Guide rail with middle pressing block and guide rail assembly

Abstract

The invention relates to the field of transmission, and discloses a guide rail and assembly with middle pressing blocks, which comprises a rail frame, a rail strip, a plurality of pressing blocks and a plurality of guide blocks, the rail strip comprises a first guide strip located on the left side of the mounting rail and a second guide strip located on the right side of the mounting rail, and the inner side parts of the first guide strip and the second guide strip are fixed to the mounting rail through guide blocks and pressing blocks; the left side and the right side of the pressing block are provided with a first pressing groove and a second pressing groove which correspond to the first guide strip and the second guide strip respectively, the pressing block is fixedly installed in the installation rail, and the first pressing groove and the second pressing groove limit the first guide strip and the second guide strip on the installation rail; a guide groove I and a guide groove II corresponding to the guide strip I and the guide strip II are respectively formed in the left side and the right side of the guide block; the first guide strip and the second guide strip are arranged in the first guide groove and the second guide groove respectively. The transmission guide rail and the assembly have the advantages of convenience in adjustment, low cost, light weight, simplicity in processing and the like.

Description

Technical Field

[0001] This invention relates to the field of transmission, and more particularly to guide rails and guide rail assemblies with a centrally located pressure block. Background Technology

[0002] Traditional guide rails and conveyor belts generally employ a dual-drive design, resulting in a large overall footprint and low adaptability. While guide rail drives offer unique advantages in some reciprocating transmission applications, existing guide rail structures, due to their integral turning process, require magnetic positioning for large-scale, long-distance designs. However, after machining and removal of the magnets, the guide rail inevitably deforms to some extent, necessitating post-processing correction. Correcting long guide rails is challenging and yields lower accuracy. For example, Chinese patent CN223806472U discloses an adjustable rolling linear guide pair.

[0003] Meanwhile, existing guide rails are heavy, costly, and difficult to repair after wear, resulting in high practical costs. Furthermore, existing tensioning mechanisms require separate structures, leading to low overall integration, large space requirements, and complex adjustments. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a guide rail and guide rail assembly for a centrally located pressure block.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: The guide rail for the centrally located pressure block includes a rail frame, rail strips, and several pressure blocks and guide blocks; The track frame includes an installation track, which is arranged in a strip shape, with pressure blocks, guide blocks, and track strips laid on the installation track; The track includes a guide bar one on the left side of the mounting track and a guide bar two on the right side. The inner parts of the guide bar one and the guide bar two are fixed to the mounting track by guide blocks and pressure blocks. The pressure block has pressure groove 1 and pressure groove 2 on its left and right sides, respectively, corresponding to guide bar 1 and guide bar 2. The pressure block is fixedly installed in the installation track, and pressure groove 1 and pressure groove 2 restrict guide bar 1 and guide bar 2 on the installation track. The guide block has guide groove 1 and guide groove 2 on its left and right sides, respectively, corresponding to guide bar 1 and guide bar 2; guide bar 1 and guide bar 2 are respectively set in guide groove 1 and guide groove 2. The first pressure groove and the first guide groove are spliced ​​together to form the first mounting groove for mounting the first guide strip, and the second pressure groove and the second guide groove are spliced ​​together to form the second mounting groove for mounting the second guide strip; wherein the outer parts of the first guide strip and the second guide strip protrude from the outer sides of the first mounting groove and the second mounting groove respectively, forming a guide part for cooperating with the slider.

[0006] Preferably, the track frame includes a raised ridge 1 on the left and a raised ridge 2 on the right, with a strip-shaped limiting groove formed between the raised ridge 1 and the raised ridge 2. The raised ridge 1, the raised ridge 2 and the limiting groove are in the same direction of extension as the track strip. The pressure block and the guide block are installed in the limiting groove. The pressure groove 1 and the guide groove 1 are located above the raised ridge 1, and the pressure groove 2 and the guide groove 2 are located above the raised ridge 2.

[0007] Preferably, the guide groove one is an arc-shaped groove that fits the guide strip one, covering the upper, lower and inner sides of the guide strip one, the middle part of the guide block is inserted into the limiting groove, and the two sides of the lower end of the guide block form steps to support the protrusion one and protrusion two.

[0008] Preferably, the upper end of the pressure groove is a pressure surface, which includes an inclined surface at the outer end. The inclined surface is higher on the inner side and lower on the outer side. The inclined surface presses on the upper side of the guide bar and the pressing position is located on the outer side of the vertical cross-section of the guide bar.

[0009] Preferably, the pressing surface also includes an arc-shaped surface extending from the inner side of the inclined surface.

[0010] Preferably, the guide block is a non-metallic part, and a fixing hole is provided in the middle of the pressure block. The bolt passes through the fixing hole to fix the pressure block to the bottom of the limiting groove. The upper and outer sides of the first and second protrusions are all precision-machined flat surfaces. The outer sides of the pressure block and the guide block located on the upper side of the track are both flat surfaces. The pressure block and the guide block are distributed alternately, and their upper surfaces are both flat surfaces.

[0011] The guide rail assembly includes the guide rail with the central pressure block mentioned above, as well as the slider assembly and the belt drive assembly; The slider assembly includes a sliding base and a pressure plate. The sliding base slides in cooperation with the guide rail, and the pressure plate is connected to the belt drive assembly. The belt drive assembly includes a drive pulley located at one end of the mounting track and a driven pulley at the other end; the drive pulley and the driven pulley are connected by a drive belt, which is mounted on the sliding base by a pressure plate, and the movement of the drive belt drives the slider assembly to move. The track frame has a channel running through both ends and extending along the direction of the installation track in the middle. The upper part of the drive belt is located above the installation track, and the lower part of the drive belt is located inside the channel.

[0012] Preferably, the system also includes a connecting rail and a mounting base. The connecting rail is fixed to the lower end face of the channel and extends outward from the outside of the channel. The driven wheel is mounted on the mounting base. The system also includes a first slider and a locking block. A groove is provided in the middle of the connecting rail. The first slider is slidably installed in the groove and is fixedly connected to the mounting base. The locking block is slidably installed in the groove. The groove has a locking surface. The first slider has a first inclined surface and the locking block has a second inclined surface. The first inclined surface and the second inclined surface fit together, pushing the second inclined surface up or down, so that the locking block is firmly against the locking surface.

[0013] Preferably, a limiting block is also included, and an adjusting bolt is provided on the mounting base. The adjusting bolt passes through the mounting hole on the mounting base and abuts against the limiting block.

[0014] Preferably, the device also includes a locking bolt. Both the first slider and the locking block have locking holes that mate with the locking bolt. The upper surface of the sliding base has a first groove, the width of which matches the width of the transmission belt. The transmission belt is a synchronous belt, and the bottom of the first groove has a limiting tooth groove that mates with the synchronous belt. The vehicle is equipped with the aforementioned retarder control device.

[0015] Preferably, the upper end face of the sliding base is provided with several tooth grooves that cooperate with the synchronous belt drive teeth, and the lower end face of the pressure plate is provided with a limiting groove that runs through the direction of the conveyor belt. The width of the limiting groove is equal to the width of the synchronous belt. There are connecting screw holes on both sides of the tooth groove. The connecting bolt (192) passes through the pressure plate and fixes the pressure plate and the sliding base through the threaded connection of the connecting screw holes. The drive teeth of the synchronous belt are engaged in the tooth groove, and the synchronous belt is confined in the limiting groove. The sliding base includes a base plate with a toothed groove on the upper end face and a guide wheel shaft integrally formed on the lower end face. The guide wheel shafts are arranged in two rows on the left and right sides of the track frame, respectively. Each guide wheel shaft is equipped with a guide wheel, which cooperates with the track and rolls along the track. Each row of guide wheel shafts is at the same height and in the same straight line. The base also includes a connecting arm with a fixing screw hole on the end face of the guide wheel shaft. The connecting arm is fixed in the fixing screw hole by bolts. Each row of guide wheel shafts is connected and fixed by the same connecting arm.

[0016] Because the present invention adopts the above technical solution, it has the following significant technical effects: Compared with the prior art, this invention has the following significant advantages and positive effects: First, the design of the track bar, pressure block, and guide block greatly reduces the processing difficulty of the track, and the size and type of the track are also easy to adjust. Furthermore, the designed track bar can be repositioned by adjusting the protruding part after wear, rotating the worn part to the inside, thus extending its service life and reducing the difficulty of adjustment. Additionally, the designed adjustment structure does not occupy the overall assembly space, and locking is convenient and reliable, as is adjustment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the device.

[0018] Figure 2 yes Figure 1 A schematic diagram of the structure after removing the transmission belt.

[0019] Figure 3 This is a structural diagram of the pressure block, guide block, and track frame.

[0020] Figure 4 yes Figure 3 A magnified view of a portion of the image.

[0021] Figure 5 This is a structural schematic diagram of the mounting bracket assembly.

[0022] Figure 6 This is the front view of the mounting bracket assembly.

[0023] Figure 7 yes Figure 6 A three-dimensional schematic diagram of a sectional view.

[0024] Figure 8 This is an exploded view of the sliding assembly.

[0025] Figure 9 This is an exploded view of the sliding assembly.

[0026] Figure 10 This is a schematic diagram of the substrate structure.

[0027] The technical names of the reference numerals in the figure are as follows: 1-track frame, 2-track bar, 3-pressure block, 4-guide block, 5-installation track, 6-guide bar one, 7-guide bar two, 8-pressure groove one, 9-pressure groove two, 10-guide groove one, 11-guide groove two, 12-protrusion one, 13-protrusion two, 14-limiting groove, 15-step, 16-pressure surface, 17-fixing hole, 18-sliding base, 19-pressure plate, 20-driving wheel, 21-driven wheel, 22-channel, 23-connecting track, 24-transmission belt, 25-first slider, 26-locking block, 27-first inclined surface, 28-second inclined surface, 29-locking surface, 31-adjusting bolt, 32-limiting block, 33-slide groove, 34-locking bolt. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0029] Example 1 The guide rail of the central pressure block 3 includes a track frame 1, a track bar 2, and several pressure blocks 3 and guide blocks 4; The guide rail adopts an assembly design, in which the track frame 1 serves as the mounting base for mounting the track strip 2, pressure block 3, and guide block 4. In this embodiment, the guide rail is a linear guide rail.

[0030] The track frame 1 includes mounting rails 5. The function of mounting rails 5 is to provide an installation area for the above-mentioned components, so as to facilitate the installation and positioning of the above-mentioned components.

[0031] The installation track 5 is arranged in a strip shape, and the pressure block 3, guide block 4 and track strip 2 are laid on the installation track 5; The track bar 2 includes a guide bar 6 on the left side of the mounting track 5 and a guide bar 7 on the right side. The inner parts of guide bar 6 and guide bar 7 are fixed to the mounting track 5 by guide block 4 and pressure block 3. Specifically, in this embodiment, guide bar 6 and guide bar 7 are independent long strips. Both guide bar 6 and guide bar 7 are cylindrical strips. The outer surfaces of guide bar 6 and guide bar 7 serve as sliding surfaces and are installed and fitted with the slider.

[0032] The pressure block 3 is used to fix the track strip 2 on the installation track 5, specifically by using a limiting downward pressing method to fix it.

[0033] Specifically, the left and right sides are respectively provided with pressure groove 1 8 and pressure groove 2 9 corresponding to guide bar 1 6 and guide bar 2 7. The pressure block 3 is fixedly installed in the installation track 5. Pressure groove 1 8 and pressure groove 2 9 restrict guide bar 1 6 and guide bar 2 7 on the installation track 5. The guide block 4 has guide grooves 10 and 11 on its left and right sides, respectively, corresponding to guide bar 6 and guide bar 7. Guide bar 6 and guide bar 7 are respectively located in guide grooves 10 and 11. The purpose of guide grooves 10 and 11 is to ensure the initial position of the track bar 2 and prevent it from directly contacting the mounting track 5, thus ensuring the performance of the track bar 2.

[0034] Specifically, in this embodiment, the pressure groove 8 and the guide groove 10 are spliced ​​together to form the first mounting groove for mounting the guide strip 6, and the pressure groove 9 and the guide groove 11 are spliced ​​together to form the second mounting groove for mounting the guide strip 7; wherein the outer parts of the guide strip 6 and the guide strip 7 protrude from the outer sides of the first mounting groove and the second mounting groove respectively, forming a guide part for cooperating with the slider.

[0035] Specifically, in this embodiment, the track frame 1 includes a raised ridge 12 on the left and a raised ridge 2 13 on the right. A strip-shaped limiting groove 14 is formed between the raised ridge 12 and the raised ridge 2 13. The raised ridge 12, the raised ridge 2 13 and the limiting groove 14 are in the same direction as the extension of the track 2. The pressure block 3 and the guide block 4 are installed in the limiting groove 14. The pressure groove 1 8 and the guide groove 10 are located above the raised ridge 12, and the pressure groove 2 9 and the guide groove 2 11 are located above the raised ridge 2 13.

[0036] Specifically, in this embodiment, to protect the outer surface of the guide strip, the inner surface of the guide groove fits snugly against the guide strip. Specifically, guide groove 10 is an arc-shaped groove adapted to guide strip 6, covering the upper, lower, and inner sides of guide strip 6. The middle part of guide block 4 is inserted into limiting groove 14, and steps 15 are formed on both sides of the lower end of guide block 4 to support protrusion 12 and protrusion 2 13. The installation structures of guide strip 6 and guide strip 2 7 are the same, and will not be described again here.

[0037] The upper end of the pressure groove 8 is a pressure surface 16, which includes an outer inclined surface. The inclined surface is higher on the inner side and lower on the outer side. The inclined surface presses against the upper side of the guide strip 6, and the pressing position is located on the outer side of the vertical cross-section of the guide strip. This inclined surface structure design ensures that the guide strip will not come out of the pressure groove 8, and can be used with guide strips 6 of different sizes.

[0038] In this specific embodiment, the pressing surface 16 also includes an arc-shaped surface extending from the inner side of the inclined surface.

[0039] The guide block 4 is a non-metallic component. A fixing hole 17 is provided in the center of the pressure block 3, through which bolts pass to fix the pressure block 3 to the bottom of the limiting groove 14. The upper and outer surfaces of the first protrusion 12 and the second protrusion 13 are all precision-machined flat surfaces. The outer surfaces of the pressure block 3 and the guide block 4 located on the upper side of the track bar 2 are both flat. The pressure block 3 and the guide block 4 are distributed alternately, and their upper surfaces are both flat. This structural design allows for adjustment of the pressure on the guide bar by adjusting the pressure block 3, thereby achieving fine-tuning of the guide bar and ensuring its guiding effect.

[0040] Example 2 The guide rail assembly includes the guide rail of the central pressure block 3 mentioned above, as well as the slider assembly and the belt drive assembly; in the specific working process, the belt drive assembly drives the slider on the guide rail to slide, and the working components are installed on the slider assembly.

[0041] In this embodiment, the slider assembly includes a sliding base 18 and a pressure plate 19. The sliding base 18 slides in cooperation with the guide rail, and the pressure plate 19 is connected to the belt drive assembly. Specifically, the pressure plate 19 fixes the drive belt 24 on the slider assembly to ensure that the drive belt 24 drives the slider assembly to move when it moves.

[0042] Specifically, in this embodiment, the belt drive assembly includes a drive wheel 20 located at one end of the mounting track 5 and a driven wheel 21 at the other end; the drive wheel 20 and the driven wheel 21 are connected and driven by a transmission belt 24, which is mounted on the sliding base 18 by a pressure plate 19, and the movement of the transmission belt 24 drives the slider assembly to move; the drive wheel 20 is driven to rotate by a motor, thereby driving the sliding block to move through the transmission belt 24.

[0043] The track frame 1 has a channel 22 running through both ends and extending along the mounting rail 5 in the middle. The upper part of the drive belt 24 is located above the mounting rail 5, and the lower part of the drive belt 24 is located inside the channel 22. Overall, the drive belt 24 is almost the same height as the slider, not exceeding the height occupied by the slider, making it more compact. Moreover, the drive belt 24 is located inside the track frame 1, further saving space. The entire belt drive assembly does not occupy additional space compared to the guide rail assembly, thus improving its compactness.

[0044] The system also includes a connecting rail 23 and a mounting base 35. The connecting rail 23 is fixed to the lower end face of the channel 22 and extends outward from the outside of the channel 22. The driven wheel 21 is mounted on the mounting base 35. It also includes a first slider 25 and a locking block 26. A groove 33 is provided in the middle of the connecting rail 23. The first slider 25 is slidably mounted in the groove 33, and the first slider 25 is fixedly connected to the mounting base 35. The locking block 26 is slidably mounted in the groove 33. The groove 33 has a locking surface 29. The first slider 25 has a first inclined surface 27, and the locking block 26 has a second inclined surface 28. The first inclined surface 27 and the second inclined surface 28 are engaged, pushing the second inclined surface 28 up or down, causing the locking block 26 to abut against the locking surface 29. It also includes a limiting block 32. An adjusting bolt 31 is provided on the mounting base 35. The adjusting bolt 31 passes through a mounting hole on the mounting base 35 and abuts against the limiting block 32. It also includes a locking bolt 34, and both the first slider 25 and the locking block 26 are provided with locking holes that cooperate with the locking bolt 34.

[0045] The specific adjustment process is as follows: when the transmission belt 24 is found to be too tight or too loose, firstly, disconnect the locking bolt 34 from the first slider 25 and the locking block 26, then rotate the adjusting bolt 31 to adjust the distance between the mounting base 35 and the limiting block 32, thereby adjusting the tension of the transmission belt 24. After the distance adjustment is completed, rotate the locking bolt 34 to connect the first slider 25 and the locking block 26. The first inclined surface 27 presses against the second inclined surface 28, and the second inclined surface 28 rises and abuts against the side of the slide groove 33 to achieve locking, thus completing the tension adjustment.

[0046] When the track bar 2 wears out after working for a period of time and needs adjustment, simply release the pressure block 3 from restricting the track bar 2, rotate the worn surface of the track bar 2 to the inside to complete the adjustment, and then tighten the pressure block 3.

[0047] Specifically, in this embodiment, in order to avoid the transmission belt 24 from running off-center and to ensure the accuracy of transmission, the upper end surface of the sliding base 18 is provided with a first groove, the width of the first groove is matched with the transmission belt 24, the transmission belt 24 is a synchronous belt, and the bottom of the first groove is provided with a limiting tooth groove that cooperates with the synchronous belt.

[0048] Firstly, this design, through the use of track bar 2, pressure block 3, and guide block 4, significantly reduces the processing difficulty of the track. Furthermore, the size and type of the track are easy to adjust. Additionally, the designed track bar 2 can be repositioned by adjusting its protruding position after wear, rotating the worn area inwards, thus extending its service life and reducing adjustment difficulty. Moreover, the designed adjustment structure does not occupy the overall assembly space, and the locking is convenient and reliable, while adjustment is also easy.

[0049] Example 3 Based on the above embodiments 1 and 2, the slider assembly is further restricted. The upper end surface of the sliding base 18 is provided with a plurality of tooth grooves 181 that cooperate with the transmission teeth of the synchronous belt 24. During assembly, the synchronous belt 24 can be pressed into the tooth grooves 181 for assembly.

[0050] The lower end face of the pressure plate 19 is provided with a limiting groove 191 that runs through the direction of the conveyor belt. The width of the limiting groove 191 is equal to the width of the synchronous belt 24. There are connecting screw holes on both sides of the tooth groove 181. The connecting bolt 192 passes through the pressure plate 19 and fixes the pressure plate 19 and the sliding base 18 through the threaded engagement of the connecting screw holes. The transmission teeth of the synchronous belt 24 engage in the tooth groove 181, and the synchronous belt 24 is confined in the limiting groove 191. The sliding base 18 includes a base plate 182, with a toothed groove 181 on the upper end surface of the base plate 182 and a guide wheel shaft 183 integrally formed on the lower end surface of the base plate 182. The guide wheel shafts 183 are arranged in two rows on the left and right sides of the track frame 1, respectively. Each guide wheel shaft 183 is equipped with a guide wheel 184, which cooperates with the track bar 2 and rolls along the track bar 2. Each row of guide wheel shafts 183 is at the same height and in the same straight line. The base also includes a connecting arm 186, with a fixing screw hole on the end face of the guide wheel shaft 183. The connecting arm 186 is fixed in the fixing screw hole by bolts. Each row of guide wheel shafts 183 is connected and fixed by the same connecting arm 186.

[0051] This structural design ensures the coaxiality of each guide wheel shaft 183, while also guaranteeing its strength, preventing misalignment or deformation, extending the service life of the slider assembly and guide rail, and ensuring smooth and stable sliding.

Claims

1. A guide rail for a centrally located pressure block, characterized in that: Includes track frame (1), track strip (2), and several pressure blocks (3) and guide blocks (4); The track frame (1) includes an installation track (5), which is arranged in a strip shape. The pressure block (3), guide block (4) and track strip (2) are laid on the installation track (5). The track bar (2) includes a guide bar one (6) located on the left side of the mounting track (5) and a guide bar two (7) on the right side. The inner parts of the guide bar one (6) and the guide bar two (7) are fixed on the mounting track (5) by the guide block (4) and the pressure block (3). The pressure block (3) has pressure grooves 1 (8) and 2 (9) on its left and right sides respectively, corresponding to guide bar 1 (6) and guide bar 2 (7). The pressure block (3) is fixedly installed in the installation track (5). Pressure groove 1 (8) and pressure groove 2 (9) restrict guide bar 1 (6) and guide bar 2 (7) on the installation track (5). The guide block (4) has guide grooves 1 (10) and 2 (11) on its left and right sides respectively, corresponding to guide bar 1 (6) and guide bar 2 (7); guide bar 1 (6) and guide bar 2 (7) are respectively set in guide groove 1 (10) and guide groove 2 (11); The first pressure groove (8) and the first guide groove (10) are spliced ​​together to form the first mounting groove for mounting the first guide strip (6), and the second pressure groove (9) and the second guide groove (11) are spliced ​​together to form the second mounting groove for mounting the second guide strip (7); the outer parts of the first guide strip (6) and the second guide strip (7) respectively protrude from the outer sides of the first mounting groove and the second mounting groove to form a guide part for cooperating with the slider.

2. The guide rail for the centrally located pressure block according to claim 1, characterized in that: The track frame (1) includes a raised ridge 1 (12) on the left and a raised ridge 2 (13) on the right. A strip-shaped limiting groove (14) is formed between the raised ridge 1 (12) and the raised ridge 2 (13). The raised ridge 1 (12), the raised ridge 2 (13) and the limiting groove (14) are in the same direction as the track strip (2). The pressure block (3) and the guide block (4) are installed in the limiting groove (14). The pressure groove 1 (8) and the guide groove 1 (10) are located above the raised ridge 1 (12), and the pressure groove 2 (9) and the guide groove 2 (11) are located above the raised ridge 2 (13).

3. The guide rail for the centrally located pressure block according to claim 2, characterized in that: The first guide groove (10) is an arc-shaped groove that is adapted to the first guide strip (6), covering the upper, lower and inner sides of the first guide strip (6). The middle part of the guide block (4) is inserted into the limiting groove (14). The two sides of the lower end of the guide block (4) form steps (15) that support the first protrusion (12) and the second protrusion (13).

4. The guide rail for the centrally located pressure block according to claim 2, characterized in that: The upper end of the pressure groove (8) is the pressure surface (16), which includes the inclined surface at the outer end. The inclined surface is higher on the inner side and lower on the outer side. The inclined surface presses on the upper side of the guide bar (6) and the pressing position is located on the outer side of the vertical cross-sectional section of the guide bar.

5. The guide rail for the centrally located pressure block according to claim 2, characterized in that: The pressing surface (16) also includes an arc-shaped surface extending from the inner side of the inclined surface.

6. The guide rail for the centrally located pressure block according to claim 2, characterized in that: The guide block (4) is a non-metallic part. The middle part of the pressure block (3) is provided with a fixing hole (17). The bolt passes through the fixing hole (17) to fix the pressure block (3) to the bottom of the limiting groove (14). The upper side and outer side of the first protrusion (12) and the second protrusion (13) are all flat surfaces after precision machining. The outer side of the pressure block (3) and the guide block (4) located on the upper side of the track bar (2) are both flat surfaces. The pressure block (3) and the guide block (4) are distributed alternately, and the upper end surface is flat.

7. The guide rail assembly, characterized in that: The guide rail includes any one of the central pressure blocks as described in claims 1 to 6, and further includes a slider assembly and a belt drive assembly; The slider assembly includes a sliding base (18) and a pressure plate (19). The sliding base (18) slides in cooperation with the guide rail, and the pressure plate (19) is connected to the belt drive assembly. The belt drive assembly includes a drive pulley (20) located at one end of the mounting track (5) and a driven pulley (21) at the other end; the drive pulley (20) and the driven pulley (21) are connected by a drive belt (24) for transmission. The drive belt (24) is mounted on the sliding base (18) by a pressure plate (19). The movement of the drive belt (24) drives the slider assembly to move. The middle of the track frame (1) is provided with a channel (22) that runs through both ends and extends along the direction of the installation track (5). The upper part of the transmission belt (24) is located above the installation track (5), and the lower part of the transmission belt (24) is located inside the channel (22).

8. The guide rail assembly according to claim 7, characterized in that: It also includes a connecting rail (23) and a mounting base (35). The connecting rail (23) is fixed to the lower end face of the channel (22) and extends out of the outside of the channel (22). The driven wheel (21) is mounted on the mounting base (35). It also includes a first slider (25) and a locking block (26). A groove (33) is provided in the middle of the connecting rail (23). The first slider (25) is slidably mounted in the groove (33). The first slider (25) and the mounting base (35) are fixedly connected. The locking block (26) is slidably mounted in the groove (33). Inside, the slide (33) has a locking surface (29), the first slider (25) has a first inclined surface (27), and the locking block (26) has a second inclined surface (28). The first inclined surface (27) and the second inclined surface (28) fit together and push the second inclined surface (28) up or down so that the locking block (26) and the locking surface (29) are firmly abutted. It also includes a limiting block (32), and an adjusting bolt (31) is provided on the mounting base (35). The adjusting bolt (31) passes through the mounting hole on the mounting base (35) and abuts against the limiting block (32).

9. The guide rail assembly according to claim 8, characterized in that: It also includes a locking bolt (34), and the first slider (25) and the locking block (26) are provided with locking holes that cooperate with the locking bolt (34). The upper end face of the sliding base (18) is provided with a first groove, the width of which matches the transmission belt (24). The transmission belt (24) is a synchronous belt, and the bottom of the first groove is provided with a limiting tooth groove that cooperates with the synchronous belt.

10. The guide rail assembly according to claim 7, characterized in that: The upper end face of the sliding base (18) is provided with a number of tooth grooves (181) that mesh with the transmission teeth of the synchronous belt (24), and the lower end face of the pressure plate (19) is provided with a limiting groove (191) that runs through the direction of the conveyor belt. The width of the limiting groove (191) is equal to the width of the synchronous belt (24). There are connecting screw holes on both sides of the tooth groove (181). The connecting bolt (192) passes through the pressure plate (19) and fixes the pressure plate (19) and the sliding base (18) through the threaded connection of the connecting screw hole. The transmission teeth of the synchronous belt (24) mesh in the tooth groove (181), and the synchronous belt (24) is restricted in the limiting groove (191). The sliding base (18) includes a base plate (182), with a toothed groove (181) on the upper end face of the base plate (182) and a guide wheel shaft (183) integrally formed on the lower end face of the base plate (182). There are two rows of guide wheel shafts (183) respectively arranged on the left and right sides of the track frame (1). Guide wheels (184) are installed on each guide wheel shaft (183). The guide wheels (184) cooperate with the track bar (2) and roll along the track bar (2). Each row of guide wheel shafts (183) is at the same height and in the same straight line. It also includes a connecting arm (186). A fixing screw hole is opened on the end face of the guide wheel shaft (183). The connecting arm (186) is fixed in the fixing screw hole by bolts. Each row of guide wheel shafts (183) is connected and fixed by the same connecting arm (186).

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