Feeding device

Abstract

The utility model discloses a feeding device, and belongs to the technical field of plaster production equipment. The device comprises a rack, a distance adjusting assembly and a driving assembly, an unwinding assembly, a positioning assembly and a double-roller feeding mechanism are sequentially arranged on the rack, the distance adjusting assembly is arranged on the double-roller feeding mechanism and makes contact with the rack, and the driving assembly is arranged on the rack and connected with the double-roller feeding mechanism through a transmission assembly. A plaster is wound on the unwinding assembly, one end of the plaster passes through the double-roller feeding mechanism after bypassing the positioning assembly, the plaster is positioned in the width direction of the plaster through the positioning assembly, meanwhile, the driving assembly drives the double-roller feeding mechanism to operate through the transmission assembly, and the double-roller feeding mechanism clamps the plaster and conveys the plaster forwards. Before one end of a plaster patch penetrates through the space between the two rollers of the double-roller feeding mechanism, the distance between the two rollers is adjusted and increased through the distance adjusting assembly, so that the plaster patch can penetrate through the gap between the two rollers.

Description

Technical Field

[0001] The utility model relates to a feeding device and belongs to the technical field of plaster production equipment. Background Art

[0002] During the preparation process, the plaster needs to be wound on an I-shaped wheel and then unwound and fed.

[0003] A Chinese patent document with announcement number CN218560515U discloses a roll material feeding device, including a mounting frame, on which are mounted two rotating rollers and a clamping assembly for clamping the roll, and on which is mounted a driving device for rotating the rotating rollers, the film material is clamped by the two rotating rollers, and then the driving device rotates the rotating rollers to feed the material, and a speed change transmission device for controlling the rotation speed of the roll according to the thickness of the roll is installed between the clamping assembly and the driving device, the speed change transmission device causes the clamping assembly to rotate with the roll to discharge the material, and when the roll becomes thinner, the speed change transmission device changes the rotation speed of the clamping assembly, so that the linear speed of the roll surface is the same as the linear speed of the rotating roller surface, thereby avoiding the synchronization of the discharge being affected by the amount of roll inventory.

[0004] However, when the device is used for supplying plasters, it is inconvenient to pass one end of the plaster through the gap between the two rotating rollers before unwinding because the distance between the two rotating rollers is not adjustable or the distance adjustment is inconvenient. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a feeding device.

[0006] The utility model is realized through the following technical solutions:

[0007] A feeding device comprises a frame, a spacing adjustment component and a driving component, wherein the frame is provided with an unwinding component, a positioning component and a double-roller feeding mechanism in sequence, the spacing adjustment component is arranged on the double-roller feeding mechanism and contacts the frame, and the driving component is arranged on the frame and connected to the double-roller feeding mechanism through a transmission component.

[0008] The unwinding assembly comprises a support rod and an I-shaped wheel, the I-shaped wheel is movably mounted on the support rod, and a limiting sleeve is movably mounted on both sides of the I-shaped wheel on the support rod, and a plum handle screw A is threadedly connected to the limiting sleeve at a position corresponding to the support rod.

[0009] The positioning assembly comprises a positioning rod, on which two positioning sleeves are movably mounted, and on which a plum handle screw B is threadedly connected at a position corresponding to the positioning rod.

[0010] The double-roller feeding mechanism includes two supporting assemblies, a driving roller and a pressure roller. The driving roller is provided with a driven sprocket, and both ends of the driving roller are connected to the two supporting assemblies one by one through connecting blocks. The pressure roller and the driving roller are arranged side by side, and the pressure roller is located directly above the driving roller. Both ends of the pressure roller are slidably connected to the two supporting assemblies one by one through sliders.

[0011] The two support assemblies are both arranged on the frame, and the support assemblies include a rectangular frame, a preload adjustment piece and a compression spring. Two slide grooves are provided on the inner side of the rectangular frame in the vertical direction. The slider is located on the inner side of the rectangular frame and is slidably connected to the two slide grooves. The preload adjustment piece is threadedly connected to the top of the rectangular frame, and the lower end of the preload adjustment piece extends to the inner side of the rectangular frame. One end of the compression spring is connected to the lower end of the preload adjustment piece, and the other end is connected to the top of the slider. The preload adjustment piece includes a bolt and a positioning block provided at the lower end of the bolt, and a positioning blind hole is provided on the positioning block.

[0012] The pressing roller comprises a central shaft and a rubber roller, and the rubber roller is movably sleeved on the central shaft.

[0013] The spacing adjustment component comprises cams symmetrically arranged at two ends of the central axis, and a handle fixedly connected to one of the cams.

[0014] The transmission component is a chain.

[0015] The driving assembly comprises a servo motor and a driving sprocket sleeved on an output shaft of the servo motor.

[0016] It also includes a detection component, which is arranged on the inner side of the frame, and the double-roller feeding mechanism is located between the detection component and the positioning component. The detection component includes a cross bar and a proximity switch arranged on the cross bar.

[0017] The beneficial effects of the utility model are as follows: the plaster patch is wound on the unwinding component, and one end of the plaster patch bypasses the positioning component and passes through the double-roller feeding mechanism. When the plaster patch is fed, it is positioned in the width direction of the plaster patch by the positioning component, and at the same time, the driving component drives the double-roller feeding mechanism to operate through the transmission component, and the double-roller feeding mechanism clamps the plaster patch and conveys it forward; before one end of the plaster patch passes between the two rollers of the double-roller feeding mechanism, the distance between the two rollers is increased by adjusting the spacing adjustment component to facilitate the plaster patch to pass through the gap between the two rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the structure from another perspective;

[0020] Figure 3 It is an assembly diagram of the double-roller feeding mechanism and the spacing adjustment component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the utility model when feeding the plaster.

[0022] In the figure: 1-frame, 100-rectangular slot, 2-unwinding assembly, 20-support rod, 21-I-wheel, 22-limiting sleeve, 23-plum handle screw A, 3-driving assembly, 31-driving sprocket, 4-double-roller feeding mechanism, 40-driving roller, 41-pressure roller, 42-rectangular frame, 43-preload adjustment member, 44-compression spring, 45-slider, 46-driven sprocket, 47-connecting block, 5-detection assembly, 50-cross bar, 51-proximity switch, 6-positioning assembly, 60-positioning rod, 61-positioning sleeve, 62-plum handle screw B, 7-spacing adjustment assembly, 70-cam, 71-handle, 8-transmission assembly, 9-plaster. DETAILED DESCRIPTION

[0023] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0024] like Figures 1 to 4 As shown, a feeding device described in the utility model comprises a frame 1, a spacing adjustment component 7 and a driving component 3, wherein the frame 1 is sequentially mounted with an unwinding component 2, a positioning component 6 and a double-roller feeding mechanism 4, wherein the spacing adjustment component 7 is mounted on the double-roller feeding mechanism 4 and contacts the frame 1, and the driving component 3 is mounted on the frame 1 and connected to the double-roller feeding mechanism 4 through a transmission component 8. When in use, a plaster 9 is wound around the unwinding component 2, and one end of the plaster 9 passes through the positioning component 6 and passes through the double-roller feeding mechanism 4, and when the plaster 9 is fed, the positioning component 6 is used to position the plaster 9 in the width direction, and at the same time, the driving component 3 drives the double-roller feeding mechanism 4 to operate through the transmission component 8, and the double-roller feeding mechanism 4 clamps the plaster 9 and conveys it forward; before one end of the plaster 9 passes between the two rollers of the double-roller feeding mechanism 4, the spacing adjustment component 7 is used to increase the distance between the two rollers so as to facilitate the plaster 9 to pass through the gap between the two rollers.

[0025] The unwinding assembly 2 includes a support rod 20 and an I-shaped wheel 21, the I-shaped wheel 21 is movably mounted on the support rod 20, and a limiting sleeve 22 is movably mounted on both sides of the I-shaped wheel 21 on the support rod 20, and a plum handle screw A23 is threadedly connected to the limiting sleeve 22 at a position corresponding to the support rod 20. When in use, the I-shaped wheel 21 can be flexibly rotated around the support rod 20, and the plum handle screws A23 are tightened respectively to lock and fix the two limiting sleeves 22 on the support rod 20, so that the I-shaped wheel 21 is limited on the axis of the support rod 20 by the two limiting sleeves 22.

[0026] The positioning assembly 6 includes a positioning rod 60, on which two positioning sleeves 61 are slidably sleeved, and the positioning sleeves 61 are threadedly connected with plum handle screws B62 at positions corresponding to the positioning rod 60. When in use, the distance between the two positioning sleeves 61 is adjusted to be equal to the width of the plaster 9, and then the plum handle screws B62 are tightened to lock and fix the positioning sleeves 61 on the positioning rod 60, so that the plaster 9 is positioned in the width direction thereof by the two positioning sleeves 61.

[0027] The double-roller feeding mechanism 4 includes two supporting components, a driving roller 40 and a pressure roller 41. The driving roller 40 is provided with a driven sprocket 46, and the two ends of the driving roller 40 are connected to the two supporting components one by one through a connecting block 47. The pressure roller 41 and the driving roller 40 are arranged side by side, and the pressure roller 41 is located just above the driving roller 40. The two ends of the pressure roller 41 are slidably connected to the two supporting components one by one through a slider 45. When in use, the driven sprocket 46 is connected to the driving sprocket 31 through a chain, and the driving roller 40 can rotate flexibly relative to the connecting block 47.

[0028] The two support assemblies are both arranged on the frame 1, and the support assemblies include a rectangular frame 42, a preload adjusting member 43 and a compression spring 44. Two slide grooves are provided on the inner side of the rectangular frame 42 in the vertical direction. The slider 45 is located on the inner side of the rectangular frame 42 and is slidably connected to the two slide grooves. The preload adjusting member 43 is threadedly connected to the top of the rectangular frame 42, and the lower end of the preload adjusting member 43 extends to the inner side of the rectangular frame 42. One end of the compression spring 44 is connected to the lower end of the preload adjusting member 43, and the other end is connected to the top of the slider 45. The preload adjusting member 43 includes a bolt and a positioning block provided at the lower end of the bolt, and a positioning blind hole is provided on the positioning block. When in use, the compression spring 44 is continuously in a compressed state. Under the action of the spring force of the compression spring 44, the pressure roller 41 and the sliders 45 at both ends slide downward together, and cooperate with the driving roller 40 to clamp the plaster 9; in addition, the bolt can be rotated to adjust the length of the compression spring 44 to adjust the pressure of the pressure roller 41 on the plaster 9.

[0029] The pressing roller 41 comprises a central shaft and a rubber roller, and the rubber roller is rotatably sleeved on the central shaft. When in use, the rubber roller can flexibly rotate around the central shaft.

[0030] The spacing adjustment assembly 7 includes cams 70 symmetrically arranged at both ends of the central axis, and a handle 71 fixedly connected to one of the cams 70. The handle 71 drives the cams 70 and the central axis to rotate, so as to adjust the distance between the pressure roller 41 and the driving roller 40. In addition, two planes can be symmetrically milled on the outer circumferential surfaces at both ends of the central axis to replace the cams 70. Two rectangular grooves 100 are correspondingly provided on the top of the frame 1 to accommodate the two ends of the central axis. When the pressure roller 41 and the driving roller 40 clamp the plaster 9, the planes on the outer circumferential surfaces at both ends of the central axis are parallel to the bottom surface of the rectangular groove 100 and close to the bottom surface of the rectangular groove 100.

[0031] The transmission assembly 8 is a chain.

[0032] The driving assembly 3 includes a servo motor and a driving sprocket 31 sleeved on the output shaft of the servo motor.

[0033] The machine also includes a detection assembly 5, which is mounted on the inner side of the frame 1, and the double-roller feeding mechanism 4 is located between the detection assembly 5 and the positioning assembly 6. The detection assembly 5 includes a crossbar 50 and a proximity switch 51 provided on the crossbar 50. When the proximity switch 51 is not triggered by the plaster 9 for a long time, it can be determined that the plaster 9 on the I-shaped wheel 21 has been unwound.

[0034] The working principle or practical process of the feeding device described in the utility model is as follows:

[0035] The unwinding assembly 2 is mounted on the frame 1, and the spacing between the two positioning sleeves 61 on the positioning rod 60 is adjusted according to the width of the plaster 9, so that the spacing is equal to the width of the plaster 9, and then the plum handle screw B62 is tightened to position the plaster 9 in the width direction through the two positioning sleeves 61. One end of the plaster 9 is passed around the positioning rod 60, and then the cam 70 and the central axis are driven to rotate by the handle 71 to increase the distance between the pressure roller 41 and the driving roller 40, and then one end of the plaster 9 is passed through the gap between the pressure roller 41 and the driving roller 40, and finally the cam 70 and the central axis are driven to rotate in the opposite direction by the handle 71, and the pressure roller 41 and the sliders 45 at both ends thereof slide downward under the action of their own weight and the spring force of the compression spring 44, and cooperate with the driving roller 40 to clamp the plaster 9. The servo motor 3 is started, and the servo motor 3 drives the driving roller 40 to rotate through the chain transmission, so that the plaster 9 is conveyed forward for feeding.

Claims

1. A feeding device, characterized in that: The invention comprises a frame (1), a spacing adjustment component (7) and a driving component (3); the frame (1) is provided with an unwinding component (2), a positioning component (6) and a double-roller feeding mechanism (4) in sequence; the spacing adjustment component (7) is arranged on the double-roller feeding mechanism (4) and is in contact with the frame (1); the driving component (3) is arranged on the frame (1) and is connected to the double-roller feeding mechanism (4) via a transmission component (8).

2. The feeding device according to claim 1, characterized in that: The unwinding assembly (2) comprises a support rod (20) and an I-shaped wheel (21), wherein the I-shaped wheel (21) is movably mounted on the support rod (20), and a limiting sleeve (22) is movably mounted on both sides of the I-shaped wheel (21) on the support rod (20), and a plum handle screw A (23) is threadedly connected to the limiting sleeve (22) at a position corresponding to the support rod (20).

3. The feeding device according to claim 1, characterized in that: The positioning assembly (6) comprises a positioning rod (60), two positioning sleeves (61) are movably mounted on the positioning rod (60), and a plum handle screw B (62) is threadedly connected to the positioning sleeve (61) at a position corresponding to the positioning rod (60).

4. The feeding device according to claim 1, characterized in that: The double-roller feeding mechanism (4) comprises two supporting assemblies, a driving roller (40) and a pressure roller (41); a driven sprocket (46) is mounted on the driving roller (40); two ends of the driving roller (40) are connected to the two supporting assemblies in a one-to-one correspondence via a connecting block (47); the pressure roller (41) and the driving roller (40) are arranged side by side, and the pressure roller (41) is located directly above the driving roller (40); and two ends of the pressure roller (41) are slidably connected to the two supporting assemblies in a one-to-one correspondence via a slider (45).

5. The feeding device according to claim 4, characterized in that: The two support assemblies are both arranged on the frame (1), and the support assemblies include a rectangular frame (42), a preload adjustment member (43) and a compression spring (44). Two slide grooves are provided on the inner side of the rectangular frame (42) along the vertical direction. The slider (45) is located on the inner side of the rectangular frame (42) and is slidably connected to the two slide grooves. The preload adjustment member (43) is threadedly connected to the top of the rectangular frame (42), and the lower end of the preload adjustment member (43) extends to the inner side of the rectangular frame (42). One end of the compression spring (44) is connected to the lower end of the preload adjustment member (43), and the other end is connected to the top of the slider (45). The preload adjustment member (43) includes a bolt and a positioning block provided at the lower end of the bolt, and a positioning blind hole is provided on the positioning block.

6. The feeding device according to claim 4, characterized in that: The pressure roller (41) comprises a central shaft and a rubber roller, wherein the rubber roller is movably sleeved on the central shaft.

7. The feeding device according to claim 6, characterized in that: The spacing adjustment component (7) comprises cams (70) symmetrically arranged at two ends of the central axis, and a handle (71) fixedly connected to one of the cams (70).

8. The feeding device according to claim 1, characterized in that: The transmission component (8) is a chain.

9. The feeding device according to claim 1, characterized in that: The driving assembly (3) comprises a servo motor and a driving sprocket (31) sleeved on an output shaft of the servo motor.

10. The feeding device according to claim 1, characterized in that: The invention also comprises a detection assembly (5), wherein the detection assembly (5) is arranged on the inner side of the frame (1), and the double-roller feeding mechanism (4) is located between the detection assembly (5) and the positioning assembly (6); the detection assembly (5) comprises a cross bar (50) and a proximity switch (51) arranged on the cross bar (50).

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