Double-tensioning synchronous belt driving mechanism for cloth joining machine and cloth joining machine

Abstract

The utility model provides a double-tensioning synchronous belt driving mechanism for a cloth joining machine and the cloth joining machine. The double-tensioning synchronous belt driving mechanism is installed on the cloth joining machine. The cloth joining machine comprises a machine frame, a machine head and a synchronous belt, the synchronous belt driving mechanism is installed on the machine frame, the machine head is connected to the synchronous belt, and the synchronous belt driving mechanism drives the machine head to move on the machine frame through the synchronous belt. The synchronous belt driving mechanism comprises an idle wheel assembly, a tensioning wheel assembly and a driving wheel assembly, the synchronous belt sequentially penetrates through an idle wheel on the idle wheel assembly, a tensioning wheel on the tensioning wheel assembly and a driving wheel on the driving wheel assembly, and the synchronous belt forms a closed ring shape. According to the synchronous belt tensioning device, the synchronous belt among the driving wheel, the tensioning wheel and the idle wheel is in a tensioned state through two times of synchronous belt tensioning actions, so that the synchronous belt has certain rigidity, shaking caused to the synchronous belt when a machine head moves is counteracted, and the vibration intensity of the synchronous belt is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cloth receiving machine equipment technical field especially relates to a double tensioning synchronous belt drive mechanism for cloth receiving machine and cloth receiving machine. BACKGROUND

[0002] In the textile production process, after the cloth is woven, it often has only a short length, in order to facilitate the processing of the cloth, the cloth needs to be stitched joint, form the cloth with longer length, so as to facilitate the subsequent processing of the cloth. Such cloth receiving machine arises at the historic moment.

[0003] In the variable speed sewing process of the cloth receiving machine, the acceleration and deceleration frequency of the moving assembly is as high as 50hz, and the weight of the moving assembly is about 40kg, the vibration intensity generated in the whole sewing process is large, the intensity is conducted to the synchronous belt, the synchronous belt is easy to produce violent shaking because of resonance, the shaking will further make the synchronous belt beat the rack, and bring noise. Therefore, the rigidity and tension of the synchronous belt are particularly important in the variable speed sewing cloth receiving machine. SUMMARY

[0004] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is to provide a double tensioning synchronous belt drive mechanism for cloth receiving machine and a cloth receiving machine, which is used to solve the problem of noise caused by the violent shaking of the synchronous belt of the cloth receiving machine during the cloth receiving process.

[0005] To achieve the above-mentioned purpose, the utility model provides a double tensioning synchronous belt drive mechanism for cloth receiving machine, which is installed on the cloth receiving machine;The cloth receiving machine comprises a rack, a machine head and a synchronous belt, the synchronous belt drive mechanism is installed on the rack, the machine head is connected to the synchronous belt, and the synchronous belt drive mechanism drives the machine head to move on the rack through the synchronous belt;The synchronous belt drive mechanism comprises a idler assembly, a tensioner assembly and a driving wheel assembly, the synchronous belt passes through the idler on the idler assembly, the tensioner on the tensioner assembly and the driving wheel on the driving wheel assembly in turn, and the synchronous belt forms a closed ring;The position of the idler on the idler assembly is adjustable;The position of the tensioner on the tensioner assembly is adjustable.

[0006] Preferably, the idler assembly comprises an idler, an idler shaft, an idler adjusting plate and an idler mounting plate, the idler mounting plate is fixed on the slide rail mounting profile of the rack;The idler shaft is arranged in the idler, the idler shaft penetrates through the idler mounting plate and is fixedly connected with the idler adjusting plate;The position of the idler adjusting plate on the idler mounting plate is adjustable.

[0007] Preferably, a middle part of the idler mounting plate is provided with an idler mounting plate through slot, and an outer side of the idler mounting plate through slot is provided with an idler mounting plate through hole; a middle part of the idler adjusting plate is provided with an idler adjusting plate through hole, and an outer side of the idler adjusting plate through hole is provided with an idler adjusting plate through slot; the idler mounting plate through slot is aligned with the idler adjusting plate through hole, the idler shaft passes through the idler mounting plate through slot and is arranged in the idler adjusting plate through hole; the idler mounting plate through hole is aligned with the idler adjusting plate through slot, and a fastener is arranged in both.

[0008] Preferably, the idler assembly further comprises an idler adjusting screw fixing plate and an idler adjusting screw, the idler adjusting screw fixing plate is arranged on a side of the idler mounting plate, the idler adjusting screw fixing plate is provided with a threaded hole, the idler adjusting screw is arranged in the threaded hole, and one end of the idler adjusting screw abuts on a side of the idler adjusting plate; the extension direction of the idler adjusting screw is the same as the extension direction of the idler adjusting plate through slot.

[0009] Preferably, the tensioning wheel assembly comprises a tensioning wheel, a tensioning wheel shaft, a tensioning wheel moving block, a tensioning adjusting bottom plate, a tensioning cylinder, a tensioning adjusting screw and a tensioning adjusting nut, the tensioning wheel is rotatably arranged on the tensioning wheel moving block through the tensioning wheel shaft; the tensioning cylinder is arranged on the tensioning wheel moving block and passes through the slide rail mounting profile and the tensioning adjusting bottom plate of the rack; one end of the tensioning adjusting screw is fixedly connected with the tensioning wheel moving block, and the other end passes through the slide rail mounting profile and the tensioning adjusting bottom plate; the tensioning adjusting nut is arranged at the end of the tensioning adjusting screw away from the tensioning wheel moving block.

[0010] Preferably, a plurality of tensioning adjusting bottom plate limiting holes are arranged on the tensioning adjusting bottom plate, and a plurality of the tensioning cylinders are arranged in the tensioning adjusting bottom plate limiting holes; a plurality of tensioning adjusting bottom plate connecting holes are further arranged on the tensioning adjusting bottom plate, the tensioning adjusting screw passes through the tensioning adjusting bottom plate connecting holes, and the tensioning wheel moving block and the tensioning adjusting bottom plate are fastened by the tensioning adjusting nut.

[0011] Preferably, the driving wheel assembly comprises a driving wheel, a sleeve, a driving wheel driving source and a driving source fixing plate, the driving source fixing plate is arranged on the slide rail mounting profile of the rack, and the driving wheel driving source is arranged on the driving source fixing plate; the driving wheel is fixed on the output shaft of the driving wheel driving source through the sleeve.

[0012] Preferably, a synchronous belt pressing plate is arranged on the synchronous belt, the synchronous belt pressing plate is provided with a pressing plate connecting plate, the pressing plate connecting plate is provided with a moving bottom plate, and the head is arranged on the moving bottom plate.

[0013] In order to realize the above object or other objects, the utility model discloses a cloth receiving machine, the cloth receiving machine includes the double tensioning synchronous belt drive mechanism for cloth receiving machine.

[0014] As described above, the utility model relates to the double tensioning synchronous belt drive mechanism for cloth receiving machine and cloth receiving machine have the following beneficial effects:

[0015] The utility model relates to the double tensioning synchronous belt drive mechanism for cloth receiving machine and cloth receiving machine, the position of idler on idler subassembly is adjustable, and this is the first synchronous belt tensioning, and the position of tensioning wheel on tensioning subassembly is adjustable, and this is the second synchronous belt tensioning. Through twice synchronous belt tensioning action, the synchronous belt between driving wheel, tensioning wheel and idler is in the state of being tight, so that the synchronous belt has certain rigidity, offsets the shaking of synchronous belt when the head moves, and reduces the vibration intensity of synchronous belt. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the plan view of the cloth receiving machine of the utility model,

[0017] Figure 2 It is the structure schematic diagram of idler subassembly and tensioning wheel subassembly in the double tensioning synchronous belt drive mechanism for cloth receiving machine of the utility model,

[0018] Figure 3 It is another angle schematic diagram of idler subassembly in the double tensioning synchronous belt drive mechanism for cloth receiving machine of the utility model,

[0019] Figure 4 It is the structure schematic diagram of driving wheel subassembly in the double tensioning synchronous belt drive mechanism for cloth receiving machine of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1, rack, 101, slide rail installation section bar, 2, head, 201, mobile base plate, 3, synchronous belt, 301, idler, 302, tensioning wheel, 303, driving wheel, 304, driving source, 305, idler shaft, 306, idler connecting plate, 307, idler mounting plate, 308, idler adjusting plate, 3081, idler adjusting plate through groove, 309, idler adjusting screw fixed plate, 310, idler adjusting screw, 311, tensioning wheel shaft, 312, tensioning wheel moving block, 313, tensioning adjusting base plate, 314, tensioning adjusting screw, 315, tensioning cylinder, 316, expansion sleeve, 317, driving source fixed plate, 318, driving wheel connecting plate, 319, synchronous belt pressing plate, 320, pressing plate connecting plate. DETAILED DESCRIPTION

[0022] The following embodiments of the present application are described by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification.

[0023] It is understood that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "up", "down", "left", "right", "middle" and the like used in the specification are only for easy understanding and are not used to limit the scope of the present application. The change or adjustment of the relative relationship without substantially changing the technical content is also considered as the scope of the present application.

[0024] The utility model discloses a double tensioning synchronous belt drive mechanism for cloth receiving machine, for easy description, define the length direction of frame 1 as left and right direction, the width direction of frame 1 is front and rear direction, the height direction of frame 1 is up and down direction, so Figure 1 The left direction and the right direction of the paper are respectively the left direction and the right direction, and the front direction and the back direction of the paper are respectively the up direction and the down direction.

[0025] As Figures 1-4 The utility model provides a double tensioning synchronous belt drive mechanism for cloth receiving machine, is installed on the cloth receiving machine, and the cloth receiving machine includes frame 1, machine head 2 and synchronous belt 3, and the synchronous belt drive mechanism is installed on frame 1, and machine head 2 is connected on synchronous belt 3, and the synchronous belt drive mechanism drives machine head 2 to move left and right on frame 1 through synchronous belt 3, and the synchronous belt drive mechanism includes idler assembly, tension pulley assembly and driving pulley assembly, and synchronous belt 3 passes through idler 301 on idler assembly, tension pulley 302 on tension pulley assembly and driving pulley 303 on driving pulley assembly in turn, and synchronous belt 3 forms closed annular, and the position of idler 301 on idler assembly in left and right direction is adjustable, and the position of tension pulley 302 on tension pulley assembly in front and back direction is adjustable.

[0026] The utility model relates to a double tensioning synchronous belt drive mechanism for cloth receiving machine, the position of idler 301 in the left and right direction of idler assembly is adjustable, and the first tensioning of synchronous belt 3 can be realized, the position of tensioning wheel 302 in the front and back direction of tensioning wheel assembly is adjustable, and the second tensioning of synchronous belt 3 can be realized.

[0027] Further, as shown in Figure 1 , the idler assembly is arranged at the left side of the rack 1, the driving wheel assembly is arranged at the right side of the rack 1, and the tensioning wheel assembly is arranged at the middle part of the rack 1.

[0028] Preferably, as shown in Figures 1-3 , the idler assembly comprises an idler 301, an idler shaft 305, an idler adjusting plate 308 and an idler mounting plate 307, the idler mounting plate 307 is fixed on the slide rail mounting profile 101 of the rack 1, the idler shaft 305 is arranged in the shaft hole of the idler 301 along the up and down direction, the idler shaft 305 penetrates the idler mounting plate 307 and is fixedly connected with the idler adjusting plate 308, and the left and right positions of the idler adjusting plate 308 on the idler mounting plate 307 are adjustable. In the embodiment, the number of the slide rail mounting profiles 101 is two, the two slide rail mounting profiles 101 are arranged in parallel in the rack 1 along the front and back direction, the synchronous belt 3 is arranged between the two slide rail mounting profiles 101, and the moving assembly moves along the slide rail mounting profile 101. The front and back ends of the idler mounting plate 307 are provided with idler connecting plates 306, the two idler connecting plates 306 are fixed on the slide rail mounting profile 101, so that the idler mounting plate 307 is connected to the slide rail mounting profile 101.

[0029] Further, as shown in Figure 2 , Figure 3 , the middle part of the idler mounting plate 307 is provided with an idler mounting plate through slot, the outer side of the idler mounting plate through slot is provided with an idler mounting plate through hole, the middle part of the idler adjusting plate 308 is provided with an idler adjusting plate through hole, the outer side of the idler adjusting plate through hole is provided with an idler adjusting plate through slot 3081, the idler mounting plate through slot is aligned with the idler adjusting plate through hole, the idler shaft 305 penetrates the idler mounting plate through slot and is arranged in the idler adjusting plate through hole, the idler mounting plate through hole is aligned with the idler adjusting plate through slot 3081, and a fastener is arranged in the two.

[0030] In the embodiment, the number of the through slot of the idler mounting plate and the through hole of the idler adjusting plate is one, and they are aligned with each other. The number of the through hole of the idler mounting plate and the through slot 3081 of the idler adjusting plate is four, and they are aligned with each other. The fastener is a screw. When the fastener is loosened, the idler shaft 305 together with the idler adjusting plate 308 can move along the through slot of the idler mounting plate and the through slot 3081 of the idler adjusting plate, so that the position adjustment of the idler 301 in the left-right direction can be realized.

[0031] Preferably, as shown in Figure 3 , the idler assembly further comprises an idler adjusting screw fixing plate 309 and an idler adjusting screw 310. The idler adjusting screw fixing plate 309 is arranged on the right side surface of the idler mounting plate 307, and a threaded hole is formed in the idler adjusting screw fixing plate 309. The idler adjusting screw 310 is arranged in the threaded hole, and the left end of the idler adjusting screw 310 abuts against the side surface of the idler adjusting plate 308. The extension direction of the idler adjusting screw 310 is the same as the extension direction of the through slot 3081 of the idler adjusting plate.

[0032] In the embodiment, when the fastener is in a loosened state, the extension length of the idler adjusting screw 310 in the threaded hole is changed, so as to drive the idler adjusting plate 308 to move left and right on the idler mounting plate 307, and thus the left-right movement of the idler 301 is realized. The idler adjusting screw 310 is a round-head idler adjusting screw.

[0033] Preferably, as shown in Figure 1 , Figure 2 , the tensioner assembly comprises a tensioner 302, a tensioner shaft 311, a tensioner moving block 312, a tensioner adjusting bottom plate 313, a tensioner cylinder 315, a tensioner adjusting screw 314, and a tensioner adjusting nut. The tensioner 302 is rotatably arranged in the tensioner moving block 312 through the tensioner shaft 311. The tensioner cylinder 315 is arranged on the tensioner moving block 312 and penetrates the slide rail mounting profile 101 of the rack 1 and the tensioner adjusting bottom plate 313 in the front-rear direction. The front end of the tensioner adjusting screw 314 is fixedly connected with the tensioner moving block 312, and the rear end penetrates the slide rail mounting profile 101 and the tensioner adjusting bottom plate 313. The tensioner adjusting nut is arranged at the rear end of the tensioner adjusting screw 314.

[0034] Preferably, as shown in Figure 2 , a plurality of tensioner adjusting bottom plate limiting holes are formed in the tensioner adjusting bottom plate 313 in the front-rear direction, and a plurality of tensioner cylinders 315 are arranged in the tensioner adjusting bottom plate limiting holes. A plurality of tensioner adjusting bottom plate connecting holes are also formed in the tensioner adjusting bottom plate 313 in the front-rear direction. The tensioner adjusting screw 314 penetrates the tensioner adjusting bottom plate connecting holes, and the tensioner moving block 312 and the tensioner adjusting bottom plate 313 are fastened through the tensioner adjusting nut.

[0035] In the embodiment, the tensioning wheel moving block 312 is in a U shape, the tensioning wheel 302 is arranged in the tensioning wheel moving block 312, the tensioning wheel shaft 311 penetrates the tensioning wheel moving block 312 in the up-down direction, and the tensioning cylinder 315 and the tensioning adjusting screw 314 are arranged on the rear side of the tensioning wheel moving block 312. The number of the tensioning cylinder 315 and the tensioning adjusting bottom plate limiting hole is four, and the number of the tensioning adjusting bottom plate connecting hole, the tensioning adjusting screw 314 and the tensioning adjusting nut is two. The operator can twist the tensioning adjusting nut to realize the matching length of the tensioning adjusting screw 314 in the tensioning adjusting bottom plate connecting hole, so as to adjust the distance between the tensioning adjusting bottom plate 313 and the slide rail mounting profile 101, thereby tightening the synchronous belt 3. The tensioning cylinder 315 guides the movement of the tensioning wheel moving block 312, so as to avoid the inclination and deviation of the tensioning wheel moving block 312 during the movement.

[0036] Preferably, as shown in the figure, the driving wheel assembly comprises a driving wheel 303, an expansion sleeve 316, a driving wheel driving source 304, and a driving source fixing plate 317. The driving source fixing plate 317 is arranged on the slide rail mounting profile 101 of the rack 1, and the driving wheel driving source 304 is arranged on the driving source fixing plate 317. The driving wheel 303 is fixed on the output shaft of the driving wheel driving source 304 through the expansion sleeve 316. Figure 4

[0037] In the embodiment, the driving wheel driving source 304 is a servo motor, the driving wheel driving source 304 is fixed on the lower end face of the driving source fixing plate 317, the motor shaft of the driving wheel driving source 304 penetrates the driving source fixing plate 317, and is connected with the driving wheel 303 through the expansion sleeve 316. In this way, the rotation of the driving wheel driving source 304 drives the driving wheel 303 to rotate, thereby realizing the rotation of the synchronous belt 3. The front and rear ends of the driving source fixing plate 317 are provided with a driving wheel connecting plate 318, and the two driving wheel connecting plates 318 are fixed on the slide rail mounting profile 101, thereby realizing the connection of the driving source fixing plate 317 and the slide rail mounting profile 101.

[0038] Preferably, as shown in the figure, the driving wheel assembly comprises a driving wheel 303, an expansion sleeve 316, a driving wheel driving source 304, and a driving source fixing plate 317. The driving source fixing plate 317 is arranged on the slide rail mounting profile 101 of the rack 1, and the driving wheel driving source 304 is arranged on the driving source fixing plate 317. The driving wheel 303 is fixed on the output shaft of the driving wheel driving source 304 through the expansion sleeve 316. Figure 4 ​As shown, the synchronous belt 3 is provided with a synchronous belt pressing plate 319, the synchronous belt pressing plate 319 is provided with a pressing plate connecting plate 320, the pressing plate connecting plate 320 is provided with a moving bottom plate 201, and the machine head 2 is arranged on the moving bottom plate 201. In the embodiment, the two ends of the synchronous belt 3 can be closed by the synchronous belt pressing plate 319, the top end of the pressing plate connecting plate 320 is fixedly connected with the bottom end of the synchronous belt pressing plate 319, and the bottom end of the pressing plate connecting plate 320 is connected with the moving bottom plate 201, so that the synchronous belt 3 drives the moving assembly and the machine head 2 to move through the synchronous belt pressing plate 319, the pressing plate connecting plate 320 and the moving bottom plate 201, and the machine head 2 sews and splices the sewing material. In order to avoid the movement interference between the moving bottom plate 201 and the driving source 304 of the driving wheel, a groove is formed in the moving bottom plate 201, when the moving bottom plate 201 moves to the right end, the groove is located outside the driving source 304 of the driving wheel, and the movement interference does not occur.

[0039] In order to achieve the above object or other objects, the utility model discloses a cloth receiving machine, and the cloth receiving machine comprises the double-tension synchronous belt driving mechanism for a cloth receiving machine.

[0040] The working principle of the double-tension synchronous belt driving mechanism for a cloth receiving machine and the cloth receiving machine is as follows:

[0041] Firstly, the operator assembles the various components according to the attached Figures 1-4 and the description of the various components, and then produces the various components.

[0042] Secondly, after the synchronous belt 3 is wound around the driving wheel 303, the tension wheel 302 and the idler wheel 301, the operator loosens the fastener by which the idler wheel adjusting plate 308 is fixed to the idler wheel mounting plate 307, then turns the idler wheel adjusting screw 310, so that the left end of the idler wheel adjusting screw 310 abuts against the right end of the idler wheel adjusting plate 308 and the idler wheel adjusting plate 308 is pushed to move leftward, thereby tensioning the synchronous belt 3, which is the first tensioning.

[0043] Then, after the first tensioning is completed, the operator turns the tension adjusting nut clockwise, the force between the tension adjusting nut and the tension adjusting screw 314 drives the tension adjusting screw 314 to move in the rear direction, thereby driving the tension wheel moving block 312 to move rearward, and the tension wheel 302 also moves rearward along with the tension wheel moving block 312, so as to achieve the purpose of tensioning the synchronous belt 3, which is the second tensioning.

[0044] Finally, after the second tensioning is completed, the operator starts the driving source 304 of the driving wheel, the driving source 304 drives the driving wheel 303 to rotate through the expansion sleeve 316, the driving wheel 303 drives the synchronous belt 3 to rotate, and the moving bottom plate 201 is driven to move through the synchronous belt pressing plate 319 and the pressing plate connecting plate 320, so that the moving assembly on the moving bottom plate 201 and the machine head 2 move leftward and rightward, and the machine head 2 splices the sewing material.

[0045] The double-tensioning synchronous belt driving mechanism and the cloth receiving machine are characterized in that: the synchronous belt 3 is in a very tight state through twice tensioning actions, so that the synchronous belt 3 obtains certain rigidity, and the vibration intensity transmitted by the moving assembly is offset.

[0046] In conclusion, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

[0047] The above-mentioned embodiments only exemplarily illustrate the principle and effects of the utility model, and are not used for limiting the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A double-tensioned synchronous belt drive mechanism for a fabric splicing machine, installed on the fabric splicing machine; the fabric splicing machine includes a frame (1), a head (2), and a synchronous belt (3), the synchronous belt drive mechanism is installed on the frame (1), the head (2) is connected to the synchronous belt (3), and the synchronous belt drive mechanism drives the head (2) to move on the frame (1) through the synchronous belt (3); Its features are: The synchronous belt drive mechanism includes an idler assembly, a tensioner assembly, and a drive pulley assembly. The synchronous belt (3) passes sequentially through the idler (301) on the idler assembly, the tensioner (302) on the tensioner assembly, and the drive pulley (303) on the drive pulley assembly, and the synchronous belt (3) forms a closed loop. The position of the idler wheel (301) on the idler wheel assembly is adjustable; the position of the tensioner wheel (302) on the tensioner wheel assembly is adjustable.

2. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 1, characterized in that: The idler wheel assembly includes an idler wheel (301), an idler wheel shaft (305), an idler wheel adjusting plate (308), and an idler wheel mounting plate (307). The idler wheel mounting plate (307) is fixed on the slide rail mounting profile (101) of the frame (1). The idler wheel shaft (305) passes through the idler wheel (301), passes through the idler wheel mounting plate (307), and is fixedly connected to the idler wheel adjusting plate (308). The position of the idler wheel adjusting plate (308) on the idler wheel mounting plate (307) is adjustable.

3. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 2, characterized in that: The idler wheel mounting plate (307) has an idler wheel mounting plate through groove through the middle, and an idler wheel mounting plate through hole through the outer side of the idler wheel mounting plate through groove; the idler wheel adjusting plate (308) has an idler wheel adjusting plate through hole through the middle, and an idler wheel adjusting plate through groove (3081) through the outer side of the idler wheel adjusting plate through hole. The slot of the idler wheel mounting plate is aligned with the through hole of the idler wheel adjusting plate. The idler wheel shaft (305) passes through the slot of the idler wheel mounting plate and is installed in the through hole of the idler wheel adjusting plate. The through hole of the idler wheel mounting plate is aligned with the slot (3081) of the idler wheel adjusting plate, and fasteners are installed in both.

4. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 3, characterized in that: The idler wheel assembly further includes an idler wheel adjusting screw fixing plate (309) and an idler wheel adjusting screw (310). The idler wheel adjusting screw fixing plate (309) is disposed on the side of the idler wheel mounting plate (307). The idler wheel adjusting screw fixing plate (309) has a threaded hole, and the idler wheel adjusting screw (310) is disposed in the threaded hole. One end of the idler wheel adjusting screw (310) abuts against the side of the idler wheel adjusting plate (308). The extending direction of the idler wheel adjusting screw (310) is the same as the extending direction of the through groove (3081) of the idler wheel adjusting plate.

5. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 1, characterized in that: The tensioning wheel assembly includes a tensioning wheel (302), a tensioning wheel shaft (311), a tensioning wheel moving block (312), a tension adjustment base plate (313), a tensioning cylinder (315), a tension adjustment screw (314), and a tension adjustment nut. The tensioning wheel (302) is rotatably mounted on the tensioning wheel moving block (312) via the tensioning wheel shaft (311). The tensioning cylinder (315) is mounted on the tensioning wheel moving block (312) and passes through the slide rail mounting profile (101) and the tension adjustment base plate (313) of the frame (1). One end of the tension adjustment screw (314) is fixedly connected to the tensioning wheel moving block (312), and the other end passes through the slide rail mounting profile (101) and the tension adjustment base plate (313). The tension adjustment nut is located at the end of the tension adjustment screw (314) away from the tensioning wheel moving block (312).

6. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 5, characterized in that: The tension adjustment base plate (313) is provided with a plurality of tension adjustment base plate limiting holes, and a plurality of tension cylinders (315) are inserted through the tension adjustment base plate limiting holes; the tension adjustment base plate (313) is also provided with a plurality of tension adjustment base plate connecting holes, and the tension adjustment screw (314) passes through the tension adjustment base plate connecting holes, and the tension wheel moving block (312) and the tension adjustment base plate (313) are fastened through the tension adjustment nut.

7. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 1, characterized in that: The drive wheel assembly includes a drive wheel (303), an expansion sleeve (316), a drive wheel drive source (304), and a drive source fixing plate (317). The drive source fixing plate (317) is mounted on the slide rail mounting profile (101) of the frame (1), and the drive wheel drive source (304) is mounted on the drive source fixing plate (317). The drive wheel (303) is fixed to the output shaft of the drive wheel drive source (304) by the expansion sleeve (316).

8. The double-tension synchronous belt drive mechanism for a fabric splicing machine according to claim 1, characterized in that: The synchronous belt (3) is provided with a synchronous belt pressure plate (319), the synchronous belt pressure plate (319) is provided with a pressure plate connecting plate (320), the pressure plate connecting plate (320) is provided with a movable base plate (201), and the machine head (2) is provided on the movable base plate (201).

9. A fabric splicing machine, characterized in that: Includes the double-tension synchronous belt drive mechanism for fabric splicing machines as described in any one of claims 1-8.

Images