CN212101312U

CN212101312U - Paper pressing device of paper folding machine applicable to printed products with different textures

Info

Publication number: CN212101312U
Application number: CN202020503723.4U
Authority: CN
Inventors: 谢明凤
Original assignee: Printing House Of Wuxi University Of Light Industry
Current assignee: Printing House Of Wuxi University Of Light Industry
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-08
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a paper device is pressed to paper folding machine, in particular to paper device is pressed to paper folding machine that can be applicable to different texture printed products. The adjustable pressing wheel mechanism comprises a base, a transmission belt, an adjusting shaft, an adjusting sliding seat, sliding sleeves, a pressing wheel support, a pressing wheel shaft and a pressing wheel assembly, wherein the adjusting shaft is transversely arranged above the base, the sliding sleeves are sleeved in the adjusting sliding seat, the two pressing wheel supports are welded on the sliding sleeves, one end of the pressing wheel support is connected with one end of the pressing wheel shaft in a rotating mode through a bearing, and the other end of the pressing wheel shaft is fixedly connected to the center of the pressing wheel assembly. The utility model discloses an add the weight dish of different quantity in the counter weight chamber of pinch roller cover, the pinch roller cover relies on the weight of weight dish to press and move ahead and rotate on the printing goods surface and along with the printing goods, has guaranteed that the sliding friction power between the printing goods of different textures and the pinch roller has satisfied the paper collecting requirement of the printing goods of different textures within reasonable demand.

Description

Paper pressing device of paper folding machine applicable to printed products with different textures

Technical Field

The utility model relates to a paper device is pressed to paper folding machine, in particular to paper device is pressed to paper folding machine that can be applicable to different texture printed products.

Background

The folding machine is mainly used for folding paper with different sizes and thicknesses in a design range and is suitable for large-batch folding of quick printing centers, production enterprises, official documents and business letters. The working process of the folding machine mainly comprises three parts of paper feeding, folding and paper collecting, wherein the paper collecting part presses and collects the folded paper so as to facilitate the paper to enter the next printing process.

In the prior art, chinese patent No. CN203652901U discloses a paper collecting unit of a folding machine, which includes a paper collecting wheel and a paper collecting belt, and further includes a support rod transversely disposed above the paper collecting belt, wherein 2 support frames are slidably disposed on the support rod, one end of each support frame is coaxially hinged to the paper collecting wheel, and the other end of each support frame is slidably disposed on the support rod. The supporting frame drives the paper collecting wheel to slide to a certain position along the supporting rod and then is fixedly connected with the supporting rod through the connecting structure. At least 2 paper collecting wheels are arranged on the supporting rod in a sliding mode, the distance between the paper collecting wheels is adjustable, the paper collecting requirements of printing products of different sizes and different forms are met, the folded paper is stacked orderly, and the folding efficiency is high.

The spacing between the delivery wheels in the technical scheme is adjustable, and the delivery requirements of printing products with different sizes can be met. However, in the actual use process, the folding machine needs to produce printed products with different textures, and if the pressure provided by the pressing wheel is not changed for the printed products with different textures, the sliding friction force between the pressing wheel and the printed products is too large or too small, so that the normal production of the printed products is affected. In order to ensure that printed products with different textures can be produced on the same folding machine, the paper pressing mechanism is required to adjust the pressure of the printed products with different textures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paper pressing device of folding machine that can be applicable to different texture printed products can adjust the pressure of pinch roller to the printed product according to the texture of printed product, guarantees that the sliding friction power between the printed product of different textures and the pinch roller is within reasonable demand.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a paper pressing device of a paper folding machine applicable to printed products with different textures comprises a base, a transmission belt, an adjusting shaft, adjusting sliding seats, a sliding sleeve, a pressing wheel support, a pressing wheel shaft and a pressing wheel assembly, wherein the transmission belt is paved on the base and arranged in parallel, the left side and the right side of the base are respectively connected with a fixed seat, the adjusting shaft is transversely arranged above the base, the two ends of the adjusting shaft are respectively and fixedly connected with the adjusting sliding seats, and the adjusting sliding seats at the two ends of the adjusting shaft are respectively and slidably connected with the fixed seats at the two sides of the; the adjusting upper is sleeved with a plurality of sliding sleeves, and the sliding sleeves can slide back and forth along the length direction of the adjusting shaft to adjust positions; two pinch roller supports are welded on the sliding sleeve, the two pinch roller supports are symmetrically arranged front and back with the sliding sleeve as the center, one end of each pinch roller support is rotatably connected with one end of a pinch roller shaft through a bearing, and the other end of each pinch roller shaft is fixedly connected with the center of the corresponding pinch roller assembly; the pinch roller assembly comprises a pinch roller sleeve, a fixing plate, a counterweight disc and a counterweight rod, wherein a counterweight cavity which is communicated from front to back is arranged in the pinch roller sleeve, the fixing plate is transversely arranged at the center of the counterweight cavity, and the edge of the fixing plate is welded on the inner side wall of the pinch roller sleeve; a plurality of counterweight rods are welded on the front end surface and the rear end surface of the fixed plate, and a plurality of counterweight plates are sleeved on the counterweight rods together; the center of the fixed plate is welded with a pinch roller shaft, and the center of the counterweight plate is provided with a pinch roller shaft hole for accommodating the pinch roller shaft to pass through.

Through adopting above-mentioned technical scheme, according to the difference of printing goods size, the position of each pinch roller cover on the adjustment regulating spindle, make a plurality of pinch roller subassemblies can push down printing goods in suitable position, the adjustment is according to the difference of printing goods texture, add different quantity's weight dish in the counter weight chamber of pinch roller cover, the weight dish passes through lock nut locking, the pinch roller cover relies on the weight of weight dish to press and moves ahead and rotate on printing goods surface and along with printing goods, guaranteed that the sliding friction power between the printing goods of different textures and the pinch roller is within reasonable demand, the paper collecting requirement of the printing goods of different textures has been satisfied.

Furthermore, the front end and the rear end of the base are respectively provided with a driven shaft and a driving shaft, the two ends of the driven shaft are rotatably connected onto the fixing base through bearings, the driven shaft is connected with a driven shaft belt wheel, the two ends of the driving shaft are rotatably connected onto the fixing base through bearings, the driving shaft is connected with a driving shaft belt wheel, the two ends of the driving belt are respectively sleeved on the driven shaft belt wheel of the driven shaft and the driving shaft belt wheel of the driving shaft, and one end of the driving shaft is connected.

Through adopting above-mentioned technical scheme, driving motor drives the drive shaft and rotates, and the drive shaft cooperation driven shaft drives the transmission shaft and rotates, and the transmission shaft drives the printed matter and moves ahead.

Furthermore, the fixed seat is provided with an adjusting slide rail along the front-back direction, and the adjusting slide rail is connected to the adjusting slide rail of the fixed seat through a slide block arranged at the bottom.

Through adopting above-mentioned technical scheme, adjust the seat and can pass through the slider and can follow the regulation slide rail seesaw of fixing base, guaranteed the smooth and easy nature of adjusting the seat adjustment position.

Furthermore, an adjusting rack is arranged on the fixed seat along the front-back direction, the adjusting slide seat is rotatably connected with a rotating shaft through a bearing, one end of the rotating shaft is fixedly connected with the central position of an adjusting gear, and the adjusting gear is meshed with the adjusting rack.

By adopting the technical scheme, the rotating shaft can drive the adjusting gear to rotate, and the adjusting gear is connected with the adjusting rack in a meshed manner to realize the forward and backward movement of the adjusting sliding seat on the fixed seat.

Furthermore, the other end of the rotating shaft is fixedly connected with the center of the rotating disc, a handle mounting hole of a circular structure is formed in the position, connected with the adjusting handle, of the rotating disc, one end of the adjusting handle is inserted into the handle mounting hole, and the adjusting handle is connected to the circumference of the maximum diameter of the rotating disc.

Through adopting above-mentioned technical scheme, adjustment handle is located the maximum diameter circle of rolling disc for obtain the biggest rotation moment of torsion when rotating adjustment handle, rotate adjustment handle and drive the rolling disc and rotate.

Further, be equipped with a plurality of locking holes along the fore-and-aft direction on the fixing base, be equipped with the bolt hole on the regulation slide, the bolt hole is located directly over the route that a plurality of locking holes constitute, the downthehole cartridge bolt of bolt, the bolt is L shape structure, the montant position of bolt is downthehole in the bolt, the horizontal pole position of bolt is in adjusting the slide up end, one side in bolt hole is equipped with the locking groove with bolt hole intercommunication, slide from top to bottom including the horizontal pole portion that the locking groove can hold the bolt, the montant portion of bolt can stretch out the bolt hole and get into in the locking hole of below position, realize adjusting the position locking of slide on the fixing base, bolt hole one side is equipped with the auxiliary tank with bolt hole intercommunication, the horizontal pole portion of bolt can get into in the auxiliary tank, make the bolt receive blockking.

Through adopting above-mentioned technical scheme, when adjusting the slide along fixing base adjusting position, the horizontal pole position of bolt is in the auxiliary tank, and the montant position of bolt this moment can not stretch into the locking hole in the bolt hole, and when needs will adjust the slide locking on the fixing base, the pulling bolt is put into the locking groove with the horizontal pole portion of bolt, and the montant portion of bolt stretches out the bolt hole and stretches into the locking hole this moment, has realized adjusting the position locking of slide on the fixing base.

Furthermore, the side surface of the sliding sleeve is connected with a locking bolt through threads, and one end of the locking bolt extends into the sliding sleeve and is tightly propped against the adjusting shaft.

Through adopting above-mentioned technical scheme, screw up the locking bolt, locking bolt one end top tight regulating spindle for the position between regulating spindle and the sliding sleeve is locked.

Furthermore, a thread part is arranged on the counterweight rod, and the thread part of the counterweight rod is connected with a counterweight locking nut.

Through adopting above-mentioned technical scheme, the counter weight lock nut of screwing for a plurality of counter weight dishes on the counter weight pole are locked together.

To sum up, the utility model discloses following beneficial effect has:

1. by adding different numbers of the counterweight plates into the counterweight cavities of the pressure roller sleeve, the pressure roller sleeve is pressed on the surface of the printed product by the weight of the counterweight plates and rotates along with the forward movement of the printed product, so that the sliding friction force between the printed products with different textures and the pressure roller is ensured to be within reasonable requirements, and the paper collection requirements of the printed products with different textures are met;

2. the front and back positions of the adjusting sliding seat can be manually adjusted through the arrangement of the gear rack, the rotating disc and the adjusting handle;

3. the distances among the plurality of pressing wheel assemblies can be adjusted through the sliding sleeve and the locking and locking bolt on the sliding sleeve, so that the paper collection requirements of printing products with different sizes are met;

4. through the setting of bolt, can realize firm locking with adjusting the slide.

Drawings

Fig. 1 is a perspective view of the first viewing angle of the present invention.

Fig. 2 is a perspective view of the second viewing angle of the present invention.

Fig. 3 is an enlarged view of a in fig. 2.

FIG. 4 is a block diagram of the counterweight plate fitted in the pinch roller sleeve.

FIG. 5 is a block diagram of the weight plate removed from the press roller sleeve.

In the figure, 1, a base; 2. a transmission belt; 3. a driven shaft; 4. a drive shaft; 5. a driven shaft pulley; 6. a drive shaft pulley; 7. a drive motor; 8. an adjustment shaft; 9. adjusting the sliding seat; 10. adjusting the slide rail; 11. adjusting the rack; 12. an adjusting gear; 13. a fixed seat; 14. a rotating shaft; 15. rotating the disc; 16. an adjusting handle; 17. a sliding sleeve; 18. locking the bolt; 19. a pinch roller bracket; 20. a pinch roller shaft; 21. a pressing wheel sleeve; 22. a fixing plate; 23. a weight plate; 24. a weight lever; 25. a counterweight lock nut; 26. a pressure wheel shaft hole; 27. a locking hole; 28. a pin hole; 29. a bolt; 30. a locking groove; 31. an auxiliary groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses mainly include base 1, drive belt 2, regulating spindle 8, adjust slide 9, sliding sleeve 17, pinch roller support 19, pinch roller axle 20 and pinch roller assembly, base 1 upper berth is equipped with a plurality of parallel arrangement's of each other drive belt 2, and on the printed matter after folding paper got into base 1, then moved ahead by drive belt 2 and carried out the pressure paper. The left side and the right side of the base 1 are respectively connected with a fixed seat 13.

As shown in fig. 1, the front end and the rear end of the base 1 are respectively provided with a driven shaft 3 and a driving shaft 4, two ends of the driven shaft 3 are rotatably connected to the fixing seat 13 through bearings, and the driven shaft 3 is connected to the driven shaft belt wheel 5. 4 both ends of drive shaft are passed through the bearing and are rotated and connect on fixing base 13, connect drive shaft band pulley 6 on the drive shaft 4, and 2 both ends of drive belt are established respectively on driven shaft band pulley 5 of driven shaft 3 and drive shaft band pulley 6 of drive shaft 4, and drive motor 7 is connected to 4 one end of drive shaft, and drive motor 7 during operation drives drive shaft 4 and rotates, and drive shaft 4 again with the cooperation of driven shaft 3 drive belt 2 and rotate.

As shown in FIG. 1, an adjusting shaft 8 is transversely disposed above the base 1, and two ends of the adjusting shaft 8 are respectively and fixedly connected with an adjusting slide seat 9. In order to facilitate the adjustment of the adjusting shaft to the front and rear positions on the base, the adjusting sliders 9 at the two ends of the adjusting shaft 8 are respectively connected to the fixing seats 13 at the two sides of the base 1 in a sliding manner.

In order to ensure the sliding stability of the adjusting slide 9, as shown in fig. 1, an adjusting slide rail 10 is arranged on the fixed seat 13 along the front-back direction, and the adjusting slide 9 is slidably connected to the adjusting slide rail 10 of the fixed seat 13 through a slide block arranged at the bottom.

In order to drive the adjusting slide seat 9 to slide back and forth along the fixed seat 13 in a labor-saving manner, as shown in fig. 3, an adjusting rack 11 is arranged on the fixed seat 13 in the back and forth direction, the adjusting slide seat 9 is rotatably connected with a rotating shaft 14 through a bearing, one end of the rotating shaft 14 is fixedly connected with the central position of an adjusting gear 12, and the adjusting gear 12 is meshed with the adjusting rack 11. When the rotating shaft 14 rotates, the adjusting gear is driven to rotate, and the adjusting gear drives the whole adjusting slide 9 to move back and forth along the fixed seat 13 through meshing with the adjusting rack.

In order to further drive the adjusting slide carriage 9 to slide back and forth along the fixed seat 13 in a labor-saving manner, as shown in fig. 3, the other end of the rotating shaft 14 is fixedly connected with the center of the rotating disc 15, a handle mounting hole with a circular structure is formed in the position, connected with the adjusting handle 16, on the rotating disc 15, and one end of the adjusting handle 16 is inserted into the handle mounting hole. An adjustment handle 16 is attached to the largest diameter circumference of the turn disc 15.

In order to fix the position of the adjustment slider 9 on the fixed seat 13, as shown in fig. 3, a plurality of locking holes 27 are formed in the fixed seat 13 in the front-rear direction, and a latch hole 28 is formed in the adjustment slider 9, and the latch hole 28 is located right above a path formed by the plurality of locking holes 27. A bolt 29 is inserted in the bolt hole 28, the bolt 29 is of an L-shaped structure, the vertical rod part of the bolt 29 is positioned in the bolt hole 28, and the horizontal rod part of the bolt 29 is positioned on the upper end surface of the adjusting slide seat 9. One side of the bolt hole 28 is provided with a locking groove 30 communicated with the bolt hole 28, the locking groove 30 can accommodate a transverse rod part of the bolt 29 to slide up and down, and when the transverse rod part of the bolt 29 enters the locking groove 30, a vertical rod part of the bolt 29 can extend out of the bolt hole 28 and enter a locking hole 27 in the lower position, so that the position locking of the adjusting slide seat 9 on the fixed seat 13 is realized. The latch hole 28 is provided at one side thereof with an auxiliary groove 31 communicating with the latch hole 28, and a cross bar portion of the latch 29 can enter the auxiliary groove 31 so that the latch 29 is blocked by the auxiliary groove 31 to be unable to rotate freely.

As shown in fig. 2, a plurality of sliding sleeves 17 are sleeved on the adjusting shaft 8, the sliding sleeves 17 can slide back and forth along the length direction of the adjusting shaft 8 to adjust the position, the side surfaces of the sliding sleeves 17 are connected with locking bolts 18 through threads, one end of each locking bolt 18 extends into the corresponding sliding sleeve 17 and abuts against and contacts with the adjusting shaft 8, and the adjusting shaft 8 and the sliding sleeves 17 can be locked through the locking bolts 18.

As shown in fig. 1, two pinch roller supports 19 are welded on the sliding sleeve 17, and the two pinch roller supports 19 are arranged in front-back symmetry with the sliding sleeve 17 as the center. One end of the pinch roller bracket 19 is rotatably connected with one end of a pinch roller shaft 20 through a bearing, and the other end of the pinch roller shaft 20 is fixedly connected with the center of the pinch roller assembly.

As shown in fig. 3 and 5, the pinch roller assembly includes a pinch roller sleeve 21, a fixing plate 22, a weight plate 23 and a weight rod 24, a front-back through weight cavity is provided in the pinch roller sleeve 21, the fixing plate 22 is transversely provided at the center of the weight cavity, and the edge of the fixing plate 22 is welded on the inner side wall of the pinch roller sleeve 21. A plurality of weight rods 24 are welded on the front end surface and the rear end surface of the fixing plate 22, and a plurality of weight plates 23 are sleeved on the weight rods 24. When the device is used, a proper number of the counterweight plates are selected to be sleeved on the counterweight rods according to requirements.

As shown in fig. 3 and 5, the center of the fixing plate 22 is welded with the pressure roller shaft 20, and in order to avoid the pressure roller shaft 20, the center of the weight plate 23 is provided with a pressure roller shaft hole 26 for receiving the pressure roller shaft 20 therethrough.

As shown in fig. 4 and 5, the weight lever 24 is provided with a threaded portion, the threaded portion of the weight lever 24 is connected with a weight lock nut 25, and the weight lock nut 25 can lock the weight plates 23 on the weight lever 24 together.

The utility model discloses a theory of operation is: during operation, folded printed matters enter the base and are driven by the transmission belt to move forwards. The pinch roller assembly presses on the surface of the printed product by means of gravity to flatten the surface of the printed product. According to the difference of the texture of the printed product, different numbers of weight plates are added into the weight cavity of the pressure wheel sleeve, and the weight plates are locked by weight locking nuts. The press wheel sleeve is pressed on the surface of the printed product by the weight of the counterweight plate and rotates along with the forward movement of the printed product, so that the sliding friction force between the printed products with different textures and the press wheel assembly is ensured within reasonable requirements, and the paper collection requirements of the printed products with different textures are met.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a can be applicable to paper pressing device of folding machine of different texture printed products, includes base (1), drive belt (2), regulating spindle (8), adjusts slide (9), sliding sleeve (17), pinch roller support (19), pinch roller axle (20) and pinch roller assembly, base (1) upper berth is equipped with a plurality of parallel arrangement's of each other drive belt (2), and fixing base (13), its characterized in that are connected respectively to base (1) the left and right sides: an adjusting shaft (8) is transversely arranged above the base (1), two ends of the adjusting shaft (8) are fixedly connected with adjusting sliding seats (9) respectively, and the adjusting sliding seats (9) at two ends of the adjusting shaft (8) are connected to fixing seats (13) at two sides of the base (1) in a sliding mode respectively; a plurality of sliding sleeves (17) are sleeved on the adjusting shaft (8), and the sliding sleeves (17) can slide back and forth along the length direction of the adjusting shaft (8) to adjust the position; two pinch roller supports (19) are welded on the sliding sleeve (17), the two pinch roller supports (19) are symmetrically arranged in front and back directions by taking the sliding sleeve (17) as a center, one end of each pinch roller support (19) is rotatably connected with one end of a pinch roller shaft (20) through a bearing, and the other end of each pinch roller shaft (20) is fixedly connected to the center of the pinch roller assembly; the pinch roller assembly comprises a pinch roller sleeve (21), a fixing plate (22), a counterweight disc (23) and a counterweight rod (24), a counterweight cavity which is through from front to back is arranged in the pinch roller sleeve (21), the fixing plate (22) is transversely arranged at the center of the counterweight cavity, and the edge of the fixing plate (22) is welded on the inner side wall of the pinch roller sleeve (21); a plurality of counterweight rods (24) are welded on the front end surface and the rear end surface of the fixing plate (22), and a plurality of counterweight discs (23) are sleeved on the counterweight rods (24) together; the center of the fixing plate (22) is welded with the pinch roller shaft (20), and the center of the counterweight plate (23) is provided with a pinch roller shaft hole (26) for accommodating the pinch roller shaft (20) to pass through.

2. The paper pressing device of a folding machine applicable to printed products of different textures as claimed in claim 1, wherein: base (1) front and back end is equipped with driven shaft (3) and drive shaft (4) respectively, driven shaft (3) both ends are passed through the bearing and are rotated the connection on fixing base (13), connect driven shaft band pulley (5) on driven shaft (3), drive shaft (4) both ends are passed through the bearing and are rotated the connection on fixing base (13), connect on drive shaft (4) drive shaft band pulley (6), drive belt (2) both ends are established respectively on driven shaft band pulley (5) of driven shaft (3) and on drive shaft band pulley (6) of drive shaft (4), driving motor (7) are connected to drive shaft (4) one end.

3. The paper pressing device of a folding machine applicable to printed products of different textures as claimed in claim 1, wherein: the adjusting slide rail (10) is arranged on the fixing seat (13) along the front-back direction, and the adjusting slide seat (9) is connected to the adjusting slide rail (10) of the fixing seat (13) in a sliding mode through a slide block arranged at the bottom.

4. The paper pressing device of a folding machine applicable to printed products of different textures as claimed in claim 1, wherein: the adjusting mechanism is characterized in that an adjusting rack (11) is arranged on the fixed seat (13) in the front-back direction, the adjusting slide seat (9) is rotatably connected with a rotating shaft (14) through a bearing, one end of the rotating shaft (14) is fixedly connected with the central position of an adjusting gear (12), and the adjusting gear (12) is meshed with the adjusting rack (11).

5. Paper pressing device of a folding machine applicable to printed products of different textures, according to claim 4, characterized in that: the other end of the rotating shaft (14) is fixedly connected with the center of the rotating disc (15), a handle mounting hole of a circular structure is formed in the position, connected with the adjusting handle (16), of the rotating disc (15), one end of the adjusting handle (16) is inserted into the handle mounting hole, and the adjusting handle (16) is connected to the circumference of the maximum diameter of the rotating disc (15).

6. The paper pressing device of a folding machine applicable to printed products of different textures as claimed in claim 1, wherein: a plurality of locking holes (27) are formed in the fixing seat (13) in the front-back direction, a bolt hole (28) is formed in the adjusting slide seat (9), the bolt hole (28) is located right above a path formed by the locking holes (27), a bolt (29) is inserted in the bolt hole (28), the bolt (29) is of an L-shaped structure, a vertical rod of the bolt (29) is located in the bolt hole (28), a horizontal rod of the bolt (29) is located on the upper end face of the adjusting slide seat (9), a locking groove (30) communicated with the bolt hole (28) is formed in one side of the bolt hole (28), the locking groove (30) can accommodate the horizontal rod of the bolt (29) to slide up and down, the vertical rod of the bolt (29) can extend out of the bolt hole (28) and enter the locking hole (27) in the lower position, the position of the adjusting slide seat (9) on the fixing seat (13) is locked, an auxiliary groove (31) communicated with the bolt hole (28) is formed in one side of, the cross bar part of the bolt (29) can enter the auxiliary groove (31) so that the bolt (29) cannot rotate freely under the blocking of the auxiliary groove (31).

7. The paper pressing device of a folding machine applicable to printed products of different textures as claimed in claim 1, wherein: the side surface of the sliding sleeve (17) is connected with a locking bolt (18) through threads, and one end of the locking bolt (18) extends into the sliding sleeve (17) and is tightly pressed against the adjusting shaft (8).

8. The paper pressing device of a folding machine applicable to printed products of different textures as claimed in claim 1, wherein: and a thread part is arranged on the counterweight rod (24), and the thread part of the counterweight rod (24) is connected with a counterweight locking nut (25).