CN211641023U

CN211641023U - Double-wheel-set coaxial pressurizing mechanism for hot air welding machine

Info

Publication number: CN211641023U
Application number: CN201922415666.4U
Authority: CN
Inventors: 邢兆良
Original assignee: Changzhou Rufa Machinery Co ltd
Current assignee: Changzhou Rufa Machinery Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-09
Anticipated expiration: 2029-12-28

Abstract

The utility model belongs to the technical field of the hot melt welding, concretely relates to hot-blast butt fusion machine is with coaxial loading system of double round of group. This coaxial loading system of double round of group includes: the upper belt wheel and the lower belt wheel are synchronously rotated and used for conveying the upper edge wrapping belt, the outer section of the wiredrawing cloth and the lower edge wrapping belt which are stacked in a pressure mode; the outer side of the upper belt wheel is coaxially provided with a feeding wheel, and the outer side of the lower belt wheel is coaxially provided with a discharging wheel; the feeding wheel and the discharging wheel carry the inner section of the wire-drawing cloth through the feeding wheel and the discharging wheel; the upper belt wheel, the lower belt wheel, the upper blanking wheel and the lower blanking wheel form a double-wheel-set structure and then synchronously rotate, so that the wiredrawing cloth, the upper wrapping belt and the lower wrapping belt are synchronously pressurized and conveyed. The upper belt wheel and the lower belt wheel of the double-wheel-set coaxial pressurizing mechanism rotate synchronously with the upper discharging wheel and the lower discharging wheel, so that the wiredrawing cloth, the upper wrapping belt and the lower wrapping belt are synchronously pressurized and conveyed. The wiredrawing cloth is not easy to slip by resistance, and the wiredrawing cloth is prevented from moving out of the upper and lower edge wrapping bands to influence the welding effect.

Description

Double-wheel-set coaxial pressurizing mechanism for hot air welding machine

Technical Field

The utility model belongs to the technical field of the hot melt welding, concretely relates to hot-blast butt fusion machine is with coaxial loading system of double round of group.

Background

The hot-melt welding is a welding method of PVC \ TPU \ PE and other soft materials, which is commonly used nowadays, and generally, a pressurizing mechanism is rotatably arranged on a frame of a hot air welding machine, as shown in fig. 1, the pressurizing mechanism comprises an upper belt wheel 1 and a lower belt wheel 2, and a wrapping band comprises an upper wrapping band a and a lower wrapping band B. Of course, the edge wrapping band can also be a T-shaped structure formed by bending one edge wrapping band. The wiredrawing cloth C comprises a wiredrawing cloth outer side section and a wiredrawing cloth inner side section. And the outer side section of the drawn cloth and the upper edge wrapping band A are sequentially laminated on the lower edge wrapping band B. The upper edge wrapping belt A, the outer section of the wiredrawing cloth and the lower edge wrapping belt B which are overlapped together are pressurized and conveyed through the inosculation part of the upper belt wheel and the lower belt wheel. The upper belt wheel and the lower belt wheel are of a single-wheel-set structure, and the upper belt wheel and the lower belt wheel are not in direct contact with the outer section of the wiredrawing cloth. The wiredrawing cloth C is easy to slip by resistance, so that the inner side section of the wiredrawing cloth is moved out between the upper edge wrapping belt A and the lower edge wrapping belt B, and the welding effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot-blast butt fusion machine is with coaxial loading system of double wheel group to solve current loading system because the single wheel group structure leads to the technical problem that the material skidded easily.

In order to solve the technical problem, the utility model provides a double-wheel-set coaxial pressurizing mechanism for a hot air welding machine, which comprises an upper belt wheel and a lower belt wheel which are synchronously rotated, wherein the upper belt wheel and the lower belt wheel are suitable for pressurizing and conveying an upper edge covering belt, an outer side section of a wire drawing cloth and a lower edge covering belt which are stacked;

the outer side of the upper belt wheel is coaxially provided with a feeding wheel, and the outer side of the lower belt wheel is coaxially provided with a discharging wheel;

the feeding wheel and the discharging wheel are suitable for pressurizing and conveying the inner side section of the passing wiredrawing cloth;

the upper belt wheel, the lower belt wheel, the upper blanking wheel and the lower blanking wheel form a double-wheel-set structure and then synchronously rotate, so that the wiredrawing cloth, the upper wrapping belt and the lower wrapping belt are synchronously pressurized and conveyed.

Furthermore, an upper feeding motor is arranged on one side of the upper belt wheel and drives the feeding wheel and the upper belt wheel to synchronously rotate through an upper transmission assembly;

a lower feeding motor is arranged on one side of the lower belt wheel and drives the discharging wheel and the lower belt wheel to synchronously rotate through a lower transmission assembly;

the upper feeding motor and the lower feeding motor rotate and are transmitted through the upper transmission assembly and the lower transmission assembly, so that the upper belt wheel and the lower belt wheel and the upper and lower discharging wheels form a double-wheel-group structure and then synchronously rotate.

Further, the upper transmission assembly comprises an upper rotating shaft and an upper connecting rod;

a first gear and a second gear are respectively fixed at two ends of the upper connecting rod;

a feeding wheel and an upper belt wheel are fixedly arranged at one end of the upper rotating shaft, and a driven gear is fixedly arranged at the other end of the upper rotating shaft;

an output shaft of the upper feeding motor is fixedly provided with a driving gear;

the driving gear is connected with the first gear through a first chain, and the driven gear is connected with the second gear through a second chain;

the structure of the lower transmission assembly is the same as that of the upper transmission assembly.

Further, the mounting structure of material loading wheel and last band pulley and last pivot includes:

the upper rotating shaft is provided with an inner snap ring and an outer snap ring;

the feeding wheel is fixedly arranged on the upper rotating shaft through an inner clamping ring, and the upper belt wheel is fixedly arranged on the upper rotating shaft through an outer clamping ring;

a gap avoiding the upper and lower edge wrapping bands is formed between the feeding wheel and the upper belt wheel;

the mounting structure of the blanking wheel, the lower belt wheel and the lower rotating shaft is the same as that of the feeding wheel, the upper belt wheel and the upper rotating shaft.

Furthermore, a connecting end of the inner snap ring is provided with a locking bolt, and the other connecting end of the inner snap ring is provided with a locking hole matched with the locking bolt;

the locking bolt is screwed into the locking hole and is suitable for fixing the inner snap ring on the upper rotating shaft;

the inner clamping ring is provided with a positioning bolt, and the feeding wheel is provided with a positioning hole matched with the positioning bolt;

the positioning bolt is screwed into the positioning hole and is suitable for fixedly connecting the feeding wheel with the inner snap ring;

the structure of the outer snap ring is the same as that of the inner snap ring.

The beneficial effects of the utility model are that, the utility model discloses a hot-blast butt fusion machine is with coaxial loading system of double-wheel group, at the coaxial upper and lower unloading wheel that sets up in one side of upper and lower band pulley, upper and lower unloading wheel is suitable for the wire drawing cloth medial section to the process and pressurizes and carry. The four conveying wheels synchronously rotate to synchronously pressurize and convey the wiredrawing cloth, the upper wrapping belt and the lower wrapping belt. The wiredrawing cloth is not easy to slip due to resistance, and the phenomenon that the inner side section of the wiredrawing cloth moves out between the upper edge wrapping belt and the lower edge wrapping belt to influence the welding effect is avoided.

The upper feeding motor and the lower feeding motor drive the upper belt wheel, the lower belt wheel, the upper discharging wheel and the lower discharging wheel to synchronously rotate through the upper transmission assembly and the lower transmission assembly, so that the pressure conveying of the edge wrapping belt and the wire drawing cloth is realized. Through gear, pivot, connecting rod and chain drive, the design is simple, and standard accessory sets up, and it is simple and easy convenient to maintain change.

The four conveying wheels are fixedly arranged on the corresponding rotating shafts through the inner snap ring and the outer snap ring. A gap is formed between the material wheel and the belt wheel to avoid the upper and lower edge wrapping belts, so that the pressurization conveying is convenient. The locking bolt and the positioning bolt are easy to fix and adjust the positions of the material wheel and the belt wheel on the rotating shaft, the gap is adjusted, and the conveying wheels are convenient to mount and dismount.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a single-wheel-set pressing mechanism for a hot-air welding machine in the prior art;

fig. 2 is a schematic structural view of a preferred embodiment of the dual-wheel-set coaxial pressurizing mechanism for the hot air welding machine of the present invention;

fig. 3 is a perspective view of a preferred embodiment of the dual-wheel coaxial pressurizing mechanism for the hot air welding machine of the present invention;

FIG. 4 is a schematic structural view of a preferred embodiment of the mounting structure of the belt wheel and the material wheel with the rotating shaft of the present invention;

fig. 5 is a perspective view of a preferred embodiment of the mounting structure of the belt wheel and the material wheel and the rotating shaft of the present invention.

In the figure:

1. an upper belt wheel; 2. a lower belt wheel; 3. a feeding wheel; 4. a blanking wheel; 5. an upper feeding motor; 6. an upper transmission assembly; 61. an upper rotating shaft; 62. an upper connecting rod; 63. a first gear; 64. a second gear; 65. a driven gear; 66. a driving gear; 67. a first chain; 68. a second chain; 7. a lower feeding motor; 8. a lower transmission assembly; 9. an inner snap ring; 91. locking the bolt; 92. positioning the bolt; 10. an outer snap ring; A. wrapping the edge band; B. a lower edge wrapping band; C. and (4) wiredrawing cloth.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2 and 3, the double-wheel-set coaxial pressing mechanism for the hot air welding machine of the present embodiment includes an upper pulley 1 and a lower pulley 2 which are synchronously rotated, and the upper pulley 1 and the lower pulley 2 are adapted to press and convey an upper edge-covering belt a, an outer side section of a drawing cloth, and a lower edge-covering belt B which pass through the upper and lower pulleys. The outer side of the upper belt wheel 1 is coaxially provided with a feeding wheel 3, the outer side of the lower belt wheel 2 is coaxially provided with a discharging wheel 4, and the feeding wheel 3 and the discharging wheel 4 are suitable for pressurizing and conveying the inner section of the passing wiredrawing cloth. The upper belt wheel 1, the lower belt wheel 2, the feeding wheel 3 and the discharging wheel 4 synchronously rotate so as to synchronously pressurize and convey the wiredrawing cloth C and the upper and lower edge wrapping belts. An upper feeding wheel and a lower feeding wheel are coaxially arranged on one side of the upper belt wheel and one side of the lower belt wheel, and the upper feeding wheel and the lower feeding wheel are suitable for pressurizing and conveying the inner side sections of the passing wiredrawing cloth. The four conveying wheels synchronously rotate to synchronously pressurize and convey the wiredrawing cloth C and the upper and lower wrapping bands. The wiredrawing cloth C is not easy to slip due to resistance, and the phenomenon that the inner side section of the wiredrawing cloth moves out between the upper edge wrapping belt A and the lower edge wrapping belt B to influence the welding effect is avoided.

As shown in fig. 3, an upper feeding motor 5 is arranged on one side of the upper belt wheel 1, and the upper feeding motor 5 drives the feeding wheel 3 and the upper belt wheel 1 to rotate synchronously through an upper transmission assembly 6. One side of the lower belt wheel 2 is provided with a lower feeding motor 7, and the lower feeding motor 7 drives the lower material wheel 4 and the lower belt wheel 2 to synchronously rotate through a lower transmission component 8. The upper feeding motor 5 and the lower feeding motor 7 rotate and are transmitted by the upper transmission component 6 and the lower transmission component 8, so that the feeding wheel 3, the upper belt wheel 1, the discharging wheel 4 and the lower belt wheel 2 synchronously rotate. The upper feeding motor and the lower feeding motor drive the upper belt wheel, the lower belt wheel, the upper discharging wheel and the lower discharging wheel to synchronously rotate through the upper transmission assembly and the lower transmission assembly, so that the pressurizing conveying of the edge covering belt and the wiredrawing cloth A is realized.

Specifically, as shown in fig. 3, the upper transmission assembly 6 includes an upper shaft 61 and an upper link 62. A first gear 63 and a second gear 64 are respectively fixed at two ends of the upper connecting rod 62, a feeding wheel 3 and an upper belt wheel 1 are fixedly arranged at one end of the upper rotating shaft 61, and a driven gear 65 is fixedly arranged at the other end of the upper rotating shaft 61. The output shaft of the upper feeding motor 5 is fixedly provided with a driving gear 66, the driving gear 66 is connected with the first gear 63 through a first chain 67, and the driven gear 65 is connected with the second gear 64 through a second chain 68. The lower transmission assembly 8 has the same structure as the upper transmission assembly 6. The energy transmission of the motor is transmitted to each conveying wheel through the gears, the rotating shaft, the connecting rod and the chain, the design is simple, the standard accessories are arranged, and the maintenance and the replacement are simple and convenient.

As shown in fig. 4 and 5, the mounting structure of the loading wheel 3, the upper pulley 1 and the upper rotating shaft 61 includes:

go up pivot 61 and set up interior snap ring 9 and outer snap ring 10, material loading wheel 3 passes through interior snap ring 9 and fixedly sets up on last pivot 61, goes up band pulley 1 and passes through outer snap ring 10 and fixedly set up on last pivot 61. A gap avoiding the upper and lower edge wrapping bands is formed between the feeding wheel 3 and the upper belt wheel 1. The mounting structures of the discharging wheel 4, the lower belt wheel 2 and the lower rotating shaft are the same as the mounting structures of the feeding wheel 3, the upper belt wheel 1 and the upper rotating shaft 61. A connecting end of the inner snap ring 9 is provided with a locking bolt 91, and the other connecting end of the inner snap ring 9 is provided with a locking hole matched with the locking bolt 91. The locking bolt 91 is screwed into the locking hole and adapted to fix the inner snap ring 9 to the upper rotary shaft 61. The inner snap ring 9 is provided with a positioning bolt 92, and the feeding wheel 3 is provided with a positioning hole matched with the positioning bolt 92. The positioning bolt 92 is screwed into the positioning hole and is suitable for fixedly connecting the feeding wheel 3 with the inner snap ring 9. The structure of the outer snap ring 10 is the same as that of the inner snap ring 9. The four conveying wheels are fixedly arranged on the corresponding rotating shafts through the inner snap ring and the outer snap ring. A gap is formed between the material wheel and the belt wheel to avoid the upper and lower edge wrapping belts, so that the pressurization conveying is convenient. The locking bolt 91 and the positioning bolt 92 are easy to fix and adjust the positions of the material wheel and the belt wheel on the rotating shaft, adjust the gap and facilitate the installation and the disassembly of each conveying wheel.

As shown in fig. 2 to 5, in the practical operation of the present invention:

and the outer side section of the upper edge covering belt A and the outer side section of the wiredrawing cloth are overlapped on the outer side section of the lower edge covering belt and are placed at the inosculation position of the upper belt wheel 1 and the lower belt wheel 2, and the inner side section of the wiredrawing cloth is positioned at the inosculation position of the feeding wheel 3 and the discharging wheel 4. And (4) screwing the positioning bolt 92 to fixedly connect the inner snap ring 9 with the feeding wheel 3. The outer clamping ring 10 is fixed to the upper pulley 1 in the same way. The outer snap ring 10 and the upper pulley 1 are fitted to predetermined positions of the upper rotating shaft 61, and the locking bolt 91 of the outer snap ring 10 is tightened to fix the outer snap ring 10 and the upper pulley 1 to the upper rotating shaft 61. The inner snap ring 9 and the feeding wheel 3 are sleeved at the preset position of the upper rotating shaft 61, so that a gap avoiding a belting belt is formed between the feeding wheel 3 and the upper belt wheel 1. And (3) screwing the locking bolt 91 of the inner snap ring 9 to fix the inner snap ring 9 and the feeding wheel 3 on the upper rotating shaft 61. The upper feeding motor 5 rotates to drive the upper connecting rod 62 to rotate through the driving gear 66, the first chain 67 and the first gear 63. The upper connecting rod 62 drives the upper rotating shaft 61 to rotate through the second gear 64, the second chain 68 and the driven gear 65, so that the upper belt wheel 1 and the feeding wheel 3 synchronously rotate. By adopting the same structure, the lower feeding motor 7 drives the discharging wheel 4 and the lower belt wheel 2 to synchronously rotate through the lower transmission component 8. The feeding wheel 3, the upper belt wheel 1, the discharging wheel 4 and the lower belt wheel 2 synchronously rotate to realize the pressurized conveying of the edge covering belt and the wiredrawing cloth A.

To sum up, use this utility model's coaxial loading system of double wheel group for hot-blast welding machine, at the coaxial upper and lower unloading wheel that sets up in one side of upper and lower band pulley, upper and lower unloading wheel is suitable for the wire drawing cloth medial section pressurization of process and carries. The four conveying wheels synchronously rotate to synchronously pressurize and convey the wiredrawing cloth, the upper wrapping belt and the lower wrapping belt. The wiredrawing cloth is not easy to slip due to resistance, and the phenomenon that the inner side section of the wiredrawing cloth moves out between the upper edge wrapping belt and the lower edge wrapping belt to influence the welding effect is avoided.

The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or component to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 double-wheel-set coaxial pressurizing mechanism for the hot air welding machine is characterized by comprising an upper belt wheel and a lower belt wheel which are synchronously and rotatably arranged, wherein the upper belt wheel and the lower belt wheel are suitable for pressurizing and conveying an upper edge covering belt, an outer side section of a wire drawing cloth and a lower edge covering belt which are stacked;

2. The twin-wheel coaxial pressing mechanism for a hot air welding machine according to claim 1,

an upper feeding motor is arranged on one side of the upper belt wheel and drives the feeding wheel and the upper belt wheel to synchronously rotate through an upper transmission assembly;

3. The twin-wheel coaxial pressing mechanism for a hot air welding machine according to claim 2,

the upper transmission assembly comprises an upper rotating shaft and an upper connecting rod;

4. The twin-wheel coaxial pressing mechanism for a hot air welding machine according to claim 3,

the mounting structure of material loading wheel and last band pulley and last pivot includes:

5. The twin-wheel coaxial pressing mechanism for a hot air welding machine according to claim 4,

a locking bolt is arranged at one connecting end of the inner snap ring, and a locking hole matched with the locking bolt is formed in the other connecting end of the inner snap ring;