A belt conveyor for an electric vehicle production plant

Abstract

The application provides a belt conveyor for electric vehicle production workshop, and relates to the technical field of belt conveyors. The belt conveyor for electric vehicle production workshop comprises a rack, a rolling seat mechanism, a conveying belt transmission mechanism and a mobile tension adjusting mechanism. The outer cylinder is externally provided with an axially extending scale line I, the inner cylinder is externally provided with an annularly extending scale line II, the tail ring outer cylinder tail end is rotationally matched, the inner cylinder is internally fixedly provided with a movable block, the movable block is internally provided with an inner thread I and an inner thread II at both ends respectively, the inner thread I and the inner thread II are different in radial dimension and are connected, and the screw rods are respectively screw-connected with the inner thread I and the inner thread II. The inner thread II and the outer thread II are matched to more accurately adjust the resetting and movement of the conveying belt to the central position in the process of non-stop rolling. The scale line II and the scale line I are used for comparing the tension distance between the inner cylinder and the outer cylinder during tension adjustment, so that the resetting and central adjustment of the conveying belt are more rapid.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of belt conveyors, in particular to a belt conveyor for electric vehicle production workshops. BACKGROUND

[0002] In an electric vehicle production workshop, a belt conveyor is a high-efficiency and reliable material conveying device, which is widely used in the conveying links of batteries, motors, electric control systems and vehicle body parts.

[0003] A belt conveyor mainly consists of a rack, a conveying belt, a roller, a driving device, a tensioning device and other components. The tensioning device in the belt conveyor can adjust the conveying belt to maintain appropriate tension. That is, the conveying belt will be affected by external forces such as stretching, compression and bending during the transmission of materials, and the tensioning device can maintain appropriate tension of the conveying belt to prevent the conveying belt from slipping, twisting and breaking due to insufficient or excessive tension.

[0004] When the conveying belt deviates along the axial position of the roller, the deviation can be adjusted by rotating the adjusting bolt in the tensioning device. The specific adjustment method is to adjust the tensioning device near one end of the side frame of the conveying belt, rotate the adjusting nut in the tensioning device to tighten the roller at this end of the roller, or rotate the adjusting nut of the tensioning device at the other end of the roller to loosen the other end of the roller, so that the conveying belt gradually resets to the middle region of the roller during movement, and the excess amount between the two ends of the roller and the conveying belt remains consistent. However, the traditional method of adjusting by rotating the nut has no scale display, so it is difficult to accurately and quickly adjust the conveying belt to the central position of the roller according to the deviation of the end of the conveying belt during adjustment. When the adjusting amount of the nut is small, the conveying belt moves slowly and cannot be centered on the outside of the roller. When the adjusting amount of the nut is large, the conveying belt gradually deviates to the other end of the roller during movement. SUMMARY

[0005] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application provides a belt conveyor for electric vehicle production workshops to solve the problem that the tensioning device of the existing belt conveyor is difficult to accurately and quickly adjust the conveying belt to the central position of the roller according to the deviation of the end of the conveying belt.

[0006] According to the belt conveyor for electric vehicle production workshops of the embodiments of the present application, the belt conveyor comprises a rack, a rolling seat frame mechanism, a conveying belt transmission mechanism and a mobile tensioning adjustment mechanism.

[0007] The rolling seat frame mechanism is installed on the top of the rack, the conveying belt transmission mechanism is located outside the rolling seat frame mechanism to convey workpieces, and the mobile tensioning adjustment mechanism is connected to the roller at the end of the tensioning adjustment rolling seat frame mechanism.

[0008] The mobile tension adjusting mechanism comprises an outer cylinder, an inner cylinder, a tail ring and a screw rod, the front section of the outer cylinder is sleeved outside the inner cylinder, the outer part of the outer cylinder is provided with an axially extending scale line I, the outer part of the inner cylinder is provided with an annularly extending scale line II, the tail ring is rotationally fitted at the tail end of the outer cylinder, the end part of the roller is rotationally provided with a seat plate, the tail ring is fixedly provided with the seat plate through a fixing part, the front end of the inner cylinder is fixed with the side frame in the rolling seat frame mechanism through a fixing block, a through opening is formed in the side part of the side frame, the inner part of the outer cylinder is fixedly provided with a movable block, the inner part of the movable block is provided with an inner thread I and an inner thread II with different radial dimensions and being connected, the front end of the screw rod is fixedly provided with the end part of the inner cylinder, and the screw rod is screwedly connected with the inner thread I and the inner thread II.

[0009] Preferably, the screw rod comprises a rod section I and a rod section II connected in sequence, and the rod section I and the outer thread I of the outer part of the rear section are respectively provided with the outer thread I and the outer thread II matched with the inner thread I and the inner thread II.

[0010] Preferably, the rolling seat frame mechanism further comprises a supporting plate, and the supporting plate is integrally formed with the side frames on both sides.

[0011] Preferably, a strip groove is formed in the side part of the side frame, a fixed bolt is arranged outside the seat plate, and the rod of the fixed bolt is slidably fitted through the strip groove.

[0012] Preferably, the conveying belt transmission mechanism comprises a conveying belt, a driving assembly and a tensioning roller, the tensioning roller is rotationally installed on the inner side of the rack, the conveying belt is enclosed outside the roller, the tensioning roller is used to compress the conveying belt, and the driving assembly is installed on the side part of the rack to drive the movement of the conveying belt.

[0013] Preferably, a protective shell is arranged outside the driving assembly, and the protective shell is connected with the rack.

[0014] Preferably, a convex strip is arranged inside the conveying belt, and a groove is arranged outside the roller and matched with the movement of the convex strip.

[0015] Preferably, the convex strip is arranged in two strips, and the cross section of the convex strip is isosceles trapezoidal structure matched with the groove.

[0016] The belt conveyor for the electric vehicle production workshop further comprises a workpiece guiding mechanism, the workpiece guiding mechanism comprises guiding plates, stands and connecting rods, the stands are fixedly installed on the side parts of the side frames, the connecting rods connect the guiding plates and the stands, and the two guiding plates limit the conveyed workpieces.

[0017] Preferably, an open guiding structure is arranged at one end of the guiding plate.

[0018] Preferably, the fixed part is a lubricating oil storage adding mechanism, which comprises a storage box, a partition plate, a piston plate and a connecting part, the storage box is fixedly installed on the base plate through fixing bolts, the tail ring is fixedly connected with one end of the storage box, the partition plate is installed in the storage box to separate a lubricating oil storage cavity, the piston plate is slidably arranged inside the lubricating oil storage cavity, the connecting part connects the tail end of the rod segment II and the piston plate, and the lubricating oil outlet in the storage box is coated to the bearing at the end of the roller through the oil injection pipe part.

[0019] Preferably, the oil injection pipe part is an oil injection fine coating assembly, which comprises a support, an annular convex shell, an oil outlet pipe I and an oil outlet pipe II, the support is arranged on the inner side of the base plate, the annular convex shell is located on the inner side of the support, and the annular convex shell is movably clamped into the end recessed ring area of the end of the bearing at the end of the roller, the end face of the annular convex shell close to the bearing is provided with an oil outlet hole, one end of the oil outlet pipe I and the oil outlet pipe II are communicated with the annular convex shell, the other end of the oil outlet pipe I is communicated with the lubricating oil storage cavity on one side of the piston plate, the other end of the oil outlet pipe II is communicated with the lubricating oil storage cavity on the other side of the piston plate, a one-way valve I is installed on the oil outlet pipe I, and a one-way valve II is installed on the oil outlet pipe II.

[0020] Preferably, the lubricating oil storage adding mechanism further comprises a main oil injection pipe and an oil injection branch pipe, the oil injection branch pipe is communicated with the lubricating oil storage cavities on both sides of the piston plate, the tail end of the main oil injection pipe is communicated with the oil injection branch pipe, and a one-way valve III is installed on the outer part of the main oil injection pipe.

[0021] Preferably, the connecting part comprises a guide rod, a wedge block I, a wedge block II, a guide block and an elastic piece, one end of the guide rod is movably penetrated through the tail ring, the outer cylinder and the rod segment II, the other end of the guide rod is fixedly provided with the wedge block I, the wedge block I, the wedge block II and the guide block are in contact and matched with each other inside the storage box to form a two-stage displacement reduction structure, the elastic piece connects the wedge block II and the storage box, another set of elastic pieces connect the piston plate and the inner wall of the storage box away from the partition plate, and the guide block is slidably penetrated through the partition plate and fixedly provided with the piston plate.

[0022] Preferably, the elastic piece comprises a block plate, a spring and a limiting rod, the block plate is connected with the wedge block II, one end of the limiting rod is connected with the block plate, the other end of the limiting rod is slidably penetrated through the side wall of the storage box, and the spring is sleeved outside the limiting rod between the block plate and the inner wall of the storage box.

[0023] The beneficial effects of the present application are: the electric vehicle production workshop belt conveyor obtained through the above design can quickly adjust the distance between the inner cylinder and the outer cylinder through the cooperation of the large-pitch external thread I and the internal thread I, complete the quick tensioning of the conveying belt, and then reduce the adjusted distance by rotating the outer cylinder one turn through the cooperation of the internal thread II and the external thread II, so that the conveying belt can be more accurately adjusted to reset and move to the center position in the process of continuous rolling. The scale line II outside the inner cylinder and the scale line I outside the outer cylinder can be used to compare the tensioning distance between the inner cylinder and the outer cylinder in the tensioning adjustment mechanism on both sides of the side frame. This can ensure that the conveying belt is reset and adjusted to the center position more quickly and more accurately and quickly compared with the traditional nut rotation adjustment method.

[0024] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments of the present application will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 is a structural schematic diagram of the electric vehicle production workshop belt conveyor according to the embodiments of the present application;

[0027] Figure 2 is a structural schematic diagram of the rolling seat frame machine and the movable tensioning adjustment mechanism according to the embodiments of the present application;

[0028] Figure 3 is a partial structural schematic diagram of the side frame and the supporting plate according to the embodiments of the present application;

[0029] Figure 4 is a structural schematic diagram of the roller and the conveying belt transmission mechanism according to the embodiments of the present application;

[0030] Figure 5 is a structural schematic diagram of the roller, the bearing and the conveying belt cooperation structure according to the embodiments of the present application;

[0031] Figure 6 is a structural schematic diagram of the workpiece guiding mechanism according to the embodiments of the present application;

[0032] Figure 7 is a structural schematic diagram of the roller, the movable tensioning adjustment mechanism and the lubricating oil storage and addition mechanism according to the embodiments of the present application;

[0033] Figure 8 is the structure diagram of the mobile tension adjusting mechanism, the lubricating oil storage adding mechanism and the oil injection finishing assembly according to the embodiment of the application;

[0034] Figure 9 is the internal structure diagram of the mobile tension adjusting mechanism according to the embodiment of the application;

[0035] Figure 10 is the internal structure diagram of the lubricating oil storage adding mechanism and the oil injection finishing assembly according to the embodiment of the application;

[0036] Figure 11 is the structure diagram of the oil injection finishing assembly according to the embodiment of the application.

[0037] Reference signs:

[0038] 1, frame; 11, shroud shell; 2, rolling seat mechanism; 21, side frame; 22, supporting plate; 23, roller; 231, groove; 232, bearing; 24, seat plate; 25, through opening; 26, slot; 3, conveying belt driving mechanism; 31, conveying belt; 32, driving assembly; 33, tension roller; 34, convex strip; 4, mobile tension adjusting mechanism; 41, outer cylinder; 411, scale mark I; 42, inner cylinder; 421, scale mark II; 43, fixed block; 44, tail ring; 45, screw rod; 451, rod section I; 452, external thread I; 453, rod section II; 454, external thread II; 46, movable block; 461, internal thread I; 462, internal thread II; 5, workpiece guiding mechanism; 51, guiding plate; 52, stand; 53, connecting rod; 6, lubricating oil storage adding mechanism; 61, storage box; 62, partition plate; 63, piston plate; 64, connecting part; 641, guide rod; 642, wedge-shaped block I; 643, wedge-shaped block II; 644, guide block; 645, elastic member; 6451, block plate; 6452, spring; 6453, limiting rod; 651, main oil injection pipe; 652, oil injection branch pipe; 653, one-way valve III; 7, oil injection finishing assembly; 71, support; 72, annular convex shell; 73, oil outlet hole; 74, oil outlet pipe I; 741, one-way valve I; 75, oil outlet pipe II; 751, one-way valve II. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the application will be described below with reference to the drawings.

[0040] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0041] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0042] A belt conveyor for an electric vehicle production workshop according to an embodiment of the present application is described below with reference to the drawings.

[0043] Please refer to Figures 1-9 A belt conveyor for an electric vehicle production workshop according to an embodiment of the present application, comprising: a rack 1, a rolling seat mechanism 2, a conveyor belt transmission mechanism 3 and a mobile tension adjusting mechanism 4.

[0044] The mobile tension adjusting mechanism 4 adopts different threads inside and their corresponding matching structures, and realizes quick and accurate adjustment and reset of the offset amount of the end of the conveyor belt 31 in the belt conveyor device along the axis of the roller 23 to the central position by corresponding scale marking.

[0045] The rolling seat mechanism 2 is installed on the top of the frame 1, and the conveying belt driving mechanism 3 is located outside the rolling seat mechanism 2 to convey the workpiece. The movable tension adjusting mechanism 4 is connected to the roller 23 at the end of the rolling seat mechanism 2. The movable tension adjusting mechanism 4 includes an outer cylinder 41, an inner cylinder 42, a tail ring 44, and a screw rod 45. The front end of the outer cylinder 41 is sleeved on the outside of the inner cylinder 42, and the outer cylinder 41 is provided with an axially extending scale line Ⅰ 411 on the outside, and the inner cylinder 42 is provided with an annular scale line Ⅱ 421 on the outside. The tail ring 44 is rotationally connected with the tail end of the outer cylinder 41, and the end of the roller 23 is rotationally provided with a seat plate 24, and the tail ring 44 is fixedly arranged with the seat plate 24 through a fixing part. The front end of the inner cylinder 42 is fixedly arranged with the side frame 21 in the rolling seat mechanism 2 through a fixing block 43, and the side frame 21 is provided with a through hole 25 on the side. The inner cylinder 41 is fixedly provided with a movable block 46 inside, and the movable block 46 is provided with an inner thread Ⅰ 461 and an inner thread Ⅱ 462 with different diameters and connected with each other at the two ends inside. The screw rod 45 is fixedly arranged with the inner cylinder 42 at the end of the inner wall, and the screw rod 45 is screw-connected with the inner thread Ⅰ 461 and the inner thread Ⅱ 462 respectively. The screw rod 45 includes a rod segment Ⅰ 451 and a rod segment Ⅱ 453 connected in sequence. The rod segment Ⅰ 451 and the outer thread Ⅰ 452 are provided with an outer thread Ⅰ 452 and an outer thread Ⅱ 454 matched with the inner thread Ⅰ 461 and the inner thread Ⅱ 462 respectively on the outside of the rear end.

[0046] When adjusting the conveying belt 31 offset outside the roller 23, when the tension of the conveying belt 31 is moderate, the movable tension adjusting mechanism 4 on one side of the conveying belt 31 can be adjusted. The specific adjustment method is: rotating the outer cylinder 41 through the through hole 25 on the side of the side frame 21, and rotating the outer cylinder 41 to drive the movable block 46 inside to rotate synchronously, and adjusting the relative length between the inner cylinder 42 and the outer cylinder 41 through the screw connection between the movable block 46 and the screw rod 45 to adjust the tension of the conveying belt 31. Among them, the outer thread Ⅰ 452 and the inner thread Ⅰ 461 are matched as threads with smaller diameter and larger pitch; the outer thread Ⅱ 454 and the inner thread Ⅱ 462 are matched as threads with larger diameter and smaller pitch. The outer thread Ⅰ 452 and the inner thread Ⅰ 461 with larger pitch are matched to quickly adjust the relative distance between the inner cylinder 42 and the outer cylinder 41, that is, to quickly tension and adjust the conveying belt 31 between the supporting rollers 23. The inner thread Ⅰ 461 and the inner thread Ⅱ 462 inside the movable block 46 are connected, and when the screw connection between the inner thread Ⅰ 461 in the movable block 46 and the outer thread Ⅰ 452 on the outside of the rod segment Ⅰ 451 is completed, the inner thread Ⅱ 462 inside the movable block 46 and the outer thread Ⅱ 454 on the outside of the rod segment Ⅱ 453 are initially screw-connected.

[0047] In the normal use of mobile tension adjustment mechanism 4 tension adjustment, preferably the implementation of the inner thread II 462 in the movable block 46 and the outer thread II 454 has been in the screw connection. So when rotating the outer cylinder 41, the outer thread I 452 with larger pitch and the inner thread I 461 can realize the fast adjustment of the distance between the inner cylinder 42 and the outer cylinder 41, complete the fast tension of the conveyor belt 31, and then reduce the distance adjusted by rotating the outer cylinder 41 one round through the cooperation of the inner thread II 462 and the outer thread II 454, which can realize more accurate adjustment of the conveyor belt 31 in the process of not stopping rolling to reset and move to the center position.

[0048] The scale II 421 on the outside of the inner cylinder 42 and the annular scale I 411 on the outside of the outer cylinder 41 can be used to compare the tension distance between the inner cylinder 42 and the outer cylinder 41 adjusted in the tension adjustment mechanism 4 on both sides of the side frame 21, to ensure that the conveyor belt 31 is reset and adjusted more quickly. The specific comparison adjustment method is: before the initial installation and use of the belt conveyor device, adjust and record the scale II 421 and the scale I 411 in each mobile tension adjustment mechanism 4. The scale I 411 is preferably divided into 10, 20 or 50 equal parts, and at least one mark is made on the grid line, or multiple marks are made. By rotating the outer cylinder 41 one round and cooperating with the corresponding scale II 421, the axial movement distance corresponding to one round of rotation of the outer cylinder 41 in the inner thread I 461 and the inner thread II 462 can be known. According to this movement distance, the offset condition of the conveyor belt 31 at the end of the drum 23 can be recorded and converted into the offset amount of the conveyor belt 31 when adjusting and moving, and the adjustment is more accurate. That is, under the condition of pre-adjusting the device with the record, according to the offset amount of the conveyor belt 31 at the end of the drum 23, the outer cylinder 41 can be rotated to the corresponding scale position more accurately and quickly through the cooperation of the scale II 421 and the scale I 411, that is, the conveyor belt 31 can be reset and adjusted quickly, which is more accurate and faster than the original nut rotation adjustment method.

[0049] Further, please refer to Figure 2 、 Figure 3 、 Figure 7 , the rolling seat frame mechanism 2 further comprises a supporting plate 22, which is integrally punched and bent with the two side frames 21. The supporting plate 22 is used to support the upper conveyor belt 31. The side frame 21 is provided with a slot 26 on the side, and the fixed bolt outside the seat plate 24 is slidably matched with the rod of the fixed bolt through the slot 26. That is, when adjusting the mobile tension adjustment mechanism 4, the mobile tension adjustment mechanism 4 drives the seat plate 24 to move smoothly along the side frame 21.

[0050] In the above specific embodiments, please refer to Figure 1 and Figure 4The conveying belt driving mechanism 3 comprises a conveying belt 31, a driving assembly 32, and a tension roller 33. The tension roller 33 is rotatably installed inside the frame 1, the conveying belt 31 is enclosed outside the roller 23, the tension roller 33 presses the conveying belt 31, and the driving assembly 32 is installed at the side of the frame 1 to drive the conveying belt 31 to move.

[0051] Specifically, the driving assembly 32 is externally provided with a shroud shell 11, the shroud shell 11 is connected with the frame 1, and the shroud shell 11 is used to protect the driving assembly 32 and the tension roller 33.

[0052] In particular, please refer to Figure 4 and Figure 5 The inner side of the conveying belt 31 is provided with a convex strip 34, and the outer side of the roller 23 is provided with a groove 231 matched with the movement of the convex strip 34. The convex strip 34 is provided with two strips, and the cross section of the convex strip 34 is isosceles trapezoidal structure matched with the groove 231. The cooperation of the isosceles trapezoidal convex strip 34 and the groove 231 can reduce the deviation of the conveying belt 31. However, in this embodiment, the production requirements and costs of the conveying belt 31 are relatively high.

[0053] Please refer to Figure 1 and Figure 6 The belt conveyor for the electric vehicle production workshop further comprises a workpiece guiding mechanism 5, the workpiece guiding mechanism 5 comprises a guiding plate 51, a stand 52, and a connecting rod 53, the stand 52 is fixedly installed at the side of the side frame 21, the connecting rod 53 connects the guiding plate 51 and the stand 52, and two guiding plates 51 limit the conveyed workpieces. One end of the guiding plate 51 is provided with an open guiding structure. The guiding plate 51, the stand 52, and the connecting rod 53 in the workpiece guiding mechanism 5 are matched to guide the workpieces conveyed above the conveying belt 31.

[0054] The bearing 232 at the end of the roller 23 of the belt conveying device is subject to lubricating oil loss during long-term use, and needs to be added with lubricating oil regularly. The conveying belt 31 is also prone to deviation during long-term use of the belt device, and needs to be adjusted regularly. If the lubricating oil can be added to the bearing 232 synchronously during the deviation adjustment of the conveying belt 31, the time and labor used for device maintenance can be reduced.

[0055] In the above specific embodiments, please refer to Figure 10 Figure 11The fixed part is a lubricating oil storage and adding mechanism 6, which comprises a storage box 61, a partition plate 62, a piston plate 63 and a connecting part 64. The storage box 61 is fixedly installed on the seat plate 24 by fixing bolts, and the tail ring 44 is fixedly connected to one end of the storage box 61. The partition plate 62 is installed in the storage box 61 to separate a lubricating oil storage cavity, and the piston plate 63 is slidably arranged inside the lubricating oil storage cavity. The connecting part 64 connects the tail end of the rod segment II 453 and the piston plate 63. The lubricating oil outlet in the storage box 61 is partially coated to the bearing 232 at the end of the roller 23 through an oil injection pipe. The oil injection pipe part is an oil injection and coating assembly 7, which comprises a support 71, an annular convex shell 72, an oil outlet pipe I 74 and an oil outlet pipe II 75. The support 71 is arranged on the inner side of the seat plate 24, and the annular convex shell 72 is located on the inner side of the support 71. The annular convex shell 72 is movably clamped into the end recessed ring area of the end bearing 232 of the roller 23. The end surface of the annular convex shell 72 close to the bearing 232 is provided with an oil outlet hole 73. One end of the oil outlet pipe I 74 and the oil outlet pipe II 75 is communicated with the annular convex shell 72. The other end of the oil outlet pipe I 74 is communicated with the lubricating oil storage cavity on one side of the piston plate 63, and the other end of the oil outlet pipe II 75 is communicated with the lubricating oil storage cavity on the other side of the piston plate 63. A one-way valve I 741 is installed on the oil outlet pipe I 74, and a one-way valve II 751 is installed on the oil outlet pipe II 75.

[0056] The specific steps of synchronously adding lubricating oil when adjusting the mobile tension adjusting mechanism 4 are as follows: by rotating the outer cylinder 41, the offset conveying belt 31 is reset and centered by quickly adjusting the thread cooperation of the inner movable block 46 of the outer cylinder 41. When the outer cylinder 41 drives the movable block 46 to rotate, the rotating outer cylinder 41 synchronously drives the outer cylinder 41, the tail ring 44 and the storage box 61 to move along the axial direction. The moving storage box 61 moves relative to the stationary connecting part 64, and the piston plate 63 extrudes the lubricating oil in the lubricating oil storage cavity on any one side. The lubricating oil in the lubricating oil storage cavity can enter the annular convex shell 72 through the oil outlet pipe I 74 and the oil outlet pipe II 75, respectively. The lubricating oil in the annular convex shell 72 is directly and accurately injected into the ball bearing 232 at the end of the roller 23 through the oil outlet hole 73 at the end, so as to realize the adjustment of the conveying belt 31 to be centered and the synchronous and accurate addition of the lubricating oil. No additional lubricating oil adding operation is needed, and the device maintenance efficiency is improved.

[0057] During the process of rotating the outer cylinder 41 to adjust the offset and reset the conveying belt 31 to be centered, the rotating outer cylinder 41 drives the movable block 46 to rotate, and the relative movement between the storage box 61 and the connecting part 64 is promoted by the cooperation of the inner thread II 462 and the outer thread II 454 in the movable block 46 to extrude the lubricating oil. This screw extrusion mode makes the moving offset of the storage box 61 relatively small, and the lubricating oil finally extruded from the oil outlet hole 73 will not be too much. The lubricating oil can be accurately coated, and unnecessary waste of lubricating oil is also reduced.

[0058] Specifically, the lubricating oil storage adding mechanism 6 further comprises a main oil injection pipe 651 and an oil injection branch pipe 652, the two ends of the oil injection branch pipe 652 are respectively arranged in communication with the lubricating oil storage cavities on both sides of the piston plate 63, the tail end of the main oil injection pipe 651 is arranged in communication with the oil injection branch pipe 652, and a one-way valve III 653 is mounted outside the main oil injection pipe 651. That is, lubricating oil can be added to the lubricating oil storage cavities inside the storage box 61 through the main oil injection pipe 651 and the oil injection branch pipe 652.

[0059] The addition of lubricating oil can be performed while the outer cylinder 41 is adjusted to reset the center of the conveying belt 31, and if the lubricating oil can be added in a small amount, the extrusion use efficiency of the lubricating oil can be further improved.

[0060] In a specific arrangement, the connecting part 64 comprises a guide rod 641, a wedge block I 642, a wedge block II 643, a guide block 644, and an elastic member 645. One end of the guide rod 641 is movably penetrated through the tail ring 44, the outer cylinder 41, and the rod segment II 453, the other end of the guide rod 641 is fixedly arranged with the wedge block I 642, the wedge block I 642, the wedge block II 643, and the guide block 644 are in contact and cooperation with each other inside the storage box 61 to form a two-stage displacement reduction structure, the elastic member 645 connects the wedge block II 643 and the storage box 61, and the other set of elastic members 645 connects the piston plate 63 and the inner wall of the side of the storage box 61 away from the partition plate 62, and the guide block 644 is slidably penetrated through the partition plate 62 and fixedly arranged with the piston plate 63.

[0061] During the adjustment of the outer cylinder 41 to reset the center of the conveying belt 31, the rotating outer cylinder 41 drives the movable block 46 to rotate, and the storage box 61 is moved through the cooperation of the internal thread II 462 of the movable block 46 and the external thread II 454. Due to the cooperation of the wedge block I 642, the wedge block II 643, and the guide block 644, the movement amount of the piston plate 63 pushed by the guide block 644 can be reduced. That is, the piston plate 63 has a smaller deviation inside the lubricating oil storage cavity. Each time the piston plate 63 is deviated by rotating the outer cylinder 41, a smaller amount of lubricating oil can be extruded to be applied to the rolling balls of the end bearing 232 of the roller 23 through the oil outlet hole 73.

[0062] Specifically, the elastic member 645 comprises a block plate 6451, a spring 6452, and a limiting rod 6453. The block plate 6451 is connected with the wedge block II 643, one end of the limiting rod 6453 is connected with the block plate 6451, the other end of the limiting rod 6453 is slidably penetrated through the side wall of the storage box 61, and the spring 6452 is sleeved outside the limiting rod 6453 between the block plate 6451 and the inner wall of the storage box 61. The spring 6452 is used to elastically support the wedge block II 643 and the piston plate 63, and when the relative distance between the outer cylinder 41 and the inner cylinder 42 is reduced, the spring 6452 can play a resetting role.

[0063] The above merely provides an example of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0064] The above merely provides an example of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0064] The above merely provides an example of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

Claims

1. A belt conveyor for an electric vehicle production workshop, characterized in that, include: The machine frame (1), the rolling seat mechanism (2), the conveyor belt drive mechanism (3) and the movable tension adjustment mechanism (4) are installed on the top of the machine frame (1), the conveyor belt drive mechanism (3) is located outside the rolling seat mechanism (2) to transport the workpiece, and the movable tension adjustment mechanism (4) is connected to the roller (23) at the middle end of the tension adjustment rolling seat mechanism (2). The movable tension adjustment mechanism (4) includes an outer cylinder (41), an inner cylinder (42), a tail ring (44), and a screw (45). The front section of the outer cylinder (41) is slidably sleeved on the outside of the inner cylinder (42). The outer cylinder (41) is provided with annularly extending scale lines I (411) on the outside, and the inner cylinder (42) is provided with axially extending scale lines II (421) on the outside. The tail ring (44) is rotatably engaged with the tail end of the outer cylinder (41). The end of the roller (23) is rotatably provided with a seat plate (24). The tail ring (44) is fixedly mounted to the seat plate (24) by a fixing part. The front end of the inner cylinder (42) is fixed to the side frame (21) in the rolling seat mechanism (2) by a fixing block (43). The side frame (21) has an opening (25) on its side. The outer cylinder (41) is fixedly provided with a movable block (46). The two ends of the movable block (46) are respectively provided with internal threads I (461) and internal threads II (462) with different radial dimensions and connected. The front end of the screw (45) is fixedly provided with the inner wall of the end of the inner cylinder (42), and the screw (45) is screwed to the internal threads I (461) and internal threads II (462) respectively. The screw (45) includes a rod segment I (451) and a rod segment II (453) connected in sequence, and the outer rear sections of the rod segment I (451) and the external thread I (452) are respectively provided with external thread I (452) and external thread II (454) that cooperate with internal thread I (461) and internal thread II (462); The fixed part is a lubricating oil storage and adding mechanism (6). The lubricating oil storage and adding mechanism (6) includes a storage box (61), a partition (62), a piston plate (63), and a connecting part (64). The storage box (61) is fixedly installed to the seat plate (24) by fixing bolts. The tail ring (44) is fixedly connected to one end of the storage box (61). The partition (62) is installed inside the storage box (61) to separate a lubricating oil storage cavity. The piston plate (63) is slidably disposed inside the lubricating oil storage cavity. The connecting part (64) connects the tail end of the rod segment II (453) and the piston plate (63). The lubricating oil outlet in the storage box (61) is coated with oil to the bearing (232) at the end of the roller (23) through the oil injection pipe.

2. The belt conveyor for an electric vehicle production workshop according to claim 1, characterized in that, The rolling seat mechanism (2) also includes a support plate (22), which is integrally formed with the side frames (21) on both sides.

3. The belt conveyor for an electric vehicle production workshop according to claim 1, characterized in that, The side frame (21) has a groove (26) on its side, and a fixing bolt is provided on the outside of the seat plate (24). The rod of the fixing bolt slides through the groove (26).

4. A belt conveyor for an electric vehicle production workshop according to claim 1, characterized in that, The conveyor belt drive mechanism (3) includes a conveyor belt (31), a drive assembly (32), and a tension roller (33). The tension roller (33) is rotatably mounted inside the frame (1). The conveyor belt (31) surrounds the outside of the drum (23). The tension roller (33) presses the conveyor belt (31). The drive assembly (32) is mounted on the side of the frame (1) to drive the conveyor belt (31) to move.

5. A belt conveyor for an electric vehicle production workshop according to claim 4, characterized in that, The drive assembly (32) is provided with a protective cover (11) on the outside, and the protective cover (11) is connected to the frame (1).

6. A belt conveyor for an electric vehicle production workshop according to claim 4, characterized in that, The inner side of the conveyor belt (31) is provided with a protrusion (34), and the outer side of the roller (23) is provided with a groove (231) that cooperates with the movement of the protrusion (34).

7. A belt conveyor for an electric vehicle production workshop according to claim 6, characterized in that, The protrusion (34) is provided in pairs, and the cross section of the protrusion (34) is an isosceles trapezoidal structure that matches the groove (231).

8. A belt conveyor for an electric vehicle production workshop according to claim 1, characterized in that, It also includes a workpiece guiding mechanism (5), which includes a guide plate (51), a stand (52) and a connecting rod (53). The stand (52) is fixedly installed on the side of the side frame (21), and the connecting rod (53) connects the guide plate (51) and the stand (52). The two guide plates (51) limit the workpiece being transported.

9. A belt conveyor for an electric vehicle production workshop according to claim 8, characterized in that, The guide plate (51) has an open guide structure at one end.

10. A belt conveyor for an electric vehicle production workshop according to claim 1, characterized in that, The oil injection fitting is an oil injection coating assembly (7), which includes a support (71), an annular convex shell (72), an oil outlet pipe I (74), and an oil outlet pipe II (75). The support (71) is located inside the seat plate (24), and the annular convex shell (72) is located inside the support (71). The annular convex shell (72) is movably engaged in the end recessed annular area of ​​the end bearing (232) of the roller (23). The annular convex shell (72) is close to the bearing (232). An oil outlet hole (73) is provided on the end face. One end of the oil outlet pipe I (74) and the oil outlet pipe II (75) are connected to the annular convex shell (72). The other end of the oil outlet pipe I (74) is connected to the lubricating oil storage chamber on one side of the piston plate (63). The other end of the oil outlet pipe II (75) is connected to the lubricating oil storage chamber on the other side of the piston plate (63). A one-way valve I (741) is installed on the oil outlet pipe I (74), and a one-way valve II (751) is installed on the oil outlet pipe II (75).

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