CN113353673B - Gypsum building material constant speed control and processing application system - Google Patents
Gypsum building material constant speed control and processing application system Download PDFInfo
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- CN113353673B CN113353673B CN202110544395.1A CN202110544395A CN113353673B CN 113353673 B CN113353673 B CN 113353673B CN 202110544395 A CN202110544395 A CN 202110544395A CN 113353673 B CN113353673 B CN 113353673B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
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Abstract
The invention discloses a constant-speed control and processing application system for gypsum building materials, which comprises a film roller with a film roll, a multi-stage transmission in transmission connection with the film roller and an outer diameter detection transmission assembly for controlling the adjustment of the multi-stage transmission, wherein the multi-stage transmission is provided with a speed change connecting rod for adjusting the transmission ratio of the multi-stage transmission, the outer diameter detection transmission assembly is connected with the speed change connecting rod, the outer diameter detection transmission assembly detects the change of the outer diameter of the film roll on the film roller, and the outer diameter detection transmission assembly drives the speed change connecting rod to improve the transmission ratio of the multi-stage transmission in a compensatory manner according to the reduction of the outer diameter of the film roll on the film roller, so that the rotation speed of the film roller is increased in a compensatory manner by the multi-stage transmission, the situation that the length of a film released by each rotation of the film roll at the same rotation speed is shorter and shorter along with the gradual reduction of the outer diameter of the film roll is avoided, and the supply of the film is ensured to meet the film covering requirement.
Description
Technical Field
The invention relates to the technical field of gypsum detection and processing, in particular to a constant speed control and processing application system for gypsum building materials.
Background
The gypsum building material film is made of a gypsum board film as an example, the film-coated gypsum board is made of a specially-made high-strength paper-faced gypsum board as a base plate, and a special process is adopted, so that a high-quality film is bonded and pressed on the surface of the film-coated gypsum board, the surface of the film-coated gypsum board has various textures, the visual effect is unique, and the individualized decoration requirement can be fully met. And has the characteristics of health, environmental protection, durability, no dust fall, moisture resistance, mildew resistance, sinking resistance, easy cleaning, convenient maintenance and the like.
Tectorial membrane gypsum board is in the course of working, film unwinding device needs to cooperate gypsum board conveyor's rate of delivery to carry out the release of film, generally, film unwinding device adjusts film release rate through the rotational speed of adjusting the membrane roller that has the lapping film, because the external diameter of lapping film reduces gradually along with the continuous release of film, the length of the film that the membrane roller did not rotate the round under equal rotational speed and releases reduces gradually promptly, consequently, need improve the rotational speed of membrane roller gradually at the tectorial membrane in-process.
However, in the prior art, the rotating speed of the film roller, that is, the film release rate, is usually and directly increased by adjusting the rotating speed of the motor, but the precision requirements of the motor and the electric automation control system are very high in this way, which results in greatly increased production and maintenance costs of the equipment, and once the equipment fails, the production progress is affected by requiring a professional to repair and debug for a long time.
Disclosure of Invention
The invention aims to provide a gypsum building material constant-speed control and processing application system, which aims to solve the technical problems of high cost and difficult maintenance and adjustment of film release rate adjusting equipment in the prior art due to the fact that the film release rate is adjusted by an electric automatic control system.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the constant-speed control and processing application system for the gypsum building materials comprises a film roller with a film roll, a multi-stage transmission in transmission connection with the film roller and a film constant-speed releasing device used for controlling the multi-stage transmission to adjust, wherein the multi-stage transmission adjusts the rotating speed of the film roller under the control of the film constant-speed releasing device so that the film roll on the film roller releases an equal amount of film in unit time;
the constant-speed film releasing device comprises a support and an outer diameter detection transmission assembly arranged on the support, two ends of the film roller are arranged on the support, the multi-stage transmission is arranged on the support and provided with a speed change connecting rod used for adjusting the transmission ratio of the multi-stage transmission, the outer diameter detection transmission assembly is connected with the speed change connecting rod, the outer diameter detection transmission assembly detects and detects the change of the outer diameter of a wound film on the film roller, the outer diameter detection transmission assembly drives the speed change connecting rod to improve the transmission ratio of the multi-stage transmission in a compensatory manner according to the reduction of the outer diameter of the wound film on the film roller, and the rotating speed of the film roller is improved along with the increase of the transmission ratio of the multi-stage transmission, so that the wound film on the film roller releases the film at a constant speed.
As a preferable scheme of the present invention, the outer diameter detection transmission assembly includes a guide rod, an abutment rod and an elastic member, the guide rod and the film roller are arranged on the support in the same radial direction, the abutment rod is arranged opposite to the film roller, the front end of the abutment rod is slidably mounted on the guide rod, the elastic member is mounted on the guide rod and connected with the abutment rod, and the abutment rod is connected with the speed change link;
the film roller is characterized in that the abutting rod abuts against the surface of a rolled film on the film roller under the driving of the elastic piece, the abutting rod continuously moves towards the film roller along with the reduction of the outer diameter of the rolled film on the film roller, and the abutting rod moves towards the film roller and drives the speed change connecting rod to act, so that the multi-stage transmission can be used for increasing the rotating speed of the film roller in a compensatory manner according to the continuous reduction of the outer diameter of the rolled film on the film roller.
As a preferable scheme of the present invention, a cavity is formed in the guide rod, a chute communicating with the cavity is formed in one side of the guide rod, a sliding connecting rod is slidably mounted in the cavity, one end of the leaning rod is slidably mounted in the chute and connected with the sliding connecting rod, and the leaning rod is connected with the speed change connecting rod through the sliding connecting rod.
As a preferable mode of the present invention, both ends of the guide bar are mounted on the bracket through end seats, the end seats are located at both ends of the film roll in the diameter direction, the end of the film roll is spaced from and arranged opposite to the guide bar, and the end of the film roll is mounted with a driven gear for connecting the multistage transmission.
As a preferable scheme of the present invention, the sliding link is connected to the speed change link through a reversing transmission assembly, the reversing transmission assembly includes a rack, a threaded gear and a support for positioning the threaded gear, one end of the rack is mounted on the sliding link, the rack and the sliding link are located on the same line, and the threaded gear is rotatably mounted on the support through the support and engaged with the rack;
offer on the support and be used for holding the threaded gear reaches the gear clamping groove of rack, just the intercommunication has all been seted up at the both ends of support the shaft hole of gear clamping groove, the equal coaxial arrangement in both ends of threaded gear with shaft hole matched with hollow shaft, set up along the axis in the hollow shaft and run through its both ends and pore wall and have the internal screw thread hole, the speed change connecting rod with the hollow shaft reaches the cooperation of pegging graft of threaded gear, just have on the outer wall of speed change connecting rod with screw hole matched with external screw thread.
As a preferable scheme of the present invention, a shield for guiding and protecting the rack is mounted on the bracket and at both ends of the support, a cavity having a width corresponding to the thickness of the rack is provided in the shield, and the rack is slidably mounted in the cavity.
As a preferable scheme of the present invention, the multi-stage transmission includes a housing, an output shaft, and an input shaft for power input, the input shaft and the output shaft are parallel to each other, and both ends of the input shaft are rotatably mounted on the housing, a frustum-shaped cone pulley coaxially disposed in the housing is fixedly mounted on the input shaft, a pulley fixedly fitted to the output shaft in a circumferential direction is axially slidably mounted on the output shaft, the pulley and the cone pulley are connected by a transmission belt, and the output shaft is mounted with a driving gear engaged with the driven gear;
the utility model discloses a transmission gear, including cone pulley, driving belt, speed change connecting rod, speed change plectrum, guide way embedding and slidable mounting have a connection, the surface slidable mounting of cone pulley has and is used for driving the speed change plectrum that driving belt removed, the speed change plectrum with the speed change connecting rod is connected, the speed change plectrum has the confession the spacing trough of belt that driving belt's the area body passed, the guide way has been seted up along the axial on the surface of cone pulley, embedded and slidable mounting in the guide way has the connection the direction slider of speed change plectrum, the speed change plectrum passes through the direction slider with the cooperation of guide way is followed all the time the surface slip of cone pulley.
As a preferable scheme of the present invention, the speed changing shifting piece drives the belt pulley to slide along the output shaft through a shifting fork, and a tensioning mechanism for maintaining a tensioning degree of the transmission belt is installed on the shifting fork.
As a preferable aspect of the present invention, the shift link is axially slidably mounted on the housing, and the shift paddle is connected to the shift link by a rotation connection assembly, and the shift link is adapted to rotate with the bevel wheel and to change a distance between the shift paddle and the shift paddle when the shift paddle slides along the guide chute by the rotation connection assembly.
As a preferable scheme of the present invention, the rotary connection assembly includes an outer ring, an inner ring, and a telescopic rod mounted on the inner ring, the inner ring is rotatably mounted on an inner wall of the outer ring through an axial limit bearing and axially and fixedly cooperates with the outer ring, one end of the telescopic rod is mounted on the inner ring, and the other end of the telescopic rod is connected to the speed change paddle, and a straight line on which the telescopic rod is located in a plane corresponding to the guide groove, and an inner diameter of the inner ring is not smaller than outer diameters of the cone wheels at two ends of the guide groove.
Compared with the prior art, the invention has the following beneficial effects:
the invention detects the outer diameter of the film on the film roller through the outer diameter detection transmission assembly, controls the reversing transmission assembly to adjust the transmission ratio of the multi-stage transmission through the speed change connecting rod according to the change of the outer diameter of the film, enables the multi-stage transmission to increase the rotating speed of the film roller in a compensatory way, and avoids the situation that the length of the film released by the film roller in each rotation at the same rotating speed is shorter and shorter along with the gradual reduction of the outer diameter of the film, thereby ensuring that the supply of the film meets the film covering requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an outer diameter detection transmission assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of an end seat structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rotating connecting assembly according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a film roller; 2-a multi-speed transmission; 3-film constant speed releasing device; 4-a speed change link; 5-a sliding connecting rod; 6-end seat; 7-a driven gear; 8-a reversing transmission assembly; 9-a shield; 10-a drive gear; 11-a shifting fork; 12-a tensioning mechanism; 13-a rotating connection assembly;
201-a housing; 202-an output shaft; 203-input shaft; 204-a cone wheel; 205-a pulley; 206-a drive belt; 207-shift paddle; 208-a guide slide;
2041-guide slots; 2071-limit belt trough;
301-a scaffold; 302-outer diameter detection transmission assembly;
3021-a guide bar; 3022-leaning against the rod; 3023-an elastic member;
801-rack; 802-threaded gear; 803-support; 804-a hollow shaft;
8031-gear card slot; 8032-shaft hole;
1301-an outer ring; 1302-inner ring; 1303-telescopic rod; 1304-axial limit bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a gypsum building material constant speed control and processing application system, which comprises a film roller 1 for winding a film, a multi-stage transmission 2 in transmission connection with the film roller 1, and a film constant speed releasing device 3 for controlling the adjustment of the multi-stage transmission 2, wherein the multi-stage transmission 2 adjusts the rotation speed of the film roller 1 under the control of the film constant speed releasing device 3, so that the film wound on the film roller 1 releases an equal amount of film in a unit time.
The film uniform-speed releasing device 3 comprises a support 301, an outer diameter detection transmission assembly 302 and a reversing transmission assembly 8, two ends of a film roller 1 are mounted on the support 301, a multi-stage transmission 2 is mounted on the support 301, and the multi-stage transmission 2 is provided with a speed change connecting rod 4 for adjusting the transmission ratio of the multi-stage transmission.
The outer diameter detection transmission assembly 302 detects the outer diameter of the film wound on the film roller 1, controls the reversing transmission assembly 8 to adjust the transmission ratio of the multi-stage transmission 2 through the speed change connecting rod 4 according to the change of the outer diameter of the film wound, enables the multi-stage transmission 2 to increase the rotating speed of the film roller 1 in a compensatory manner, avoids the situation that the length of the film released by the film wound in each rotation of one circle is shorter and shorter along with the gradual reduction of the outer diameter of the film wound, and ensures that the supply of the film meets the film coating requirement.
The outer diameter detection transmission assembly 302 includes a guide rod 3021, an abutting rod 3022 and an elastic member 3023, the guide rod 3021 is arranged on the support 301 in the same direction as the radial direction of the film roller 1, the abutting rod 3022 is arranged opposite to the film roller 1, the front end of the abutting rod 3022 is slidably mounted on the guide rod 3021, the elastic member 3023 is mounted on the guide rod 3021 and connected with the abutting rod 3022, and the abutting rod 3022 is connected with the speed change link 4 through the reversing transmission assembly 8.
The contact rod 3022 is driven by the elastic member 3023 to contact the surface of the film roll on the film roll 1, the contact rod 3022 is continuously moved towards the film roll 1 as the outer diameter of the film roll on the film roll 1 decreases, and the contact rod 3022 is moved towards the film roll 1 and drives the speed change link 4 through the reversing transmission assembly 8, so that the multi-speed transmission 2 is compensated to increase the rotating speed of the film roll 1 according to the outer diameter of the film roll on the film roll 1.
The guide rod 3021 is located at the side of the film roll 1 and the film roll, the attaching rod 3022 is attached to the side of the film roll under the driving of an elastic member 3023 such as a spring, and when the film roll continuously releases the film along with the rotation of the film roll 1 and the outer diameter of the film roll is continuously reduced, the attaching rod 3022 moves towards the film roll 1 along the radial direction of the film roll under the pulling of the elastic member 3023, so that the speed change link 4 connected to the attaching rod 3022 is operated, the speed ratio of the multi-stage transmission 2 is correspondingly increased under the adjustment of the speed change link 4, the rotation speed of the film roll 1 connected to the multi-stage transmission 2 is complementarily increased, that is, during the film roll continuously releases the film, the change of the outer diameter of the film roll is detected and the rotation speed of the film roll 1 is complementarily increased by the change amount of the outer diameter of the film roll, the circumference of the outermost film of the film roll is continuously decreased and the rotation speed adaptability of the film roll is continuously increased, thereby realizing that the film can be released in the same length of the film roll in the same time.
It is further optimized in the above embodiment that a cavity is formed in the guide rod 3021, a chute communicating with the cavity is formed in one side of the guide rod 3021, a sliding connecting rod 5 is slidably mounted in the cavity, one end of the leaning rod 3022 is slidably mounted in the chute and connected with the sliding connecting rod 5, and the leaning rod 3022 is connected with the reversing transmission assembly 8 through the sliding connecting rod 5.
On the one hand, the abutment lever 3022 is slidably mounted in the slide groove, avoiding a rotation of the abutment lever 3022 about the axis of the guide lever 3021, thus ensuring a good abutment of the abutment lever 3022 against the surface of the film wound on the film roll 1. On the other hand, the reaction force applied to the abutment lever 3022 when the abutment lever is brought into abutment with the roll film is dispersed by the slide link 5, so that the abutment lever 3022 is prevented from being easily bent by the reaction force due to direct sliding connection with the guide lever 3021, and the service life of the abutment lever 3022 is prolonged.
Wherein, the both ends of guide bar 3021 are all installed on support 301 through end seat 6, and end seat 6 is located the diameter direction's of film roller 1 both ends, and the tip of film roller 1 and guide bar 3021 interval and positive phase are relative to setting up, and driven gear 7 that is used for connecting multi-stage transmission 2 is installed to the tip of film roller 1.
The guide rod 3021 is mounted on the support 301 through the end seat 6 and is spaced from the support 301 and the ends of the film roll 1 so that the end of the film roll 1 protruding from the support 301 is connected to the multi-stage transmission 2 through the driven gear 7, and the driven gear 7 is provided in order that, due to the presence of the slide link 5, when the abutment rod 3022 moves to abut against or approach the film roll 1, the slide link 5 must pass through the film roll 1 at this time so as to avoid the film roll 1 from blocking the slide link 5 and restricting the movement of the abutment rod 3022. Therefore, in order to avoid the above-mentioned contradiction, the driven gear 7 is provided at the end of the film roll 1 to connect with the multi-stage transmission 2, and the guide rod 3021 is spaced from the end of the film roll 1 by the end seat 6 to avoid the interference between the fixed guide rod 3021 and the rotating film roll 1.
The reversing transmission assembly 8 comprises a rack 801, a threaded gear 802 and a support 803 for positioning the threaded gear 802, one end of the rack 801 is mounted on the sliding connecting rod 5, the rack 801 and the sliding connecting rod 5 are located on the same straight line, and the threaded gear 802 is rotatably mounted on the bracket 301 through the support 803 and meshed with the rack 801.
Offer the gear draw-in groove 8031 that is used for holding threaded gear 802 and rack 801 on the support 803, and the both ends of support 803 all offer the shaft hole 8032 that communicates gear draw-in groove 8031, the equal coaxial arrangement in both ends of threaded gear 802 has the hollow shaft 804 with shaft hole 8032 matched with, it has the internal screw thread hole that runs through its both ends and pore wall to offer along the axis in the hollow shaft 804, speed change connecting rod 4 and hollow shaft 804 and threaded gear 802 are pegged graft the cooperation, and have on the outer wall of speed change connecting rod 4 with screw hole matched with external screw thread.
Specifically, when the sliding link 5 is driven by the elastic element 3023 to move along the cavity in the guide rod 3021, the rack 801 mounted at the tail of the sliding link 5 drives the threaded gear 802 engaged with the support 803 to rotate, and since the hollow shaft 804 at the two ends of the threaded gear 802 is engaged with the speed change link 4 having external threads through the threaded hole having internal threads, when the threaded gear 802 positioned by the support 803 is driven to rotate, the hollow shaft 804 at the two ends of the threaded gear 802 drives the speed change link 4 screwed with the hollow shaft to move along the axis thereof, thereby achieving the purpose of driving the speed change link 4 to move.
In addition, the force direction conversion is realized through the matching of the rack 801, the threaded gear 802 and the hollow shaft 804, the defect that the whole width is too large due to the fact that the speed change connecting rod 4 is directly connected with the sliding connecting rod 5 is avoided, and the transmission with different proportional distances is realized through the conversion of linear-rotation-linear motion forms by replacing the hollow shaft 804 and the speed change connecting rod 4 with different thread parameters, so that the multistage transmission 2 with different parameters is adjusted and controlled.
It is further optimized in the above embodiment that the shields 9 for guiding and protecting the rack 801 are mounted on the support 301 and at both ends of the support 803, a cavity with a width corresponding to the thickness of the rack 801 is formed in each shield 9, and the rack 801 is slidably mounted in the cavity to prevent the rack 801 from bending and prevent the rack 801 from being exposed to cause potential safety hazard.
The multi-stage transmission 2 comprises a housing 201, an output shaft 202 and an input shaft 203 for power input, wherein the input shaft 203 and the output shaft 202 are parallel to each other, two ends of the input shaft 203 and two ends of the output shaft 202 are rotatably mounted on the housing 201, a frustum-shaped conical wheel 204 which is positioned in the housing 201 and is coaxially arranged with the input shaft 203 is fixedly mounted on the input shaft 203, a belt wheel 205 which is fixedly matched with the output shaft 202 in the circumferential direction is axially mounted on the output shaft in a sliding manner, the belt wheel 205 and the conical wheel 204 are connected through a transmission belt 206, and a driving gear 10 which is meshed with a driven gear 7 is mounted on the output shaft 202.
The surface of the cone pulley 204 is slidably provided with a variable-speed plectrum 207 for driving the transmission belt 206 to move, the variable-speed plectrum 207 is connected with the variable-speed connecting rod 4, the variable-speed plectrum 207 is provided with a limit belt groove 2071 for the belt body of the transmission belt 206 to pass through, the surface of the cone pulley 204 is provided with a guide groove 2041 along the axial direction, a guide sliding block 208 connected with the variable-speed plectrum 207 is embedded and slidably arranged in the guide groove 2041, and the variable-speed plectrum 207 slides along the surface of the cone pulley 204 all the time through the matching of the guide sliding block 208 and the guide groove 2041.
Specifically, the input shaft 203 is connected with a power input device such as a motor, and when the film is coated, the input shaft 203 drives the film roller 1 to rotate through the cone pulley 204, the transmission belt 206, the belt pulley 205, the output shaft 202, the driving gear 10 and the driven gear 7 in sequence, so that the film wound on the film roller 1 is released. And as the outer diameter of the film roll is reduced, the sliding link 5 drives the speed change shifting piece 207 to slide along the surfaces of the guide groove 2041 and the conical wheel 204 to the large head end of the conical wheel 204 through the rack 801, the threaded gear 802 and the speed change link 4, so that the transmission ratio from the conical wheel 204 to the belt wheel 205 is gradually increased, namely the rotating speed of the film roll 1 is gradually increased along with the film roll releasing of the film, so as to adapt to the situation that the circumference of each circle of the film is reduced due to the reduction of the outer diameter of the film roll, and therefore, the purpose that the length of the film released by the film roll in unit time is always the same is achieved.
It should be noted that the slope of the side wall of the conical wheel 204, the internal thread of the hollow shaft 804 and the external thread of the speed-changing connecting rod 4 are selected and adjusted according to the calculation, so as to ensure that the speed-changing shifting piece 207 on the conical wheel 204 increases the rotation speed of the rolled film every time a certain distance is moved, so that the rolled film releases the same length of film in unit time.
In addition, the shift paddle 207 slides the pulley 205 along the output shaft 202 via the shift fork 11, so as to prevent the transmission belt 206 from being twisted, and the shift fork 11 is provided with a tensioning mechanism 12 for maintaining the tension of the transmission belt 206.
It should be noted that the fork 11 is preferably "n" shaped with its opening facing downward, the fork 11 has a slot into which the pulley 205 is inserted, the slot has "n" shaped fork openings on both sides, and the fork openings on both sides are always located on both sides of the pulley 205 throughout the entire process of moving up and down along with the movement of the shift paddle 207. And the tensioning mechanism 12 typically includes a tensioning pulley and components that drive the tensioning pulley to tension the drive belt 206. For example, one end of the spring extension rod 1303 is attached to the fork 11, and the other end of the spring extension rod is in contact with the driving belt 206 via a tension pulley, and the driving belt 206 is tightened by a tightening mechanism 12 in the form of a structure such as the spring extension rod 1303 and a tension pulley, so as to prevent the driving belt 206 from loosening and failing to drive when the shift paddle 207 slides to the small end of the tapered pulley.
Wherein, shift link 4 is axially slidably mounted on housing 201, and shift finger 207 remains connected to shift link 4 via rotational connection assembly 13, and shift link 4 accommodates rotation of shift finger 207 with bevel wheel 204 and changes in spacing between shift finger 207 as shift finger 207 slides along the guide channel via rotational connection assembly 13.
The rotary connecting assembly 13 comprises an outer ring 1301, an inner ring 1302 and a telescopic rod 1303 installed on the inner ring 1302, the inner ring 1302 is rotatably installed on the inner wall of the outer ring 1301 through an axial limiting bearing 1304 and is axially and fixedly matched with the outer ring 1301, one end of the telescopic rod 1303 is installed on the inner ring 1302, the other end of the telescopic rod 1303 is connected with the speed changing shifting plectrum 207, the straight line of the telescopic rod 1303 is located in the plane of the corresponding guide groove 2041, and the inner diameter of the inner ring 1302 is not smaller than the outer diameters of the cone pulley 204 at the two ends of the guide groove 2041.
When the film is rolled and released on the film roller 1, the speed change connecting rod 4 is driven to drive the outer ring 1301 to move towards the big end of the conical wheel 204, the outer ring 1301 pushes the speed change shifting piece 207 on the rotating conical wheel 204 to move synchronously through the inner ring 1302 which is in running fit with the outer ring 1301, and the distance between the speed change shifting piece 207 and the inner ring 1302 is reduced along with the movement of the speed change shifting piece 207 towards the big end of the conical wheel 204, so that the telescopic rod 1303 is arranged to connect the inner ring 1302 and the speed change shifting piece 207 to adapt to the change of the distance between the inner ring 1302 when the speed change shifting piece 207 slides.
In a further optimization of the above embodiment, one end of the telescopic rod 1303 connected to the speed changing shifting piece 207 is inclined toward the large end of the cone-shaped wheel 204, so as to reduce the resistance of the telescopic rod 1303 in the same axial direction as the cone-shaped wheel 204 during pushing and pulling the speed changing shifting piece 207, which is beneficial to avoiding the bending of the telescopic rod 1303.
The variable-speed shifting pieces 207 are arranged in a plurality and arranged at intervals around the axis of the conical wheel 204, and the variable-speed shifting pieces 207 are connected with the inner ring 1302 through the telescopic rod 1303, so that the uniform stress of a transmission belt and the shifting fork 11 is facilitated.
The sticking rod 3022 is sleeved with a protective cylinder which is coaxially arranged and is in running fit with the sticking rod 3022, and the sticking rod 3022 sticks to a film roll on the film roll 1 through the protective cylinder, so that the abrasion of the two sticking rods 3022 is reduced.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. A gypsum building material constant speed control and processing application system is characterized in that: the film winding device comprises a film roller (1) with a film winding function, a multi-stage transmission (2) in transmission connection with the film roller (1), and a film constant-speed releasing device (3) for controlling the multi-stage transmission (2) to adjust, wherein the multi-stage transmission (2) adjusts the rotating speed of the film roller (1) under the control of the film constant-speed releasing device (3) so that the film winding on the film roller (1) releases the same amount of film in unit time;
the film constant-speed releasing device (3) comprises a support (301) and an outer diameter detection transmission assembly (302) arranged on the support (301), wherein both ends of the film roller (1) are arranged on the support (301), the multi-stage transmission (2) is provided with a speed change connecting rod (4) for adjusting the transmission ratio of the multi-stage transmission, the outer diameter detection transmission assembly (302) is connected with the speed change connecting rod (4), the outer diameter detection transmission assembly (302) detects the change of the outer diameter of a rolled film on the film roller (1), the outer diameter detection transmission assembly (302) drives the speed change connecting rod (4) to complementarily improve the transmission ratio of the multi-stage transmission (2) according to the reduction of the outer diameter of the rolled film on the film roller (1), and the rotating speed of the film roller (1) is increased along with the increase of the transmission ratio of the multi-stage transmission (2), so that the rolled film on the film roller (1) is released at a constant speed;
the outer diameter detection transmission assembly (302) comprises a guide rod (3021), an abutting rod (3022) and an elastic piece (3023), wherein the guide rod (3021) is arranged on the bracket (301) in the same direction as the radial direction of the film roller (1), the abutting rod (3022) is arranged opposite to the film roller (1) in the positive direction, the front end of the abutting rod is slidably arranged on the guide rod (3021), the elastic piece (3023) is arranged on the guide rod (3021) and connected with the abutting rod (3022), and the abutting rod (3022) is connected with the speed change connecting rod (4);
the pasting rod (3022) is pasted on the surface of a film roll on the film roller (1) under the driving of the elastic piece (3023), the pasting rod (3022) continuously moves towards the film roller (1) along with the reduction of the outer diameter of the film roll on the film roller (1), and the pasting rod (3022) moves towards the film roller (1) and drives the speed change connecting rod (4) to act, so that the multi-stage transmission (2) can complementarily improve the rotating speed of the film roller (1) according to the reduction of the outer diameter of the film roll on the film roller (1).
2. The gypsum building material constant speed control and processing application system of claim 1, wherein: seted up the cavity in guide bar (3021), the intercommunication has been seted up to one side of guide bar (3021) the spout of cavity, slidable mounting has sliding connection rod (5) in the cavity, the one end slidable mounting that pastes pole (3022) in the spout and with sliding connection rod (5) are connected, just paste pole (3022) pass through sliding connection rod (5) with speed change connecting rod (4) are connected.
3. The gypsum building material constant speed control and processing application system of claim 1, wherein: the both ends of guide bar (3021) are all installed through end seat (6) on support (301), end seat (6) are located the diameter direction's of membrane roller (1) both ends, the tip of membrane roller (1) with guide bar (3021) interval and normal phase are relative the setting, the driven gear (7) that are used for connecting multi-stage transmission (2) are installed to the tip of membrane roller (1).
4. The gypsum building material constant speed control and processing application system of claim 2, wherein: the sliding connecting rod (5) is connected with the speed changing connecting rod (4) through a reversing transmission assembly (8), the reversing transmission assembly (8) comprises a rack (801), a threaded gear (802) and a support (803) for positioning the threaded gear (802), one end of the rack (801) is installed on the sliding connecting rod (5), the rack (801) and the sliding connecting rod (5) are located on the same straight line, and the threaded gear (802) is rotatably installed on the support (301) through the support (803) and is meshed with the rack (801);
offer on support (803) and be used for holding threaded gear (802) and gear clamping groove (8031) of rack (801), just the intercommunication has all been offered at the both ends of support (803) shaft hole (8032) of gear clamping groove (8031), the equal coaxial mounting in both ends of threaded gear (802) with shaft hole (8032) matched with hollow shaft (804), set up along the axis in hollow shaft (804) and run through its both ends and the pore wall has the internal screw thread screw hole, speed change connecting rod (4) with hollow shaft (804) and threaded gear (802) cooperation of pegging graft, just have on the outer wall of speed change connecting rod (4) with screw hole matched with external screw thread.
5. The gypsum building material constant speed control and processing application system according to claim 4, wherein: the rack protection device is characterized in that a shield (9) used for guiding and protecting the rack (801) is installed at two ends of the support (803) on the support (301), a cavity with the width corresponding to the thickness of the rack (801) is formed in the shield (9), and the rack (801) is installed in the cavity in a sliding mode.
6. The gypsum building material constant speed control and processing application system according to claim 3, wherein: the multi-stage transmission (2) comprises a shell (201), an output shaft (202) and an input shaft (203) used for power input, wherein the input shaft (203) and the output shaft (202) are parallel to each other, two ends of the input shaft (203) are rotatably installed on the shell (201), a frustum-shaped cone pulley (204) which is positioned in the shell (201) and is coaxially arranged with the input shaft (203) is fixedly installed on the input shaft (203), a belt pulley (205) which is fixedly matched with the output shaft in the circumferential direction is axially installed on the output shaft (202) in a sliding manner, the belt pulley (205) and the cone pulley (204) are connected through a transmission belt (206), and a driving gear (10) meshed with the driven gear (7) is installed on the output shaft (202);
the surface slidable mounting of cone pulley (204) has and is used for driving variable speed plectrum (207) that driving belt (206) removed, variable speed plectrum (207) with speed change connecting rod (4) are connected, variable speed plectrum (207) have the confession spacing trough of belt (2071) that the area body of driving belt (206) passed, guide way (2041) have been seted up along the axial in the surface of cone pulley (204), embedded and slidable mounting in guide way (2041) has the connection guide slider (208) of variable speed plectrum (207), variable speed plectrum (207) pass through guide slider (208) with the cooperation of guide way (2041) is followed all the time the surface slip of cone pulley (204).
7. The gypsum building material constant speed control and processing application system of claim 6, wherein: the variable speed plectrum (207) drive through shift fork (11) band pulley (205) are followed output shaft (202) slide, install on shift fork (11) and be used for keeping straining device (12) of drive belt (206) tensioning degree.
8. The gypsum building material constant speed control and processing application system of claim 6, wherein: speed change connecting rod (4) axial slidable install on casing (201), just speed change plectrum (207) through rotation coupling assembling (13) with speed change connecting rod (4) keep connected, speed change connecting rod (4) pass through rotation coupling assembling (13) adapt to speed change plectrum (207) follow the rotation of cone pulley (204), and adapt to speed change plectrum (207) are followed when guide way (2041) slide with the interval between speed change plectrum (207) changes.
9. The gypsum building material constant velocity control and processing application system of claim 8, wherein: the rotary connecting assembly (13) comprises an outer ring (1301), an inner ring (1302) and a telescopic rod (1303) installed on the inner ring (1302), the inner ring (1302) is installed on the inner wall of the outer ring (1301) in a rotating mode through an axial limiting bearing (1304) and is in axial fixed fit with the outer ring (1301), one end of the telescopic rod (1303) is installed on the inner ring (1302), the other end of the telescopic rod is connected with the speed change shifting piece (207), the straight line where the telescopic rod (1303) is located in the plane where the corresponding guide groove (2041) is located, and the inner diameter of the inner ring (1302) is not smaller than the outer diameter of the conical wheel (204) at the two ends of the guide groove (2041).
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| GB463004A (en) * | 1936-01-09 | 1937-03-19 | John Edward Barker | Means for automatically controlling the rotational speed of mechanism for winding paper, cloth, carpet, threads, wire or the like |
| CN201250029Y (en) * | 2008-02-25 | 2009-06-03 | 雷城工业股份有限公司 | Structure of a belt-reel synchronic pressure-feed leveling device |
| CN207843393U (en) * | 2018-01-09 | 2018-09-11 | 阳江喜之郎果冻制造有限公司 | It is a kind of for stowage unit etc. torques put film device |
| CN110872010A (en) * | 2018-09-04 | 2020-03-10 | 航天信息股份有限公司 | Unreeling device, unreeling control method and film laminating machine |
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