Stripper for dragging backing paper through electric roller and label printer

Abstract

The utility model provides an electric roller traction backing paper stripper and label printer, including shell, cover body, drive pinch roll and driven pinch roll, drive pinch roll includes roller, first support piece, second support piece, drive shaft and drive motor, roller and driven pinch roll rolling fit, drive roll and driven pinch roll rolling fit. The first supporting piece is fixedly connected between the shell and the driving motor, and a first rolling bearing is arranged between the first supporting piece and the inner wall of the first containing groove; the second supporting piece is arranged in the second containing groove and connected with the shell, and a second rolling bearing is arranged between the second supporting piece and the inner wall of the second containing groove; the driving shaft is connected between an output shaft of the driving motor and the second supporting piece, and the driving shaft is arranged in the third containing groove and is in driving connection with the inner wall of the third containing groove. According to the scheme, the driving motor and the driving shaft are arranged in the roller, the driving motor drives the driving shaft to rotate, and then the roller is driven to be in rolling fit with the driven clamping roller, so that clamping of backing paper and self-power paper feeding traction driving are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a printer field especially relates to a kind of peeling device of electric cylinder traction base paper and label printer. BACKGROUND

[0002] With the popularization and application of label printer, it is used in large scale in warehousing logistics industry, label printer includes the thermal transfer printer using carbon tape thermal transfer principle, and including thermal printer using thermal paper thermal imaging, after label thermal printing imaging, using base paper peeling device to separate adhesive label and base paper, then greatly facilitate to use and paste use.

[0003] Presently, label base paper needs to be clamped and rotated by two rollers to walk paper, so when installing label base paper, the cover of peeling device needs to be opened first, and then the base paper is passed through the clamping roller before being closed, and then the clamping roller is pre-set with a certain clamping force by locking the cover, in addition, one of the rollers needs external driving force to realize the tightness and walking of base paper, the existing scheme is to set gear on the axial end of the roller, to realize rotating peeling by receiving the driving force of rubber roller motor, or to realize rotating peeling by rolling cooperation between the roller and rubber roller.

[0004] But since the roller needs to receive external driving force, corresponding arrangement is needed in structure, which not only leads to relatively complex structure and poor stability, but also the peeling device cannot be adapted to different models of printers. UTILITY MODEL CONTENTS

[0005] The first object of the utility model is to provide a kind of peeling device of electric cylinder traction base paper.

[0006] The second object of the utility model is to provide a kind of label printer with the above peeling device.

[0007] In order to realize the first purpose of the utility model, the utility model provides a peeling device of electric cylinder traction base paper, including casing, lid, drive clamping roller and driven clamping roller, drive clamping roller is arranged on casing along horizontal direction, driven clamping roller is rotatably arranged on lid along horizontal direction, casing is provided with first hinged part below drive clamping roller, lid is provided with second hinged part below driven clamping roller, first hinged part is hinged with second hinged part, and the peeling cavity is arranged between casing and lid, the upper portion of the peeling cavity is provided with a peeling inlet, the lower portion of the peeling cavity is provided with a peeling outlet, and the peeling blade is arranged above the peeling inlet of the casing.

[0008] Further, the first end of the drive shaft is drivingly connected to the output shaft, the second end of the drive shaft is provided with a driving flange in the circumferential direction, the diameter of the third accommodating groove is smaller than the diameter of the second accommodating groove, a matching step is arranged between the third accommodating groove and the second accommodating groove, and the driving flange is drivingly connected to the matching step.

[0009] Further, the driving flange is provided with a driving protrusion, the matching step is provided with a driving groove, and the driving protrusion is located in the driving groove.

[0010] Further, the driving flange is provided with a driving protrusion, the matching step is provided with a driving groove, and the driving protrusion is located in the driving groove.

[0011] Further, the second end of the drive shaft is provided with a positioning hole in the axial direction, the first end of the second supporting piece is provided with a positioning column in the axial direction, and the positioning column is connected to the positioning hole.

[0012] Further, the fourth rolling bearing is arranged between the second supporting piece and the inner wall of the second accommodating groove, and the fourth rolling bearing is close to the second end of the drive shaft.

[0013] Further, the third rolling bearing is arranged between the first end of the drive shaft and the inner wall of the first accommodating groove.

[0014] Further, the first support member is provided with a through hole in the axial direction, and the through hole is used for leading out the lead wire.

[0015] Further, the first end of the first support member is provided with a stop plane, the stop plane is connected with the shell, and the second end of the first support member is provided with a limiting flange, the limiting flange is located on the inner side of the first rolling bearing and is connected with the driving motor.

[0016] In order to realize the second purpose of the utility model, the utility model provides a label printer which comprises the stripper.

[0017] The utility model discloses the beneficial effects that, through setting up the first support member, the second support member, the driving motor and the driving shaft in the cylinder, the driving motor utilizes the driving driving shaft rotation, then drives the cylinder and the driven clamping roller rolling cooperation, to realize the clamping and automatic force paper traction drive of the base paper. In addition, through the arrangement of multiple rolling bearings, not only make the cylinder more stable rotation, and the arrangement of the first support member, the second support member, the driving motor and the driving shaft does not disturb the rotation of the cylinder, and then cooperates the driving cooperation of the driving flange and the cooperation step, and the cooperation of the positioning column and the positioning hole, makes the driving torque more balanced, and adopts the reduction motor to drive the cylinder, and it can amplify the rotation torque, and the traction force to the base paper is greater. And cooperate the arrangement of the stop plane and the limiting flange, make the motor not rotate and be connected with the shell, then can make the cylinder stable rotation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the sectional view of the stripper embodiment of the utility model.

[0019] Figure 2 It is the structure diagram of the driving clamping roller in the stripper embodiment of the utility model.

[0020] Figure 3 It is the structure diagram of the driving clamping roller in another view in the stripper embodiment of the utility model.

[0021] Figure 4 It is the partial structure diagram of the driving clamping roller in the stripper embodiment of the utility model.

[0022] Figure 5 It is the exploded view of the driving clamping roller in the stripper embodiment of the utility model.

[0023] Figure 6 It is the structure diagram of the cylinder in the stripper embodiment of the utility model.

[0024] Figure 7 It is the sectional view of the driving clamping roller in the stripper embodiment of the utility model.

[0025] The utility model is further described below in combination with the drawings and examples. DETAILED DESCRIPTION

[0026] Peeling device embodiment:

[0027] Reference Figures 1 to 7 The peeling device comprises a housing 11, a cover 12, a driving pinch roller 2 and a driven pinch roller 13, the driving pinch roller 2 is arranged on the housing 11 in the horizontal direction, the driven pinch roller 13 is rotatably arranged on the cover 12 in the horizontal direction, the housing 11 is provided with a first hinge part below the driving pinch roller 2, the cover 12 is provided with a second hinge part below the driven pinch roller 13, the first hinge part is hinged with the second hinge part, the first hinge part is arranged as a hinge hole in this embodiment, the second hinge part is arranged as a rotating shaft 14, the rotating shaft 14 is hinged with the hinge hole, a peeling cavity 111 is arranged between the housing 11 and the cover 12, a peeling inlet 112 is arranged above the peeling cavity 111, a peeling outlet 113 is arranged below the peeling cavity 111, and a peeling blade 15 is arranged above the peeling inlet 112 of the housing 11.

[0028] The driving pinch roller 2 comprises a roller 21, a first support 22, a second support 26, a driving shaft 25 and a driving motor 23, the first support 22, the driving motor 23, the driving shaft 25 and the second support 26 are sequentially connected and arranged in the axial direction, the roller 21 is sequentially communicated and penetrates the first accommodating groove 211, the third accommodating groove 213 and the second accommodating groove 212 in the axial direction, which is parallel to the horizontal direction or the paper width direction in this embodiment, and the roller 21 is closely roll-fitted with the driven pinch roller 13 when the cover 12 is closed.

[0029] The housing 11 is provided with a first side wall and a second side wall on both sides in the horizontal direction, the first support 22 is fixedly connected between the first side wall of the housing 11 and the driving motor 23, the first end of the first support 22 is provided with a stop plane 221, the stop plane 221 is connected with the first side wall of the housing 11, the second end of the first support 22 is provided with a limiting flange 222, the first rolling bearing 241 is arranged between the first support 22 and the inner wall of the first accommodating groove 211, the limiting flange 222 is located on the inner side of the first rolling bearing 241 and is connected with the frame 232 of the driving motor 23, and the first support 22 and the driving motor 23 are both arranged in the first accommodating groove 211.

[0030] The second support 26 is arranged in the second accommodating groove 212 and is connected with the second side wall of the housing 11, the second rolling bearing 242 is arranged between the second support 26 and the inner wall of the second accommodating groove 212, and the second rolling bearing 242 is arranged on the outer side.

[0031] The driving shaft 25 is connected between the output shaft 231 of the driving motor 23 and the second support 26, is arranged in the third accommodating groove 213 and is in driving connection with the inner wall of the third accommodating groove 213, the first end 251 of the driving shaft 25 is in driving connection with the output shaft 231, the second end of the driving shaft 25 is provided with a driving flange 252 in the circumferential direction, the diameter of the third accommodating groove 213 is smaller than the diameter of the first accommodating groove 211 and the diameter of the second accommodating groove 212 respectively, a matching step 214 is arranged between the third accommodating groove 213 and the second accommodating groove 212, the driving flange 252 is provided with a driving protrusion 253 on the two sides in the radial direction respectively, the matching step 214 is provided with a driving groove 215 on the two sides in the radial direction respectively, the driving protrusion 253 is located in the driving groove 215, and the driving flange 252 is in driving connection with the matching step 214. The second end of the driving shaft 25 is provided with a positioning hole 254 in the axial direction, the first end of the second support 26 is provided with a positioning column 261 in the axial direction, and the positioning column 261 is connected with the positioning hole 254. The second end of the second support 26 is connected with the second side wall, the second support 26 is provided with a clamping groove on the inner side of the second rolling bearing 242, and a clamping ring 262 is connected with the clamping groove, so that the stable assembly of the second support 26 is realized.

[0032] The first end of the driving shaft 25 and the inner wall of the first accommodating groove 211 are provided with a third rolling bearing 243. The second support 26 and the inner wall of the second accommodating groove 212 are provided with a fourth rolling bearing 244, and the fourth rolling bearing 244 is close to the second end of the driving shaft 25. The driving motor 23 adopts a speed reducer motor, and the driving motor 23 comprises a motor, a speed reduction gear set and the output shaft 231, the speed reduction gear set is connected between the motor and the output shaft 231, the output shaft 231 has greater torsion through the arrangement of the speed reduction gear set, and then the drum has greater rotation torsion.

[0033] The first support 22 is provided with a communication hole 222 in the axial direction, the driving motor 23 is connected with a lead wire, the lead wire can be led out from the communication hole 222, and then the driving motor 23 can be started, stopped or speed-controlled. Through the driving of the driving motor 23, the driving shaft 25 is driven to rotate, the driving protrusion 253 is in driving connection with the driving groove 215, and the second support 26 is supported, and then the rotation of the drum 21 is driven. After the label paper 10 is printed, the label paper 10 is output to the paper outlet, is peeled off at a large angle by the peeling blade 15, is separated from the base paper 102, is output outward, the base paper 102 is output to the peeling cavity 111 from the peeling inlet 112, is turned by the rotating shaft 16, and is output from the peeling outlet 113. The base paper 102 is clamped by the drum 21 and the driven clamping roller 13 in the peeling cavity 111, and is driven by the automatic force paper feeding traction of the drum 21, so that the peeling effect is improved and the structure arrangement is simplified.

[0034] Label printer embodiment:

[0035] The label printer comprises a printing module and the label stripper 1 of the above-mentioned scheme, the printing module is provided with an output port, and the label stripper 1 is arranged at the output port.

[0036] From the above, it can be seen that by arranging the first support, the second support, the driving motor and the driving shaft in the roller, the driving motor drives the driving shaft to rotate, which in turn drives the roller to roll with the driven clamping roller, so as to realize the clamping of the base paper and the automatic force paper feeding traction drive.

Claims

1. An electric roller traction base paper peeling device, comprising a shell, a cover, a driving clamping roller and a driven clamping roller, the driving clamping roller is arranged on the shell in the horizontal direction, the driven clamping roller is rotatably arranged on the cover in the horizontal direction, the shell is provided with a first hinge part below the driving clamping roller, the cover is provided with a second hinge part below the driven clamping roller, the first hinge part is hinged with the second hinge part, a peeling cavity is arranged between the shell and the cover, a peeling inlet is arranged above the peeling cavity, a peeling outlet is arranged below the peeling cavity, and a peeling blade is arranged above the peeling inlet of the shell. Characterized in that: the driving clamping roller comprises a roller, a first support, a second support, a driving shaft and a driving motor, the first support, the driving motor, the driving shaft and the second support are sequentially connected and arranged in the axial direction, the roller is sequentially communicated and penetrates the first accommodating groove, the third accommodating groove and the second accommodating groove in the axial direction, and the roller is rollingly matched with the driven clamping roller; the first support is fixedly connected between the shell and the driving motor, the first support and the driving motor are arranged in the first accommodating groove, and the first rolling bearing is arranged between the first support and the inner wall of the first accommodating groove; the second support is arranged in the second accommodating groove and connected with the shell, and the second rolling bearing is arranged between the second support and the inner wall of the second accommodating groove; the driving shaft is connected between the output shaft of the driving motor and the second support, the driving shaft is arranged in the third accommodating groove and drivingly connected with the inner wall of the third accommodating groove.

2. The peeling device according to claim 1, characterized in that: the first end of the driving shaft is drivingly connected with the output shaft, the second end of the driving shaft is provided with a driving flange in the circumferential direction, the diameter of the third accommodating groove is smaller than that of the second accommodating groove, a matching step is arranged between the third accommodating groove and the second accommodating groove, and the driving flange is drivingly connected with the matching step.

3. The peeling device according to claim 2, characterized in that: the driving flange is provided with a driving protrusion, the matching step is provided with a driving groove, and the driving protrusion is located in the driving groove.

4. The peeling device according to claim 3, characterized in that: the driving flange is provided with the driving protrusions on the two radial sides respectively, and the matching step is provided with the driving grooves on the two radial sides respectively.

5. The peeling device according to claim 2, characterized in that: the second end of the driving shaft is provided with a positioning hole in the axial direction, the first end of the second support is provided with a positioning column in the axial direction, and the positioning column is connected with the positioning hole.

6. The peeling device according to claim 5, characterized in that: the fourth rolling bearing is arranged between the second support and the inner wall of the second accommodating groove, and the fourth rolling bearing is close to the second end of the driving shaft.

7. The peeling device according to claim 2, characterized in that: A third rolling bearing is arranged between the first end of the drive shaft and the inner wall of the first accommodating groove.

8. The stripper according to claim 1, characterized in that: The first support is provided with a communication hole in the axial direction, which is used for leading out the lead wire.

9. The stripper according to any one of claims 1 to 8, characterized in that: The first end of the first support is provided with a stop plane, which is connected with the shell, and the second end of the first support is provided with a limiting flange, which is located on the inner side of the first rolling bearing and is connected with the drive motor.

10. A label printer characterized by The stripper according to any one of claims 1 to 9.

Images