Conveyor belt structure of feeding frame of pipe laser cutting equipment

Abstract

The utility model provides a conveying belt structure of a feeding frame of pipe laser cutting equipment, which belongs to the field of pipe processing equipment and comprises a power component and a plurality of groups of conveying units, each group of conveying units comprises a transmission shaft rotatably mounted on the feeding frame, and a conveying belt is paved on the transmission shaft. The transmission shaft is further provided with a synchronous wheel capable of moving and adjusting in the axial direction, the synchronous wheels of all the conveying units are in mutual transmission connection through the same synchronous belt and are in transmission connection to a power assembly at the same time, and the power assembly drives all the conveying units to move synchronously. The synchronous wheel can be movably and adjustably mounted on the transmission shaft in the axial direction, so that the position of the synchronous wheel can be adjusted in the mounting process, position errors caused by insufficient precision in the machining and mounting process of the conveying belt unit are made up, and the situation that a synchronous belt is sharply abraded due to dislocation of the synchronous wheel is avoided; the influence on the service life of the synchronous belt and the stability of equipment can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe processing equipment field especially, relate to a kind of conveying belt structure of pipe laser cutting equipment feeding rack. BACKGROUND

[0002] Metal processing is an important part of modern industrial production, and with the development of technology, the degree of automation of cutting, bending and hole machining of metal pipes is higher and higher, and the conveying belt is an important structure of automatic processing production line. The conveying belt of the existing pipe cutting equipment feeding rack is composed of multiple conveying belt units, and the multiple conveying belt units are synchronously driven and connected to the power assembly by the cooperation of synchronous pulleys and synchronous belts. However, since the synchronous pulleys and the transmission shafts are fixedly connected, the machining and installation precision of the conveying belt units is very high, otherwise the synchronous pulleys of the multiple conveying belt units will be misaligned, causing increased friction between the synchronous belt and the synchronous pulley, accelerating the wear of the synchronous belt, shortening the service life of the synchronous belt and affecting the stability of the equipment. SUMMARY

[0003] Based on the above problems of the prior art, the utility model provides a conveying belt structure of pipe laser cutting equipment feeding rack, which includes a power assembly and a plurality of conveying units. Each conveying unit includes a rotating transmission shaft mounted to the feeding rack, a conveyor belt installed on the transmission shaft, and a synchronous pulley mounted on the transmission shaft and movable in the axial direction. The synchronous pulleys of all conveying units are connected by a synchronous belt and driven by the power assembly.

[0004] The transmission shaft is provided with a limiting sliding groove, the synchronous pulley is coaxially sleeved on the transmission shaft, a positioning bolt is installed on the synchronous pulley and extends into the limiting sliding groove to limit the sliding of the synchronous pulley.

[0005] The limiting sliding groove is uniformly distributed with a plurality of limiting edges along the axial direction of the transmission shaft, and the positioning bolt is threadedly connected with a limiting block provided with a plurality of limiting grooves matching the limiting edges.

[0006] The synchronous pulley is provided with a receiving cavity for receiving the limiting block, which facilitates the storage of the limiting block in the synchronous pulley and avoids affecting the installation of the synchronous pulley.

[0007] The positioning bolt comprises a head part and a rod part which are integrally formed, the rod part is provided with a thread and connected with the limiting block through the thread, a limiting ring with a diameter larger than the head part and the rod part is arranged between the head part and the rod part, the outer side of the synchronous wheel is provided with a bolt cavity extending in the radial direction and matched with the size of the limiting ring, the bottom of the bolt cavity is provided with a first through hole matched with the size of the rod part, and a limiting cover is fixedly installed on the outer side of the bolt cavity, the limiting cover and the bolt cavity cooperate to limit the translation of the limiting ring, and the positioning bolt is rotatably installed in the bolt cavity.

[0008] The second through hole matched with the size of the head part of the positioning bolt is arranged on the limiting cover, the head part passes through the second through hole, the limiting cover is connected to the bolt cavity through the thread, the head part of the positioning bolt is provided with a second screwing groove for screwing the positioning bolt, and the limiting cover is provided with a first screwing groove for screwing the limiting cover.

[0009] The utility model has the beneficial effect that:

[0010] 1. The synchronous wheel can be installed on the transmission shaft and adjusted in the axial direction during installation, so that the position of the synchronous wheel can be adjusted during installation, the position error caused by insufficient precision during the machining and installation of the conveying belt unit is compensated, the synchronous belt is prevented from being sharply worn due to misalignment of the synchronous wheel, and the service life of the synchronous belt and the stability of the equipment are prevented from being affected.

[0011] The cooperation of the limiting sliding groove, the positioning bolt, the limiting edge and the limiting groove can limit the synchronous wheel, so that the synchronous wheel can be adjusted in the axial direction when needed, and can also be firmly fixed to the transmission shaft, so that misalignment caused by stress or long-term use is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of a conveying belt structure of a pipe laser cutting equipment feeding rack in example one.

[0013] Figure 2 It is a three-dimensional structure schematic view of a conveying belt structure of a pipe laser cutting equipment feeding rack in example two.

[0014] Figure 3 It is a cooperation schematic view of the transmission shaft and the synchronous wheel.

[0015] Figure 4 It is an enlarged view of A of Figure 3

[0016] Figure 5 It is a sectional view schematic view of the cooperation structure of the synchronous wheel and the transmission shaft.

[0017] Figure 6 It is a front view plane structure schematic view of the limiting block. ​

[0018] Figure 7 is Figure 6 an enlarged view of B of

[0019] Figure 8 is an exploded structural schematic view of the synchronous wheel and transmission shaft.

[0020] Figure 9 is an enlarged view of C of Figure 8

[0021] Figure 10 is a structural schematic view of the limiting block. DETAILED DESCRIPTION

[0022] The utility model will be described in detail below in combination with the drawings and specific embodiments.

[0023] Embodiment one:

[0024] As shown in the accompanying Figure 1 , 3 -10 shows a pipe laser cutting equipment feeding rack conveyor belt structure, it includes power assembly 1 and two groups of conveying unit 2, two groups of conveying unit 2 are arranged in upper and lower, realize upper and lower synchronous feeding (the relevant structure of the feeding rack belonging to prior art is hidden in the drawing, including the structure of the surrounding edge limiting structure for preventing material from falling out of the conveying belt, and the structure of the load roller located below the conveying belt), each conveying unit 2 includes the transmission shaft 4 installed to the feeding rack by rotating bearing 3 rotation, the middle part of transmission shaft 4 is installed with synchronous wheel 5 and can be adjusted along the axial direction, transmission shaft 4 is installed with conveying belt 6 on the both sides of synchronous wheel 5, and the upper surface of conveying belt 6 is higher than the upper surface of synchronous wheel 5, avoid the conveying of synchronous wheel 5 and other structures to the material, all the synchronous wheels 5 of conveying unit 2 are connected by the same synchronous belt 7 and are simultaneously connected to power assembly 1, the power assembly 1 includes driving motor 8, driving motor 8 and speed reducer 9 transmission connection, a transmission shaft 4 is also transmission installed on speed reducer 9, and a synchronous wheel 5 is also installed on the transmission shaft 4, which is transmission connected by synchronous wheel 5 and synchronous belt 7, to realize the synchronous movement of all conveying units 2 driven by power assembly 1.

[0025] ​As a preferred embodiment, the transmission shaft 4 is provided with a limiting sliding groove 10, and a plurality of limiting edges 11 are uniformly distributed in the limiting sliding groove 10 along the axial direction of the transmission shaft 4. The synchronous wheel 5 is coaxially sleeved on the transmission shaft 4, and a positioning bolt 12 extending in the radial direction is mounted on the synchronous wheel 5. The positioning bolt 12 includes an integral head 13 and a rod 14, and the head 13 and the rod 14 have the same diameter. The rod 14 is provided with threads and is threadedly connected with a limiting block 15. The head 13 and the rod 14 are provided with a limiting ring 16 having a diameter greater than that of the head 13 and the rod 14. The outer side of the synchronous wheel 5 is provided with a bolt cavity 17 extending in the radial direction and matching the size of the limiting ring 16. The bottom of the bolt cavity 17 is provided with a first through hole 18 matching the size of the rod 14. After the rod 14 passes through the first through hole 18, the limiting block 15 is threadedly connected and mounted. The synchronous wheel 5 is provided with a containing cavity 19 for containing the limiting block 15. The outer side of the bolt cavity 17 is further provided with a limiting cover 20 threadedly connected and fixedly mounted. The limiting cover 20 is provided with a second through hole 21 matching the size of the head 13 of the positioning bolt 12. The head 13 passes through the second through hole 21 and does not protrude out of the second through hole 21. The head 13 of the positioning bolt 12 is provided with a second tightening groove 22 for tightening the positioning bolt 12. The limiting cover 20 is provided with a first tightening groove 23 for tightening the limiting cover 20. The limiting cover 20 and the bolt cavity 17 cooperate to limit the translation of the limiting ring 16, so that the positioning bolt 12 can only be rotatably mounted in the bolt cavity 17. The rod 14 of the positioning bolt 12 and the limiting block 15 extend into the limiting sliding groove 10. The limiting block 15 is provided with a plurality of limiting grooves 24 matching the limiting edges 11 for embedding. The positioning bolt 12 drives the limiting block 15 to move towards the bottom of the limiting sliding groove 10 and causes the limiting edges 11 to be embedded in the limiting grooves 24, thereby limiting the sliding of the synchronous wheel 5 through the cooperation of the limiting edges 11 and the limiting grooves 24.

[0026] The transmission belt structure provided in the embodiment is installed in a feeding frame for use. During installation, the positioning bolt 12 can be loosened through the second tightening groove 22 to drive the limiting block 15 away from the bottom of the limiting sliding groove 10, so that the limiting edges 11 are separated from the limiting grooves 24. At this time, the synchronous wheel 5 can be moved axially for adjustment. When the synchronous wheel 5 is moved to a suitable position, the positioning bolt 12 is reversely tightened through the second tightening groove 22 to drive the limiting block 15 close to the bottom of the limiting sliding groove 10, so that the limiting edges 11 are embedded in the limiting grooves 24, thereby preventing the synchronous wheel 5 from moving axially, and achieving the limiting and fixing of the synchronous wheel 5.

[0027] In the embodiment, the limiting cover 20 can be tightened through the first tightening groove 23, so as to be disassembled or assembled, thereby achieving the disassembly and assembly of the positioning bolt 12.

[0028] Embodiment Two:

[0029] The embodiment differs from the embodiment one in that the arrangement mode of the conveying units 2 is different, two groups of conveying units 2 are arranged in front and back, and the conveying distance is increased.

[0030] The above-described embodiments only express one embodiment of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A conveyor belt structure for a loading rack of a tube laser cutting equipment, characterized in that, It includes a power assembly (1) and several sets of conveying units (2). Each set of conveying units (2) includes a drive shaft (4) that is rotatably mounted on the loading rack. A conveyor belt (6) is laid on the drive shaft (4). A synchronous wheel (5) is also mounted on the drive shaft (4) that can move and adjust along the axial direction. The synchronous wheels (5) of all conveying units (2) are connected to each other through the same synchronous belt (7) and are simultaneously connected to the power assembly (1). The power assembly (1) drives all conveying units (2) to move synchronously.

2. The conveyor belt structure of the loading rack for a tube laser cutting equipment according to claim 1, characterized in that, The drive shaft (4) is provided with a limiting groove (10), and the synchronous wheel (5) is coaxially sleeved on the drive shaft (4). A positioning bolt (12) is installed on the synchronous wheel (5) extending radially, and the positioning bolt (12) extends into the limiting groove (10) and cooperates with the limiting groove (24) to restrict the sliding of the synchronous wheel (5).

3. The conveyor belt structure of the loading rack for a tube laser cutting equipment according to claim 2, characterized in that, The limiting groove (10) is provided with several limiting ridges (11) evenly distributed along the axial direction of the transmission shaft (4). The positioning bolt (12) is threadedly connected to the limiting block (15). The limiting block (15) is provided with several limiting grooves (24) that match and are embedded in the limiting ridges (11).

4. The conveyor belt structure of the loading rack for a tube laser cutting equipment according to claim 3, characterized in that, The synchronous pulley (5) is provided with a receiving cavity (19) for accommodating the limiting block (15).

5. The conveyor belt structure of the loading rack for a tube laser cutting equipment according to claim 3, characterized in that, The positioning bolt (12) includes an integrally formed head (13) and a rod (14). The rod (14) is threaded and connected to the limiting block (15) by the thread. A limiting ring (16) with a diameter larger than that of the head (13) and the rod (14) is provided between the head (13) and the rod (14). The outer side of the synchronous wheel (5) is provided with a bolt cavity (17) that extends radially and matches the size of the limiting ring (16). The bottom of the bolt cavity (17) is provided with a first through hole (18) that matches the size of the rod (14). A limiting cover (20) is also fixedly installed on the outer side of the bolt cavity (17). The limiting cover (20) and the bolt cavity (17) cooperate to restrict the translation of the limiting ring (16). The positioning bolt (12) is rotatably installed into the bolt cavity (17).

6. The conveyor belt structure of the loading rack for a tube laser cutting equipment according to claim 5, characterized in that, The limiting cover (20) is provided with a second through hole (21) that matches the size of the head (13) of the positioning bolt (12). The head (13) passes through the second through hole (21). The limiting cover (20) is connected to the bolt cavity (17) by a thread. The head (13) of the positioning bolt (12) is provided with a second turning groove (22) for turning the positioning bolt (12). The limiting cover (20) is provided with a first turning groove (23) for turning the limiting cover (20).

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