Rapid positioning mechanism for label cutting

Abstract

The utility model relates to the field of label cutting, in particular to a label cutting rapid positioning mechanism which comprises a workbench, a sliding groove is formed in the interior of the upper portion of the workbench, an extending frame is fixedly installed on the upper portion of the workbench through bolts, a clamping mechanism is arranged on the upper portion of the workbench, and the clamping mechanism comprises a lead screw motor. A driving shaft of the lead screw motor extends into the sliding groove and then is fixedly provided with a lead screw, and a positioning and cutting mechanism is further arranged above the workbench and comprises a first stepping motor; the lead screw motor is started to drive the lead screw to rotate, so that the two lead screw sliding blocks and the conical head clamping columns on the lead screw sliding blocks are driven to clamp a label paper roll, the label paper roll can be clamped and discharged conveniently through the device, and the label paper roll is centered after being clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to label cutting field especially relates to a label cutting fast positioning mechanism. BACKGROUND

[0002] In the aspect of label cutting, because labels mostly take paper as the base body, the texture is not like flexible components to keep flat in the natural state, and the label is prone to bending, wrinkling and other conditions during cutting, and during the cutting process, this characteristic makes the label easy to bend upward, thereby causing the problem of excessive feeding, affecting the accuracy and efficiency of cutting;

[0003] A label positioning and cutting device is disclosed in a Chinese utility model patent (application number: 2023229082610), which avoids large cutting size errors caused by label bending during cutting operation by pressing the rectangular frame at one end of the cutting seat on the label bending and bulging position, solves the problem that the label size after cutting does not meet the predetermined requirements due to excessive feeding caused by label bending, and cannot meet the actual use requirements;

[0004] But the above-mentioned application only improves the label easy to bend upward during cutting, and there is no traction mechanism or material feeding mechanism in the device, so that the device still needs to be operated manually during use, which shows that the device has poor practicability, and the label to be cut in the outer wall of the winding roller in the device cannot be kept centered during cutting, so that the label to be cut in the outer wall of the winding roller is prone to sliding during cutting operation, resulting in disordered cutting labels.

[0005] In view of the above technical defects, a solution is proposed. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a label cutting fast positioning mechanism to solve the above-mentioned technical defects.

[0007] The purpose of the utility model can be realized by the following technical scheme:

[0008] A label cutting fast positioning mechanism, comprising a workbench, a sliding slot is formed in the upper part of the workbench, an extension frame is fixedly installed on the upper part of the workbench through bolts, a material clamping mechanism is arranged on the upper part of the workbench, the material clamping mechanism comprises a lead screw motor, a lead screw is fixedly installed on the driving shaft of the lead screw motor after extending into the sliding slot, a positioning and cutting mechanism is further arranged on the upper part of the workbench, and the positioning and cutting mechanism comprises a first stepper motor.

[0009] Preferably, the inside of the chute is provided with two first limiting rods symmetrically distributed, the first limiting rods are fixedly connected with the workbench, and the upper side of the workbench is also provided with first roller mounting plates symmetrically distributed.

[0010] Preferably, the inside of the extension frame is fixedly provided with screw cylinders symmetrically distributed, the inside of the workbench on one side of the screw cylinders is provided with a mounting groove, and the workbench on both sides of the mounting groove is provided with second roller mounting plates fixedly connected.

[0011] Preferably, the lead screw motor is located on one side of the workbench and fixedly connected with the workbench through bolts, the outside of the lead screw is provided with lead screw blocks symmetrically distributed, the lead screw blocks are threadedly connected with the lead screw and slidably connected with the first limiting rods, the upper side of the lead screw blocks is provided with fixed plates fixedly connected, the inside of the fixed plates is provided with taper head clamping columns rotatably connected, and the outside of the clamping head portions of the taper head clamping columns is arrayed with integral protrusions.

[0012] Preferably, the first stepper motor is located on one side of the first roller mounting plate and fixedly connected with the first roller mounting plate through bolts, the first roller mounting plates are provided with first pinch rollers symmetrically distributed, the first pinch rollers are rotatably connected with the first roller mounting plates, the other ends of the first pinch rollers are fixedly provided with first spur gears after penetrating through the first roller mounting plates, the first spur gears at one end of the two first pinch rollers are meshed with each other, and the driving shaft of the first stepper motor is fixedly connected with the shaft at one end of one of the first pinch rollers.

[0013] Preferably, one of the second roller mounting plates is fixedly provided with a second stepper motor on one side through bolts, the second roller mounting plates are provided with second pinch rollers symmetrically distributed, the second pinch rollers are rotatably connected with the second roller mounting plates, the driving shaft of the second stepper motor is fixedly connected with the shaft at one end of one of the second pinch rollers, and the shaft at the other end of the second pinch roller is fixedly provided with a second spur gear after penetrating through the second roller mounting plate, and the second spur gears at one end of the two second pinch rollers are meshed with each other.

[0014] Preferably, the upper side of the extension frame is fixedly provided with an electric push rod through bolts, the driving shaft of the electric push rod is fixedly provided with a knife clamp after penetrating through the extension frame, the inside of the knife clamp is fixedly provided with a cutter, and the upper side of the knife clamp is fixedly provided with second limiting rods symmetrically distributed.

[0015] The upper ends of the second limiting rods penetrate through the extension frame and are slidably connected with the extension frame, the inside of each of the screw cylinders is provided with a limiting screw threadedly connected, the lower side of the limiting screw close to the first stepper motor is provided with an inlet pressing plate rotatably connected, and the lower side of the limiting screw close to the second stepper motor is provided with an outlet pressing plate rotatably connected.

[0016] The utility model discloses the beneficial effect is as follows:

[0017] The utility model discloses a first step motor is started with the first clamping and conveying roller between the drive label paper to the side close to the cutter movement, until the label paper's to be cut position reaches the gap between the feeding pressure plate and the discharge pressure plate, and then the electric push rod is started and drives the cutter to cut the label paper, and after cutting, the first step motor continues to start and drives the label paper to the side of the cutter movement, and the uncut label paper pushes the cut label paper to the below of the discharge pressure plate, until the cut label paper reaches between the second clamping and conveying roller, and then the second step motor is started and drives two second clamping and conveying rollers to rotate reversely at the same speed, thereby the cut label paper is discharged. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model makes further explanation in combination with the drawings;

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the connecting structure schematic diagram of the workbench in the utility model;

[0021] Figure 3 It is the connecting structure schematic diagram of the workbench and the clamping mechanism in the utility model;

[0022] Figure 4 It is the whole structure schematic diagram of the positioning cutting mechanism in the utility model;

[0023] Figure 5 It is the positional relation structure schematic diagram of the feeding pressure plate, the discharge pressure plate and the cutter in the utility model.

[0024] Legend: 1, workbench; 11, sliding groove; 12, first limiting rod; 13, first roller mounting plate; 14, extension frame; 15, threaded cylinder; 16, mounting groove; 17, second roller mounting plate; 2, clamping mechanism; 21, screw motor; 22, screw; 23, screw block; 24, fixed plate; 25, conical head clamping column; 3, positioning and cutting mechanism; 31, first stepper motor; 32, first pinch roller; 33, first spur gear; 34, second stepper motor; 35, second pinch roller; 36, second spur gear; 37, electric push rod; 38, cutter holder; 39, second limiting rod; 40, cutter; 41, limiting screw; 42, feeding press plate; 43, discharging press plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figure 1 - Figure 5 As shown in the figure, the utility model is a label cutting and rapid positioning mechanism, which comprises a workbench 1, a sliding groove 11 is formed in the upper part of the workbench 1, two first limiting rods 12 are symmetrically arranged in the sliding groove 11, the first limiting rods 12 are fixedly connected with the workbench 1, and symmetrically distributed first roller mounting plates 13 are further arranged on the upper part of the workbench 1, and the bottom of each first roller mounting plate 13 is fixed to the workbench 1 by bolts.

[0027] Arrayed support columns are further fixedly arranged on the bottom of the workbench 1, an extension frame 14 is fixedly arranged on the upper part of the workbench 1 by bolts, symmetrically arranged threaded cylinders 15 are fixedly arranged in the extension frame 14, a mounting groove 16 is formed in the workbench 1 on the side of the threaded cylinder 15, and second roller mounting plates 17 are fixedly connected with the workbench 1 on both sides of the mounting groove 16.

[0028] The upper side of the workbench 1 is provided with a clamping mechanism 2, the clamping mechanism 2 comprises a lead screw motor 21, the lead screw motor 21 is located on one side of the workbench 1 and is fixed with the workbench 1 through bolts, the driving shaft of the lead screw motor 21 extends into the sliding groove 11 and is fixedly installed with a lead screw 22, the outer side of the lead screw 22 is provided with symmetrically distributed lead screw blocks 23, the lead screw blocks 23 are in threaded connection with the lead screw 22 and are in sliding connection with the first limiting rod 12, the upper side of the lead screw block 23 is provided with a fixedly connected fixed plate 24, the inside of the fixed plate 24 is provided with a rotationally connected conical head clamping column 25, the outer side of the chuck portion of the conical head clamping column 25 is arrayed with an integrally formed protrusion, and the protrusion is used for preventing slip when clamping the label roll.

[0029] The upper side of the workbench 1 is also provided with a positioning and cutting mechanism 3, the positioning and cutting mechanism 3 comprises a first stepper motor 31, the first stepper motor 31 is located on one side of the first roller mounting plate 13 and is fixed with the first roller mounting plate 13 through bolts, the first roller mounting plate 13 is provided with symmetrically distributed first pinch rollers 32 between them, the first pinch rollers 32 are in rotational connection with the first roller mounting plate 13, the other end of the first pinch roller 32 is fixedly provided with a first spur gear 33 after penetrating through the first roller mounting plate 13, the first spur gears 33 at one end of the two first pinch rollers 32 are in meshing with each other, the driving shaft of the first stepper motor 31 is fixedly connected with the shaft at one end of one of the first pinch rollers 32, when the first stepper motor 31 is started, the two first pinch rollers 32 are driven to rotate at the same speed in opposite directions, so as to convey the label paper in it to one side.

[0030] The side of one of the second roller mounting plates 17 is fixedly provided with a second stepper motor 34 through bolts, the second roller mounting plates 17 are provided with symmetrically distributed second pinch rollers 35 between them, the second pinch rollers 35 are in rotational connection with the second roller mounting plates 17, the driving shaft of the second stepper motor 34 is fixedly connected with the shaft at one end of one of the second pinch rollers 35, the shaft at the other end of the second pinch roller 35 is fixedly provided with a second spur gear 36 after penetrating through the second roller mounting plate 17, the second spur gears 36 at one end of the two second pinch rollers 35 are in meshing with each other, when the second stepper motor 34 is started, the two second pinch rollers 35 are driven to rotate at the same speed in opposite directions, so as to clamp and convey the cut label.

[0031] The upper portion of the extension frame 14 is provided with an electric push rod 37 fixed by bolts, the driving shaft of the electric push rod 37 is fixedly provided with a cutter clamp 38 after penetrating through the extension frame 14, the inside lower portion of the cutter clamp 38 is fixedly installed with a cutting knife 40, the upper portion of the cutter clamp 38 is fixedly provided with symmetrically distributed second limiting rods 39, the upper ends of the second limiting rods 39 penetrate through the extension frame 14 and are slidably connected with the extension frame 14, the two threaded barrels 15 are both provided with limiting screws 41 in threaded connection, the lower portion of the limiting screw 41 close to one end of the first stepping motor 31 is provided with a feeding pressure plate 42 in rotary connection, the feeding pressure plate 42 is lifted when the limiting screw 41 is screwed, the lower portion of the limiting screw 41 close to one end of the second stepping motor 34 is provided with an ejection pressure plate 43 in rotary connection, the ejection pressure plate 43 is lifted when the limiting screw 41 is screwed.

[0032] The working process and principle of the utility model are as follows:

[0033] In use, firstly, the lead screw motor 21 is started, the lead screw motor 21 drives the lead screw 22 to rotate, thereby driving the two lead screw sliding blocks 23 and the taper head clamping columns 25 on them to move outward, then the label paper roll is placed between the taper head clamping columns 25, the lead screw motor 21 is started again to drive the two taper head clamping columns 25 to move inward, thereby clamping the label paper roll between the taper head clamping columns 25, then the label paper is pulled out of the label paper roll, the label paper is placed below the feeding pressure plate 42 after passing between the first clamping and feeding rollers 32, at this time, the first stepping motor 31 is started, the first stepping motor 31 drives the two first clamping and feeding rollers 32 to rotate at the same speed in opposite directions, thereby driving the label paper between the first clamping and feeding rollers 32 to move to the side close to the cutting knife 40;

[0034] Until the cutting position of the label paper reaches the gap between the feeding pressure plate 42 and the ejection pressure plate 43, the electric push rod 37 is started to drive the cutting knife 40 to press down, thereby cutting the label paper, after cutting, the first stepping motor 31 is continuously started to drive the label paper to move to the side of the cutting knife 40, at this time, the uncut label paper pushes the cut label paper to the lower portion of the ejection pressure plate 43, until the cut label paper reaches between the second clamping and feeding rollers 35, at this time, the second stepping motor 34 is started to drive the two second clamping and feeding rollers 35 to rotate at the same speed in opposite directions, thereby driving the cut label paper to carry out the ejection operation.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A label cutting and quick positioning mechanism comprising a worktable (1), characterized in that, The upper part of the workbench (1) is internally provided with a sliding groove (11), the upper part of the workbench (1) is fixedly installed with an extension frame (14) through bolts, the upper part of the workbench (1) is provided with a material clamping mechanism (2), the material clamping mechanism (2) comprises a lead screw motor (21), the drive shaft of the lead screw motor (21) is fixedly installed with a lead screw (22) after extending into the sliding groove (11), and the upper part of the workbench (1) is also provided with a positioning and cutting mechanism (3), and the positioning and cutting mechanism (3) comprises a first stepping motor (31).

2. The label cutting and fast positioning mechanism according to claim 1, wherein, The inside of the sliding groove (11) is provided with two first limiting rods (12) which are symmetrically distributed, the first limiting rods (12) are fixedly connected with the workbench (1), and the upper part of the workbench (1) is also provided with first roller mounting plates (13) which are symmetrically distributed, and the bottoms of the first roller mounting plates (13) are fixedly connected with the workbench (1) through bolts.

3. The label cutting and fast positioning mechanism according to claim 1, wherein, The inside of the extension frame (14) is fixedly embedded with symmetrically distributed threaded barrels (15), the inside of the workbench (1) on one side of the threaded barrel (15) is provided with a mounting groove (16), and the inside of the workbench (1) on both sides of the mounting groove (16) is provided with second roller mounting plates (17) which are fixedly connected.

4. The label cutting and fast positioning mechanism according to claim 1, wherein, The lead screw motor (21) is located on one side of the workbench (1) and is fixedly connected with the workbench (1) through bolts, the outside of the lead screw (22) is provided with symmetrically distributed lead screw sliding blocks (23), the lead screw sliding blocks (23) are threadedly connected with the lead screw (22) and are slidably connected with the first limiting rods (12), the upper part of the lead screw sliding block (23) is fixedly connected with a fixed plate (24), the inside of the fixed plate (24) is rotatably connected with a conical head clamping column (25), and the outside of the clamping head of the conical head clamping column (25) is arrayed with an integrally formed protrusion.

5. The label cutting and fast positioning mechanism according to claim 1, wherein, The first stepping motor (31) is located on one side of the first roller mounting plate (13) and is fixedly connected with the first roller mounting plate (13) through bolts, the first roller mounting plate (13) is provided with symmetrically distributed first pinch rollers (32), the first pinch rollers (32) are rotatably connected with the first roller mounting plate (13), the other end of the first pinch roller (32) is fixedly provided with a first spur gear (33) after penetrating through the first roller mounting plate (13), the first spur gears (33) at one end of the two first pinch rollers (32) are meshed with each other, and the drive shaft of the first stepping motor (31) is fixedly connected with the shaft at one end of one of the first pinch rollers (32).

6. The label cutting and fast positioning mechanism according to claim 3, wherein, One side of the second roller mounting plate (17) is provided with a second stepper motor (34) fixed by bolts, symmetrically distributed second pinch rollers (35) are arranged between the second roller mounting plates (17), the second pinch rollers (35) are rotatably connected with the second roller mounting plates (17), the driving shaft of the second stepper motor (34) is fixedly connected with the shaft at one end of one of the second pinch rollers (35), the shaft at the other end of the second pinch roller (35) is fixedly provided with a second spur gear (36) after penetrating through the second roller mounting plate (17), and the second spur gears (36) at one end of the two second pinch rollers (35) are meshed with each other.

7. A label cutting and fast positioning mechanism according to claim 6, wherein The upper side of the extension frame (14) is provided with an electric push rod (37) fixed by bolts, the driving shaft of the electric push rod (37) is fixedly provided with a cutter holder (38) after penetrating through the extension frame (14), the inside of the cutter holder (38) is fixedly provided with a cutter (40), and the upper side of the cutter holder (38) is fixedly provided with symmetrically distributed second limiting rods (39); The upper end of the second limiting rod (39) penetrates through the extension frame (14) and is slidably connected with the extension frame (14), the limiting screws (41) are threadedly connected in the two threaded barrels (15), the lower side of the limiting screw (41) close to one end of the first stepper motor (31) is provided with a feed pressing plate (42) rotatably connected, and the lower side of the limiting screw (41) close to one end of the second stepper motor (34) is provided with a discharge pressing plate (43) rotatably connected.

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