Easily-torn paper device for thermal printer

Abstract

The utility model relates to the technical field of thermal printers, and provides an easy paper tearing device for a thermal printer, which comprises a fixed frame, a thermal printer main body, a top cover and a discharge frame, one side of the top end of the top cover is fixedly connected with the discharge frame, and one side of the discharge frame is provided with a moving block. Placing grooves are formed in the two ends of one side of the moving block in a linear array mode, and compression springs are fixedly connected into the placing grooves. By arranging the compression springs, the clamping blocks and the clamping grooves, when the cutting teeth need to be replaced, the mounting blocks are held to be pulled, the clamping blocks clamped in the clamping grooves are extruded along with pulling of the mounting blocks, the compression springs fixed to the bottom ends of the clamping blocks are compressed due to extrusion of the clamping blocks, and the compression springs move in the containing grooves; and the clamping blocks fixed to the top ends of the compression springs move out of the clamping grooves along with movement of the compression springs, fixing of the mounting blocks is relieved, the cutting teeth are convenient to replace, the discharging frame does not need to be disassembled, operation is easy, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal printers, and in particular to an easy-tear paper device for a thermal printer. Background Art

[0002] The working principle of a thermal printer is that a semiconductor heating element is installed on the print head. After the print head is heated and contacts the thermal printing paper, the required pattern can be printed. Its principle is similar to that of a thermal fax machine. The image is generated by heating and causing a chemical reaction in the film. The chemical reaction of this thermal printer is carried out at a certain temperature. High temperature will accelerate this chemical reaction.

[0003] For example, the publication number CN219236576U discloses a thermal printer, the main points of its technical solution are: comprising a fixed frame, the internal fixed sleeve of the fixed frame is connected with a thermal printer body, the top surface of the thermal printer body is provided with a top cover; a cutting component, the cutting component is arranged on the top surface of the top cover, and is used to cut the labels printed by the thermal printer body, the cutting component comprises a discharge port, the discharge port is opened on the top surface of the top cover, the top surface of the top cover is fixedly installed with a discharge frame, one side of the discharge frame is provided with a cutting port, through the mutual cooperation between the discharge frame, the thermal printer body, the top cover, the discharge port, the fixed block, the fixed plate, the fixed box, the sliding block, the first sliding groove, the second sliding groove, the blade and the anti-wear plate, the label is cut and separated by the sliding of the blade, avoiding the need for the staff to manually tear the label from the discharge frame, which easily causes the label to be torn and damaged.

[0004] However, in the above case, the cutting teeth cannot be replaced. When the label needs to be printed, the thermal printer body is operated, and the printed label is moved out from the discharge port on the discharge frame. The moving block moves under the rotation of the threaded rod, and the cutting teeth connected to one side of the moving block cut and separate the label in the discharge port as the moving block moves. Since the cutting teeth will wear out after long-term use, the cutting teeth cannot separate the labels accurately and quickly, and the staff needs to dismantle the discharge frame and replace the cutting teeth. The operation is complicated, time-consuming and labor-intensive. Utility Model Content

[0005] The utility model provides an easy-tear paper device for a thermal printer, which solves the problem that the cutting teeth cannot be replaced in the related art.

[0006] The technical scheme of the utility model is as follows: A paper-tear-easy device for a thermal printer comprises a fixed frame, a thermal printer body, a top cover and a discharging frame, one side of the top end of the top cover is fixedly connected to the discharging frame, one side of the discharging frame is provided with a moving block, placement grooves are provided at both ends of one side of the moving block in a linear array, a compression spring is fixedly connected inside the placement groove, a clamping block is fixedly connected to the top of the compression spring, one side of the moving block is clamped with a mounting block, a clamping groove is provided at both ends of a side of the mounting block close to the moving block in a linear array, and the clamping groove is clamped with the clamping block, and a cutting tooth is fixedly connected to the side of the mounting block away from the moving block.

[0007] Furthermore, the four corners of the bottom end of the fixed frame are fixedly connected with support blocks, and the bottom end of the support block is fixedly connected with an anti-slip pad.

[0008] Furthermore, the top end of the fixing frame is bolted to a thermal printer body, and the top end of the thermal printer body is bolted to a top cover.

[0009] Furthermore, a slide groove is provided on one side of the inner wall of the discharge frame, and the moving block is slidably connected to the slide groove.

[0010] Furthermore, a threaded rod is movably connected to one side of the discharging frame close to the sliding groove, and the threaded rod is threadably connected to the moving block.

[0011] Furthermore, a discharge port is provided in the middle of the discharge frame.

[0012] Furthermore, a gripping block is fixedly connected to one side of the threaded rod.

[0013] Furthermore, a connecting block is fixedly connected to the inner wall of the sliding groove away from the holding block, and the connecting block is movably connected to the threaded rod.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. The utility model is provided with a compression spring, a card block and a card slot. When the cutting teeth need to be replaced, the mounting block is held and pulled. The card block engaged in the card slot is squeezed as the mounting block is pulled. The compression spring fixed at the bottom end of the card block is compressed due to the squeezing of the card block and moves in the placement slot. The card block fixed at the top end of the compression spring is moved out of the card slot as the compression spring moves. The mounting block is released, which is convenient for replacing the cutting teeth. There is no need to disassemble the discharge frame. The operation is simple, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1It is a schematic diagram of the overall structure proposed by the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the discharge frame structure proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the threaded rod structure proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the card block structure proposed by the utility model;

[0021] In the figure: 1. fixed frame; 11. support block; 12. anti-skid pad; 2. thermal printer body; 3. top cover; 4. discharge frame; 41. discharge port; 42. slide groove; 43. connecting block; 44. threaded rod; 45. holding block; 5. moving block; 51. placement slot; 52. compression spring; 53. clamping block; 6. mounting block; 61. cutting teeth; 62. clamping groove. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: an easy-tear paper device for a thermal printer, comprising a fixed frame 1, a thermal printer body 2, a top cover 3 and a discharging frame 4, one side of the top of the top cover 3 is fixedly connected with the discharging frame 4, one side of the discharging frame 4 is provided with a moving block 5, a linear array at both ends of one side of the moving block 5 is provided with a placement groove 51, a compression spring 52 is fixedly connected inside the placement groove 51, a clamping block 53 is fixedly connected to the top of the compression spring 52, a mounting block 6 is clamped on one side of the moving block 5, and a clamping groove 62 is provided on the linear array at both ends of the side of the mounting block 6 close to the moving block 5, and the clamping groove 62 is connected to the clamping groove 63. The block 53 is engaged, and a cutting tooth 61 is fixedly connected to the side of the mounting block 6 away from the moving block 5. When in use, the mounting block 6 is held and pulled, and the block 53 engaged in the card slot 62 is squeezed as the mounting block 6 is pulled. The compression spring 52 fixed at the bottom end of the block 53 is compressed due to the squeezing of the block 53 and moves in the placement slot 51. The block 53 fixed at the top end of the compression spring 52 is moved out of the card slot 62 as the compression spring 52 moves, and the mounting block 6 is released, which facilitates the replacement of the cutting tooth 61. There is no need to disassemble the discharge frame 4, which is simple to operate, saving time and effort.

[0024] Reference Figure 1-3The four corners of the bottom end of the fixed frame 1 are fixedly connected with support blocks 11, the bottom end of the support block 11 is fixedly connected with an anti-skid pad 12, the top end of the fixed frame 1 is bolted to the thermal printer body 2, the top end of the thermal printer body 2 is bolted to the top cover 3, a slide groove 42 is provided on one side of the inner wall of the discharge frame 4, and the moving block 5 is slidably connected to the slide groove 42, a threaded rod 44 is movably connected to the side of the discharge frame 4 close to the slide groove 42, and the threaded rod 44 is threadedly connected to the moving block 5, a discharge port 41 is provided in the middle of the discharge frame 4, and the threaded rod 44 A holding block 45 is fixedly connected to one side, and a connecting block 43 is fixedly connected to the inner wall of the slide groove 42 away from the holding block 45, and the connecting block 43 is movably connected to the threaded rod 44. When in use, the holding block 45 is held and rotated, and the threaded rod 44 fixed on one side of the holding block 45 rotates with the rotation of the holding block 45. The moving block 5 connected to the outer wall of the threaded rod 44 drives the installation block 6 to move with the rotation of the threaded rod 44, and the cutting teeth 61 fixed on one side of the installation block 6 cut and separate the label with the movement of the installation block 6.

[0025] The working principle and use process of the utility model are as follows: first, when it is necessary to print a label, the thermal printer body 2 is operated to print the content on the label, and the printed label is removed from the discharge port 41 on the discharge frame 4, then, the holding block 45 is held and rotated, and the threaded rod 44 fixed on one side of the holding block 45 rotates with the rotation of the holding block 45, and the moving block 5 connected to the outer wall of the threaded rod 44 drives the mounting block 6 to move with the rotation of the threaded rod 44, and the cutting teeth 61 fixed on one side of the mounting block 6 cut and separate the label with the movement of the mounting block 6. When the cutting teeth 61 need to be replaced, the mounting block 6 is held and pulled, and the card block 53 clamped in the card slot 62 is squeezed with the pulling of the mounting block 6, and the card block 53 fixed at the bottom is fixed to the card block 53. The compression spring 52 at the end is compressed due to the extrusion of the card block 53, and moves in the placement groove 51. The card block 53 fixed at the top of the compression spring 52 is moved out of the card slot 62 as the compression spring 52 moves, and the mounting block 6 is released. The new mounting block 6 is taken out of the tool box, and the mounting block 6 is held and moved in the mounting groove on the moving block 5. The card blocks 53 connected on both sides of the moving block 5 are squeezed as the mounting block 6 moves, and the compression spring 52 fixed at the bottom of the card block 53 drives the card block 53 to move in the compression spring 52 as the card block 53 is squeezed. When the mounting block 6 moves to the card slot 62, the card block 53 and the compression spring 52 lose the extrusion of the mounting block 6 and rebound, so that the card block 53 is clamped in the card slot 62, and the mounting block 6 is fixed.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An easy-tear paper device for a thermal printer, It is characterized in that The thermal printer comprises a fixed frame (1), a thermal printer body (2), a top cover (3) and a discharge frame (4); one side of the top of the top cover (3) is fixedly connected to the discharge frame (4); one side of the discharge frame (4) is provided with a moving block (5); two end linear arrays of one side of the moving block (5) are provided with placement grooves (51); a compression spring (52) is fixedly connected inside the placement groove (51); a clamping block (53) is fixedly connected to the top of the compression spring (52); one side of the moving block (5) is clamped with a mounting block (6); two end linear arrays of the mounting block (6) close to the moving block (5) are provided with clamping grooves (62); the clamping grooves (62) are clamped with the clamping block (53); and a side of the mounting block (6) away from the moving block (5) is fixedly connected with cutting teeth (61).

2. The easy-tear paper device for a thermal printer according to claim 1, It is characterized in that The four corners of the bottom end of the fixed frame (1) are fixedly connected to support blocks (11), and the bottom end of the support block (11) is fixedly connected to an anti-slip pad (12).

3. The easy-tear paper device for a thermal printer according to claim 1, It is characterized in that The top end of the fixing frame (1) is bolted to a thermal printer body (2), and the top end of the thermal printer body (2) is bolted to a top cover (3).

4. The easy-tear paper device for a thermal printer according to claim 1, It is characterized in that A slide groove (42) is provided on one side of the inner wall of the discharge frame (4), and the moving block (5) is slidably connected to the slide groove (42).

5. The easy-tear paper device for a thermal printer according to claim 1, It is characterized in that A threaded rod (44) is movably connected to one side of the discharge frame (4) close to the slide groove (42), and the threaded rod (44) is threadedly connected to the moving block (5).

6. The easy-tear paper device for a thermal printer according to claim 1, It is characterized in that A discharge port (41) is provided in the middle of the discharge frame (4).

7. The easy-tear paper device for a thermal printer according to claim 5, It is characterized in that A gripping block (45) is fixedly connected to one side of the threaded rod (44).

8. The easy-tear paper device for a thermal printer according to claim 4, It is characterized in that A connecting block (43) is fixedly connected to the inner wall of the sliding groove (42) at a side away from the gripping block (45), and the connecting block (43) is movably connected to the threaded rod (44).

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