Glass sheet conveying belt tensioning device

Abstract

The utility model relates to a glass sheet conveying belt tensioning device which comprises a conveying base frame, a driving wheel is connected to the conveying base frame in a rotating mode, and a driving source used for driving the driving wheel to rotate is further arranged on the conveying base frame. A conveying tail frame is arranged on the outer side of one end of the conveying base frame in the length direction in a sliding mode relative to the conveying base frame, a driven wheel is rotationally connected to the conveying tail frame, and a conveying belt is in transmission connection between the driving wheel and the driven wheel. The tensioning adjusting mechanism is arranged between the conveying base frame and the conveying tail frame and is used for changing the distance between the conveying base frame and the conveying tail frame, so that the tensioning degree of the conveying belt is adjusted; and the sliding connection mechanism is arranged between the conveying base frame and the conveying tail frame and is used for sliding connection of the conveying base frame and the conveying tail frame when the tension degree of the conveying belt is adjusted. The device can provide better adjustment and use stability, a special sliding connection mechanism is additionally arranged, the relative stability between the driving wheel and the driven wheel during tensioning adjustment can be further guaranteed, and lateral deviation is effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the transportation technical field of glass product in the manufacturing process, concretely relates to a glass sheet conveying belt tensioning device. BACKGROUND

[0002] In the glass manufacturing industry, nanocrystalline glass is a composite material glass composed of silicate and borate and other elements, and its composition is similar to ordinary glass, but the crystallinity is higher, and it is also called "microcrystalline glass". In the production process of microcrystalline glass, the conveying and transfer process of glass raw sheet will be involved, and a belt conveying device is often used. The traditional belt conveying device generally includes a driving wheel and a driven wheel, which are wound on the driving wheel and the driven wheel by the conveying belt and are tensioned, the driving wheel drives the conveying belt, and the driven wheel rotates with it to realize the conveying and transmission of the materials on the conveying belt. In the traditional belt conveying device, when the running speed of the driving wheel increases, the linear speed of the conveying belt increases, and with the extension of the service period, thermal deformation and thermal cracks will occur in some positions of the conveying belt. If the tension of the conveying belt is not adjusted, the tension of the conveying belt will reach the limit and break; if the adjustment is not timely and in place, the elastic deformation of the belt will also increase, and the relative position of the driving wheel and the driven wheel will change (commonly known as "running deviation"), which is easy to deviate, directly affects the position accuracy of the glass raw sheet on the conveying belt, and causes the suction cup and the glass raw sheet to be out of alignment when the robot grabs the glass raw sheet, which is easy to cause the glass raw sheet to fall or the suction cup to be damaged; when adjusting the tension of the conveying belt, the stability between the driving wheel and the driven wheel is not good (parallelism changes), such as some solutions disclosed in CN220366749U and CN208866920U, which separately stretch the wheel or the rotating shaft of the wheel, and the stability of the wheel during the adjustment process is not good, which also causes the belt to easily deviate between the driving wheel and the driven wheel, and the above problems occur. Further optimization and improvement are needed. SUMMARY

[0003] In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a glass sheet conveying belt tensioning device to avoid the problem of insufficient relative stability between the driving wheel and the driven wheel when adjusting the tension of the conveying belt, and to achieve the effects of adjustable tension, convenient adjustment and stable adjustment.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A glass sheet conveying belt tensioning device, comprising a conveying base frame, a driving wheel rotatably connected to the conveying base frame, a driving source for driving the driving wheel to rotate, a conveying tail frame slidably arranged on the outer side of one end of the conveying base frame in the length direction of the conveying base frame, a driven wheel rotatably connected to the conveying tail frame, and a conveying belt in transmission connection between the driving wheel and the driven wheel.

[0006] A tensioning adjusting mechanism arranged between the conveying base frame and the conveying tail frame, for changing the distance between the conveying base frame and the conveying tail frame, so as to adjust the tensioning degree of the conveying belt.

[0007] A sliding connection mechanism arranged between the conveying base frame and the conveying tail frame, for the sliding connection of the conveying base frame and the conveying tail frame when the tensioning degree of the conveying belt is adjusted.

[0008] Further improvement of the above technical solution, the sliding connection mechanism comprises a guide groove and a linear guide rail slidably arranged in the guide groove, and the length direction of the linear guide rail corresponds to the length direction of the conveying base frame.

[0009] The guide groove is arranged on the conveying base frame, one end of the linear guide rail is arranged on the conveying tail frame, and the other end is slidably arranged in the guide groove on the conveying base frame.

[0010] Or the guide groove is arranged on the conveying tail frame, one end of the linear guide rail is arranged on the conveying base frame, and the other end is slidably arranged in the guide groove on the conveying tail frame.

[0011] Further, the sliding connection mechanism comprises a guide groove and a linear guide rail slidably arranged in the guide groove, and the length direction of the linear guide rail corresponds to the length direction of the conveying base frame.

[0012] The guide grooves are arranged on the conveying base frame and the conveying tail frame respectively and arranged in line, the cross section of the linear guide rail corresponds to the cross section of the guide groove, and the two ends of the linear guide rail are slidably arranged in the guide grooves on the conveying base frame and the conveying tail frame respectively.

[0013] Further, the guide groove is a T-shaped groove or a dovetail groove.

[0014] Further, the linear guide rail is provided with a fastening screw on the transverse side, the fastening screw is threadedly connected to the linear guide rail and penetrates, and the head of the fastening screw is located on the outer side of the guide groove, so as to fix the linear guide rail by screwing the fastening screw to abut the inner wall of the corresponding guide groove.

[0015] Further, the fastening screw is arranged at two positions on the linear guide rail in the length direction, and the two positions are located at the two ends of the linear guide rail respectively.

[0016] Further, the number of the sliding connection mechanisms is two, and the two sliding connection mechanisms are symmetrically arranged on the two sides of the conveying base frame and the conveying tail frame.

[0017] Further, the tension adjusting mechanism comprises an adjusting bolt, one end of the adjusting bolt is screwed through the connecting tail frame and abuts on the end face of the tail frame towards the tail frame.

[0018] Further, a fastening nut is threadedly connected on the screw rod segment between the head of the adjusting bolt and the tail frame.

[0019] Further, the upper surfaces of the tail frame and the tail frame are respectively provided with parallel and opposite guard plates, the driving wheel, the driven wheel and the conveying belt are located between the parallel and opposite guard plates.

[0020] Compared with the prior art, the glass sheet conveying belt tensioning device has the following beneficial effects:

[0021] 1. The glass sheet conveying belt tensioning device of the utility model, the driving wheel and the driven wheel are respectively arranged on the tail frame and the tail frame, the tail frame and the tail frame have relatively greater mass, and better stability can be provided.

[0022] The sliding connection mechanism specially used for ensuring the stable sliding connection between the tail frame and the tail frame during the tension adjusting process of the conveying belt is additionally arranged, and the relative stability between the driving wheel and the driven wheel during the tension adjusting is further ensured, and side deviation is prevented.

[0023] 2. The glass sheet conveying belt tensioning device of the utility model, the sliding connection mechanism is convenient to manufacture and assemble; during use, the fastening screw at the tail frame end is preferably loosened, the tail frame and the tail frame are made to move away from each other by screwing the adjusting bolt, the conveying belt is further tensioned, and adjustment stability is convenient; after adjustment, the fastening nut and the fastening screw are locked, and the stability of normal operation can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of a glass sheet conveying belt tensioning device of an embodiment;

[0025] Figure 2 It is a sectional view of Figure 1

[0026] Figure 3 It is a sectional view of Figure 1 The tensioning device separately shows the adjustable sliding connection of the tail frame and the tail frame;

[0027] Among them, 11 is a driving wheel; 12 is a driven wheel; 13 is a conveying belt; 14 is a driving source; 15 is a tail frame; 16 is a linear guide rail; 17 is an adjusting bolt; 18 is a fastening nut; 19 is a tail frame; 20 is a fastening screw, 21 is a guard plate, 22 is a tension adjusting mechanism, 23 is a sliding connection mechanism. DETAILED DESCRIPTION ​

[0028] The specific embodiments of the utility model will be explained in further detail below with reference to the drawings.

[0029] Please see Figure 1 And Figure 2 , a glass sheet conveying belt tensioning device of a specific embodiment, comprising a conveying base frame 19, the conveying base frame 19 is rotatably connected with a driving wheel 11, the conveying base frame 19 is also provided with a driving source 14 for driving the driving wheel 11 to rotate, the outer side of the length direction of the conveying base frame 19 is slidably provided with a conveying tail frame 15 relative to the conveying base frame 19, the conveying tail frame 15 is rotatably connected with a driven wheel 12, the driving wheel 11 and the driven wheel 12 are transmissionally connected with a conveying belt 13, please see Figure 3 , the device also comprises a tensioning adjusting mechanism 22 arranged between the conveying base frame 19 and the conveying tail frame 15, for changing the distance between the conveying base frame 19 and the conveying tail frame 15, so as to adjust the tension of the conveying belt 13, and also comprises a sliding connection mechanism 23 arranged between the conveying base frame 19 and the conveying tail frame 15, for the stable sliding connection between the conveying base frame 19 and the conveying tail frame 15 when the tension of the conveying belt 13 is adjusted.

[0030] The glass sheet conveying belt tensioning device of the embodiment, the driving wheel 11 and the driven wheel 12 are arranged on the conveying base frame 19 and the conveying tail frame 15 respectively, the conveying base frame 19 and the conveying tail frame 15 have relatively larger mass, which can provide better stability, the sliding connection mechanism 23 specially used for ensuring the stable sliding connection between the conveying base frame 19 and the conveying tail frame 15 during the tensioning adjustment of the conveying belt 13 is additionally arranged, which further ensures the relative stability between the driving wheel 11 and the driven wheel 12 during the tensioning adjustment, and effectively prevents deviation.

[0031] The sliding connection mechanism 23 is not limited in particular, in one of the embodiments, the sliding connection mechanism 23 is a guide groove and a linear guide rail 16 slidably arranged in the guide groove, the length direction of the linear guide rail 16 corresponds to the length direction of the conveying base frame 19. Specifically, the guide groove can be arranged on the conveying base frame 19, one end of the linear guide rail 16 is arranged on the conveying tail frame 15, and the other end is slidably arranged in the guide groove on the conveying base frame 19, or the guide groove can be arranged on the conveying tail frame 15, one end of the linear guide rail 16 is arranged on the conveying base frame 19, and the other end is slidably arranged in the guide groove on the conveying tail frame 15. The form of the reliable guide groove matched with the guide rail can effectively ensure the sliding stability between the conveying base frame 19 and the conveying tail frame 15.

[0032] Please see Figure 1In the embodiment, the guide groove is arranged on the conveying base frame 19 and the conveying tail frame 15 respectively and is arranged in line, the cross section of the linear guide rail 16 corresponds to the cross section of the guide groove, and the two ends of the linear guide rail 16 are respectively arranged in the guide groove on the conveying base frame 19 and the conveying tail frame 15.

[0033] In this way, the linear guide rail 16 is separately machined, the guide groove is also machined on the conveying base frame 19 and the conveying tail frame 15, and then the three are assembled and connected in sliding mode, which is convenient for manufacturing.

[0034] Preferably, the guide groove is arranged in a structure form of a T-shaped groove or a dovetail groove in cross section, the linear guide rail 16 is correspondingly matched, has good limiting property, can be limited in multiple directions, and better guarantees the stability of the sliding process during adjustment.

[0035] The inner threaded hole is threaded connected with a screw, a fastening screw 20 of the lateral side of the linear guide rail 16 is formed, the length of the screw rod segment of the fastening screw 20 is greater than the axial length of the inner threaded hole, the head of the fastening screw 20 is located on the outside of the guide groove, and the inner end of the fastening screw 20 is abutted with the inner wall of the corresponding guide groove by screwing in the fastening screw 20, so that the relative fixation of the linear guide rail 16 and the corresponding guide groove is realized.

[0036] In this way, the fixing during the assembly process and after the sliding adjustment is facilitated, so as to improve the stability during the formal use after the adjustment.

[0037] The fastening screw 20 is arranged at two positions on the linear guide rail 16 along the length direction of the linear guide rail 16, is located at the two ends of the linear guide rail 16 respectively, and corresponds to the conveying base frame 19 and the conveying tail frame 15 respectively. During use, the conveying base frame end or the conveying tail frame end can be selectively fixed, one end is fixed, the other end is slid during sliding, the movement process is more certain, and the operation is facilitated. After the sliding adjustment, the linear guide rail 16 is relatively fixed with the corresponding guide groove by screwing in the fastening screw 20, so that the two ends of the linear guide rail 16 are fastened and connected with the conveying base frame 19 and the conveying tail frame 15 through the fastening screws 20 of the corresponding ends, the linear guide rail 16 can assist the tension adjustment mechanism 22 to keep the spacing between the conveying base frame 19 and the conveying tail frame 15, increase the additional belt tension retention force, and make the relative gap between the conveying tail frame 15 and the conveying base frame 19 more stable and reliable.

[0038] During actual manufacturing, the number of the sliding connection mechanisms 23 is also set to two sets, which are symmetrically arranged on the two sides of the conveying base frame 19 and the conveying tail frame 15. The symmetric form can further improve the connection stability of the movement process and the use state, improve the parallelism and position accuracy of the connection of the linear guide rail 16 with the conveying base frame 19 and the conveying tail frame 15, prevent the position of the linear guide rail 16 from being deviated during the operation of the device, improve the stability of the overall operation, and guarantee the production capacity.

[0039] Please continue to see Figure 1 and Figure 2 , the tension adjusting mechanism 22 includes an adjusting bolt 17, one end of the adjusting bolt 17 is threaded through the connecting conveying tail frame 15 and abuts on the end face of the conveying tail frame 15 towards the conveying base frame 19. A reliable screwing adjusting form is selected, and the adjusting is smooth and reliable; when implemented, the screw rod of the adjusting bolt 17 is threaded through and out of the conveying tail frame 15, and the free end is vertically abutted on the end face of the conveying base frame 19 towards the conveying tail frame 15; the screwing adjusting bolt 17 is operated, and because of the end face abutment, the conveying tail frame 15 and the conveying base frame 19 can be away from each other. Preferably, the threaded position of the adjusting bolt 17 is arranged at the middle position between the two linear guides 16, so as to improve the force balance and ensure smooth adjusting movement.

[0040] The screw rod segment between the head of the adjusting bolt 17 and the conveying tail frame 15 is threadedly connected with a fastening nut 18. In this way, after the tension is adjusted, the fastening nut 18 is abutted on the conveying tail frame 15 to lock the conveying tail frame 15, so as to ensure that the use process after adjustment is more stable; before the tension needs to be adjusted again, the fastening nut 18 is loosened, and the screwing adjusting bolt 17 can be continuously operated. From the actual use point of view, the conveying belt 13 is gradually relaxed with the extension of the use period, and in the actual adjusting process, after the first installation, the adjusting bolt 17 is further screwed during the second adjustment, the conveying tail frame 15 is driven to be away from the conveying base frame 19, so that the gradually relaxed conveying belt 13 is effectively tensioned, and the one-way adjustment is sufficient to meet the adjusting and using requirements and is simple and convenient to operate, stable and reliable.

[0041] Please see again Figure 1 and Figure 3 , when implemented, the upper surfaces of the conveying base frame 19 and the conveying tail frame 15 can be respectively provided with parallel and opposite guard plates 21, and the driving wheel 11, the driven wheel 12 and the conveying belt 13 are located between the parallel and opposite guard plates 21.

[0042] In this way, the guard plate 21 can be used as a mounting base to facilitate the installation of the wheel shaft, and can also play a role in assisting the prevention of side deviation on both sides of the belt.

[0043] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A glass sheet conveyor belt tensioning device characterized by: The application relates to a conveying device, which comprises a conveying base frame, a driving wheel rotatably connected to the conveying base frame, a driving source arranged on the conveying base frame and used for driving the driving wheel to rotate, a conveying tail frame arranged on the outer side of one end of the conveying base frame in the length direction of the conveying base frame and slidably connected to the conveying base frame, a driven wheel rotatably connected to the conveying tail frame, and a conveying belt in transmission connection between the driving wheel and the driven wheel. A tension adjusting mechanism arranged between the conveying base frame and the conveying tail frame is used for changing the distance between the conveying base frame and the conveying tail frame, so as to adjust the tension of the conveying belt. A sliding connection mechanism arranged between the conveying base frame and the conveying tail frame is used for the sliding connection of the conveying base frame and the conveying tail frame when the tension of the conveying belt is adjusted.

2. A glass sheet conveying belt tensioning device as in claim 1, wherein: The sliding connection mechanism comprises a guide groove and a linear guide rail slidably arranged in the guide groove, and the length direction of the linear guide rail corresponds to the length direction of the conveying base frame. The guide groove is arranged on the conveying base frame, one end of the linear guide rail is arranged on the conveying tail frame, and the other end of the linear guide rail is slidably arranged in the guide groove on the conveying base frame. Or the guide groove is arranged on the conveying tail frame, one end of the linear guide rail is arranged on the conveying base frame, and the other end of the linear guide rail is slidably arranged in the guide groove on the conveying tail frame.

3. A glass sheet conveying belt tensioning device as in claim 1, wherein: The sliding connection mechanism comprises a guide groove and a linear guide rail slidably arranged in the guide groove, and the length direction of the linear guide rail corresponds to the length direction of the conveying base frame. The guide grooves are arranged on the conveying base frame and the conveying tail frame and arranged in line, the cross section of the linear guide rail corresponds to the cross section of the guide groove, and the two ends of the linear guide rail are slidably arranged in the guide grooves on the conveying base frame and the conveying tail frame.

4. A glass sheet conveying belt tensioning device as in claim 3, wherein: The guide groove is a T-shaped groove or a dovetail groove.

5. A glass sheet conveying belt tensioning device as in claim 4, wherein: The lateral side of the linear guide rail is provided with a fastening screw, the fastening screw is threadedly connected to the linear guide rail and penetrates through, the head of the fastening screw is located on the outer side of the guide groove, and the inner end of the fastening screw is abutted against the inner wall of the corresponding guide groove by rotating the fastening screw, so as to fix the linear guide rail.

6. A glass sheet conveying belt tensioning device as in claim 5, wherein: Two fastening screws are arranged on the linear guide rail in the length direction of the linear guide rail and located at the two ends of the linear guide rail.

7. A glass sheet conveying belt tensioning device as in any of claims 2-6, wherein: The number of the sliding connection mechanisms is two, and the two sliding connection mechanisms are symmetrically arranged on the two sides of the conveying base frame and the conveying tail frame.

8. A glass sheet conveying belt tensioning device as in claim 7, wherein: The tension adjusting mechanism comprises an adjusting screw, one end of the adjusting screw is threadedly connected to the conveying tail frame and abutted against the end face of the conveying base frame facing the conveying tail frame.

9. A glass sheet conveying belt tensioning device as in claim 8, wherein: A fastening nut is threadedly connected to the screw rod segment between the head of the adjusting screw and the conveying tail frame.

10. A glass sheet conveying belt tensioning device as in claim 1, wherein: The upper surfaces of the conveying base frame and the conveying tail frame are respectively provided with parallel and opposite protective plates, and the driving wheel, the driven wheel and the conveying belt are located between the parallel and opposite protective plates.

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