Feeding mechanism of silica gel strip cutting machine

Abstract

The utility model discloses a feeding mechanism of a silica gel strip cutting machine, which comprises a rack, a roller group and a working table plate fixed on the rack, the roller group comprises a driving roller arranged along the left-right direction and a driven roller positioned below the driving roller, the driving roller is parallel to the driven roller, and the working table plate is fixed on the rack. The top of the driven roller is higher than the upper surface of the working table plate, a gap allowing workpieces to pass through is formed between the driving roller and the driven roller, rolling cutters are arranged on the peripheral wall of the driving roller at intervals in the circumferential direction, and the rolling cutters extend to the right end of the driving roller from the left end of the driving roller. According to the feeding mechanism, the longitudinal cutting marks can be machined on the silica gel sheet while the silica gel sheet is conveyed to the strip cutting station, so that when the silica gel sheet is cut into transverse silica gel strips, the silica gel strips have the multiple longitudinal cutting marks, and the silica gel strips can be conveniently torn into proper lengths.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of silica gel key, especially relates to a feeding mechanism of silica gel slitting machine. BACKGROUND

[0002] In the production process of the silica gel key of the remote controller, one process is to cut the silica gel sheet into strips, and then the silica gel strips are directly put into the hot-pressing mold one by one, the mold is closed and heated, so that the silica gel strips can fill the entire mold cavity after being heated in the mold, and finally a plurality of silica gel key blanks connected together are formed at one time, each silica gel key blank is composed of a sheet-shaped base material and a plurality of key protrusions on the base material.

[0003] In order to ensure that the silica gel strips can fill the entire mold cavity after being heated in the hot-pressing mold, the layout method is very important when the silica gel strips are put into the mold, and the amount of silica gel strips is large in the place where the key protrusion needs to be formed. Therefore, the staff will cut a small part of the silica gel strips into small sections and supplement these small sections of silica gel strips in the place where the amount of silica gel strips is large to avoid the lack of glue in these places. However, this method needs to manually cut the silica gel strips into small sections, which is low in work efficiency. SUMMARY

[0004] In view of this, the purpose of the utility model is to provide a feeding mechanism of a silica gel slitting machine capable of cutting silica gel sheets into horizontal strips, which can process longitudinal cuts on the silica gel sheets while conveying the silica gel sheets to the slitting station.

[0005] The utility model adopts the technical scheme to solve the technical problem:

[0006] A feeding mechanism of a silica gel slitting machine, comprising a rack, a roller group, and a workbench plate fixed on the rack, the roller group comprises a driving roller arranged along the left-right direction and a driven roller located below the driving roller, the driving roller and the driven roller are parallel, the top of the driven roller is higher than the upper surface of the workbench plate, the driving roller and the driven roller have a gap through which a workpiece can pass, and a rolling knife is arranged on the outer peripheral wall of the driving roller along the circumference and spaced apart, the rolling knife extends from the left end of the driving roller to the right end.

[0007] In a preferred scheme of the utility model, the part exposed on the outer surface of the driving roller of the rolling cutter is a blade, the blade has a first side face towards the rotating direction of the driving roller and a second side face away from the rotating direction of the driving roller, the vertex of the blade is D, the center point of the driving roller is O, the first side face and the second side face are respectively located on the two sides of the line OD, the included angle B of the first side face and OD is smaller than the included angle A of the second side face and OD, and the sum of the included angle B and the included angle A is not more than 45 degrees.

[0008] In a preferred scheme of the utility model, the rack comprises a left vertical plate and a right vertical plate, the workbench plate is located between the left vertical plate and the right vertical plate, and the left vertical plate and the right vertical plate are rotationally connected with the two ends of the driving roller.

[0009] In a preferred scheme of the utility model, a long avoiding hole is arranged on the workbench plate, and the driven roller is located at the avoiding hole.

[0010] In a preferred scheme of the utility model, two supporting seats are arranged below the workbench plate, a rotating shaft is installed between the two supporting seats, and the driven roller is rotationally installed on the rotating shaft.

[0011] In a preferred scheme of the utility model, a vertical guide groove is arranged on the supporting seat, the end of the rotating shaft penetrates through the guide groove and can slide up and down along the guide groove, a supporting piece capable of supporting the lower surface of the rotating shaft is arranged on the supporting seat, and an adjusting device capable of adjusting the height of the supporting piece is further arranged on the supporting seat.

[0012] In a preferred scheme of the utility model, the end of the rotating shaft is fixed with a limiting piece, the supporting seat has a horizontal plate below the limiting piece, the adjusting device comprises a screw rod fixed on the horizontal plate, the supporting piece is a first nut engaged with the screw rod, and the adjusting device further comprises a lock nut engaged with the screw rod and abutting against the lower surface of the first nut.

[0013] In a preferred scheme of the utility model, a gap is arranged on the limiting piece, and the upper end of the screw rod penetrates through the gap.

[0014] The upper feeding mechanism can process longitudinal cuts on the silica gel sheet while conveying the silica gel sheet to the cutting station, so that when the silica gel sheet is cut into silica gel strips in the transverse direction, the silica gel strips have multiple longitudinal cuts, and the silica gel strips are conveniently torn into appropriate lengths. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the silica gel cutting machine.

[0016] Figure 2 is the sectional view of the driving roller;

[0017] Figure 3 is Figure 2 is the enlarged view of part E in figure 1;

[0018] Figure 4 is the perspective view of the utility model;

[0019] Figure 5 is the schematic view of the connecting structure of the driven roller and the workbench plate;

[0020] Figure 6 is Figure 5 is the enlarged view of part C in figure 1. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be described clearly and completely below with reference to the drawings.

[0022] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly. In addition, the description of "preferred", "second preferred" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features. Therefore, the features with "preferred", "second preferred" can explicitly or implicitly include at least one of the features.

[0023] With reference to Figures 1 to 6 , the utility model discloses a kind of feeding mechanism of silica gel slitting machine, including rack 1, roller group, and workbench plate 11 fixed on rack 1, roller group includes the driving roller 21 and the driven roller 22 located below driving roller 21 arranged along left and right direction, driving roller 21 and driven roller 22 are parallel, the top of driven roller 22 is higher than the upper surface of workbench plate 11, driving roller 21 and driven roller 22 have the gap that workpiece can pass between, there is roll press cutter 23 on the outer peripheral wall of driving roller 21 and is spaced apart along the circumference, roll press cutter 23 is extended from the left end of driving roller 21 to its right end.Roll press cutter 23 is uniformly distributed along the outer peripheral wall of driving roller 21, and its number can be 12, 18, 24, 30 etc.

[0024] When the feeding mechanism is applied to silica gel slitting machine, the front and rear of roller group are provided with slitting cutter group, the slitting cutter group can adopt a plurality of shearing cutter groups arranged along left and right direction, each shearing cutter group is composed of two mutually adhering circular blades, the two circular blades are upper blade 61 and lower blade 62 respectively, with reference toFigure 1 The upper blade 61 and the lower blade 62 can be synchronously and reversely rotated under the driving of the same motor, wherein the upper blade 61 is counterclockwise rotated and the lower blade 62 is clockwise rotated.

[0025] The driving roller 21 in the roller group is counterclockwise rotated by the motor, and after the silica gel sheet is placed between the driving roller 21 and the driven roller 22, the silica gel sheet can be forwarded under the driving of the driving roller 21, and in this process, the rolling cutter 23 on the driving roller 21 can cut longitudinal incisions on the silica gel sheet. When the silica gel sheet passes through the working area of the slitting blade group, the silica gel sheet is cut into transverse strips under the shearing action of the upper blade 61 and the lower blade 62. When the silica gel strip is placed in the mold to form the silica gel key, if the amount of silica gel needs to be increased in some places of the mold, the silica gel strip can be torn into appropriate length along the corresponding incision according to the need, and then added to the position where the amount needs to be increased.

[0026] In order to avoid the upper blade 61 and the lower blade 62, a avoiding slot 115 is arranged on the workbench plate 11.

[0027] Further, the part of the rolling cutter 23 exposed outside the outer surface of the driving roller 21 is a blade edge, the blade edge has a first side surface 231 facing the rotating direction of the driving roller 21 and a second side surface 232 away from the rotating direction of the driving roller 21, the vertex of the blade edge is D, the center point of the driving roller 21 is O, the first side surface 231 and the second side surface 232 are respectively located on the two sides of the line OD, the included angle B of the first side surface 231 and OD is smaller than the included angle A of the second side surface 232 and OD, and the sum of the included angle B and the included angle A is not greater than 45 degrees. For example, B is 10 degrees and A is 30 degrees. By adopting such arrangement, the rolling cutter 23 in rotation can cut into the silica gel sheet.

[0028] Referring to Figure 4 The rack 1 comprises a left vertical plate 101 and a right vertical plate 102, and the workbench plate 11 is located between the left vertical plate 101 and the right vertical plate 102. The left vertical plate 101 and the right vertical plate 102 are respectively rotationally connected with the two ends of the driving roller 21. Specifically, the left vertical plate 101 and the right vertical plate 102 are both provided with bearings, and are both rotationally connected with the end portions of the driving roller 21 through the bearings.

[0029] In a preferred scheme of the utility model, a long avoiding hole 111 is arranged on the workbench plate 11, and the driven roller 22 is located at the avoiding hole 111.

[0030] Referring to Figure 5 With Figure 6 Two supporting seats 12 are arranged below the workbench plate 11 from left to right, and a rotating shaft 221 is installed between the two supporting seats 12. The driven roller 22 is rotationally installed on the rotating shaft 221.

[0031] Further, the support base 12 is provided with a vertical guide slot 121, the end of the rotating shaft 221 penetrates the guide slot 121 and can slide up and down along the guide slot 121, the support base 12 is provided with a support capable of supporting the lower surface of the rotating shaft 221, and the support base 12 is further provided with an adjusting device capable of adjusting the height of the support. Specifically, the end of the rotating shaft 221 is fixed with a limiting piece 222, the support base 12 has a horizontal plate 122 below the limiting piece 222, the adjusting device includes a screw rod 52 fixed on the horizontal plate 122, the support is a first nut 51 engaged with the screw rod 52, and the adjusting device further includes a lock nut 53 engaged with the screw rod 52 and abutting against the lower surface of the first nut 51. The screw rod 52 is welded or screwed with the horizontal plate 122. The limiting piece 222 is provided with a clearance hole, and the upper end of the screw rod 52 penetrates the clearance hole. In order to avoid the rotating shaft 221 of the driven roller 22 from moving up and down, a nut above the limiting piece 222 can be installed on the upper end of the screw rod 52.

[0032] By adopting the design, the height of the support can be adjusted, and by adjusting the height of the support, the up and down position of the driven roller 22 can be adjusted, so that the feeding device can be applicable to silica gel sheets with different thicknesses.

[0033] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the present application and the content of the present application specification and drawings are included in the patent protection range of the present application.

Claims

1. A feeding mechanism of a silica gel slitting machine, characterized in that, The application relates to a rolling machine, which comprises a frame (1), a roller group and a workbench plate (11) fixed on the frame (1), the roller group comprises a driving roller (21) and a driven roller (22) arranged along the left-right direction, the driving roller (21) and the driven roller (22) are parallel, the top of the driven roller (22) is higher than the upper surface of the workbench plate (11), the driving roller (21) and the driven roller (22) have a gap for the workpiece to pass through, and the outer peripheral wall of the driving roller (21) is provided with rolling knives (23) which are spaced apart along the circumference.

2. The feeding mechanism of a silica gel slitting machine according to claim 1, characterized in that, The part of the rolling knife (23) exposed on the outer surface of the driving roller (21) is a blade, the blade has a first side (231) facing the rotating direction of the driving roller (21) and a second side (232) facing away from the rotating direction of the driving roller (21), the vertex of the blade is D, the center point of the driving roller (21) is O, the first side (231) and the second side (232) are respectively located on the two sides of the line OD, the included angle B between the first side (231) and OD is smaller than the included angle A between the second side (232) and OD, and the sum of the included angle B and the included angle A is not greater than 45 degrees.

3. The feeding mechanism of the silica gel slitting machine according to claim 1, wherein, The frame (1) comprises a left vertical plate (101) and a right vertical plate (102), the workbench plate (11) is located between the left vertical plate (101) and the right vertical plate (102), and the left vertical plate (101) and the right vertical plate (102) are respectively rotationally connected with the two ends of the driving roller (21).

4. The feeding mechanism of the silica gel slitting machine according to claim 1, wherein, The workbench plate (11) is provided with a long avoiding hole (111), and the driven roller (22) is located at the avoiding hole (111).

5. The feeding mechanism of a silica gel slitting machine according to claim 1 or 4, characterized in that, Two support seats (12) are arranged left and right below the workbench plate (11), a rotating shaft (221) is arranged between the two support seats (12), and the driven roller (22) is rotationally arranged on the rotating shaft (221).

6. The feeding mechanism of the silica gel slitting machine according to claim 5, wherein, A vertical guide groove (121) is arranged on the support seat (12), the end of the rotating shaft (221) penetrates through the guide groove (121) and can slide up and down along the guide groove (121), a support part capable of supporting the lower surface of the rotating shaft (221) is arranged on the support seat (12), and an adjusting device capable of adjusting the height of the support part is further arranged on the support seat (12).

7. The feeding mechanism of the silica gel slitting machine according to claim 6, characterized in that, The end of the rotating shaft (221) is fixed with a limiting part (222), the support seat (12) is provided with a horizontal plate (122) below the limiting part (222), the adjusting device comprises a screw rod (52) fixed on the horizontal plate (122), the support part is a first nut (51) engaged with the screw rod (52), and the adjusting device further comprises a lock nut (53) engaged with the screw rod (52) and abutting against the lower surface of the first nut (51).

8. The feeding mechanism of the silica gel slitting machine according to claim 7, characterized in that, The limiting part (222) is provided with a clearance hole, and the upper end of the screw rod (52) penetrates through the clearance hole.

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