plate can be overcome, the clamping plate is rotated to leave the pin hole of the chain plate, the pin shaft is taken out, and the disassembly and the maintenance of the conveying chain are completed.

As shown in fig. 2, in order to further improve the rigidity and strength of the link plate 11 itself, the link plate 11 has a reinforcing rib 114 integrally formed therewith. Link joint unit 1 add a plurality of rigidity reinforcing plates 14 and the deep floor 114 that link joint 11 was add for flat top conveying chain's rated bearing capacity has improved about 70%.

As shown in FIG. 2, the middle section of the clamping plate structure is optimized to be a broken line shape, so that the corresponding structures of the clamping plate and the chain plate unit are more reasonable, and the first stopping section 131 and the second stopping section 132 are both in arc-shaped transitional connection with the transitional connection section 133 into a whole.

The utility model optimizes the structure of the clamping plate into three sections which are mutually integrated, the middle section is in a zigzag shape, the first stopping section 131 and the second stopping section 132 are both in arc transition connection with the transition connecting section 133 into a whole, when the clamping plate is assembled, the second retaining portion 132 of one of the snap-in plates 13 is snapped into the open snap-in groove 111 of the link plate 11 at the end of the link plate unit 1 in advance, and the positioning protrusion 134 on the second stopping section 132 is clamped into the corresponding positioning protrusion clamping groove in the clamping plate groove 111, then the transitional connecting section is rotated according to the lever principle and is arranged in the clamping plate groove, finally the first backstop section 131 of the clamping plate 13 is clamped in the clamping plate groove, the positioning bulge 134 on the first backstop section 131 is clamped in the pin shaft hole 115 of the end part chain plate 11, the other clamping plate 13 is also clamped in the clamping plate groove 111 of the chain plate 11 at the other end part of the chain plate unit 1, through the limitation to the local point position of the clamping plate, the deformation of the chain plate caused by uneven glue amount at the clamping groove is greatly improved. During the dismantlement, insert the screwdriver in the dismantlement hole 113, and insert a style of calligraphy screwdriver in the gap between cardboard and the cardboard groove to laminating with the bottom of cardboard, rotate the screwdriver, can overcome the boss location resistance of location arch and round pin shaft hole on the first stopping section on the cardboard, rotate the cardboard and leave round pin shaft hole, and then can take out the round pin axle, accomplish the dismantlement and the maintenance of conveying chain.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a heavy load flat top conveying chain, includes multiunit link joint unit (1), and every group link joint unit (1) includes a plurality of link joint (11) of arranging side by side, and the both ends of every link joint (11) are equipped with round pin shaft hole (115) respectively, and two round pin axles (12) penetrate in round pin shaft hole (115) at a plurality of link joint (11) both ends of arranging side by side respectively in proper order, make a plurality of link joint (11) series connection as an organic whole, its characterized in that:

a. the chain plate unit is characterized by further comprising clamping plates (13), the chain plates (11) at the two end parts of the chain plate unit (1) along the length direction are respectively provided with a clamping plate groove (111), the clamping plates (13) are inserted into the clamping plate grooves (111) of the corresponding chain plates (11), the clamping plates (13) are located on the outer sides of the end parts of the pin shafts (12) and abut against the outer sides of the end parts of the pin shafts (12),

b. the clamping plate (13) comprises a first stopping section (131) and a second stopping section (132), the first stopping section (131) is connected with the second stopping section (132) into a whole through a transition connecting section (133), positioning protrusions (134) are arranged on the side walls of the first stopping section (131) and the second stopping section (132), a positioning protrusion clamping groove is formed in a clamping plate groove (111) of the chain plate (11), and the positioning protrusions (134) of the first stopping section (131) and the second stopping section (132) are respectively clamped in a pin shaft hole (115) of the chain plate (11) at the end part of the chain plate unit (1) and the positioning protrusion clamping groove of the clamping plate groove (111).

2. The heavy duty flat top conveyor chain of claim 1, wherein: the middle of each chain plate unit (1) is also provided with a plurality of rigid reinforcing plates (14), each rigid reinforcing plate (14) is located between two adjacent chain plates (11), and two ends of each rigid reinforcing plate (14) are respectively sleeved on corresponding pin shafts (12).

3. The heavy duty flat top conveyor chain of claim 1, wherein: the two ends of each chain plate (11) are respectively provided with a plurality of connecting lugs (112) which are integrated with the chain plates (11) and are provided with pin shaft holes (115), and the two pin shafts (12) respectively penetrate through the pin shaft holes (115) of the connecting lugs (112) at the two ends of the chain plates (11) at the same time to connect the chain plates (11) into a whole.

4. The heavy duty flat top conveyor chain of claim 1, wherein: the chain plate unit (1) is further provided with dismounting holes (113) along the chain plates (11) at the two end parts of the chain plate unit in the length direction, and the height of the first retaining section (131) of the clamping plate (13) is smaller than the depth of the clamping plate groove (111) of the chain plate (11).

5. The heavy duty flat top conveyor chain of claim 1, wherein: the chain plate (11) is provided with reinforcing rib plates (114) which are integrated with the chain plate.

6. The heavy duty flat top conveyor chain of claim 1, wherein: the first retaining section (131) and the second retaining section (132) are in arc-shaped transition connection with the transition connection section (133) into a whole.