Machine head structure of manual ceramic tile cutting machine

Abstract

The utility model relates to a machine head structure of a manual ceramic tile cutting machine, which comprises a guide rail, a machine shell is connected on the guide rail in a sliding mode, a handle is movably connected on the machine shell in a rotating mode, and a sliding assembly is arranged in the machine shell and comprises a first sliding seat and a second sliding seat. The first sliding seat comprises a first main body and a second main body extending out of the side edge of the first main body, the first main body is rotationally and movably connected with a first side edge sliding set located on the side edge of the guide rail, and the second main body is rotationally and movably connected with an upper side sliding set located above the guide rail; the second sliding seat comprises a third main body and a fourth main body extending out of the side edge of the third main body, the third main body is rotationally and movably connected with a second side edge sliding set located on the side edge of the guide rail, and the fourth main body is rotationally and movably connected with a lower side sliding set located below the guide rail. According to the utility model, the perpendicularity between the sliding groups can be well controlled, the sliding is smoother, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to the field of building decoration machinery, in particular to a head structure of a manual tile cutting machine. Background Art

[0002] Manual tile cutters are easy to operate, cheap, and easy to carry, and are widely used in tile cutting during decoration.

[0003] Existing manual tile cutting machines generally achieve the cutting function by sliding the head structure on the guide rail, such as the tile cutting machine disclosed in CN115319936A, in which the left slide and the right slide in the cutting device are each provided with two bearing groups on both sides, and the two bearing groups are located at both ends of the push plate through an axis, and the two push plates are respectively fixed on the left slide and the right slide, and an elastic plastic part is arranged between the right slide or the left slide and the push plate, and the upper bearing group and the lower bearing group are respectively installed in the shaft seats of the left slide and the right slide through the axis, and the bearings in the upper bearing group and the lower bearing group are respectively in contact with the guide rail, and the anti-loosening screws are used to fine-tune the push plate through the thread holes in the right slide or the left slide.

[0004] The upper and lower bearing groups of the above-mentioned cutting device are separately arranged from the left and right bearing groups. It is difficult to ensure the verticality of the upper and lower bearing groups and the left and right bearing groups when assembling the cutting device and the guide rail. It is easy to cause the bearing surface to not fully contact with the guide rail when the cutting device slides on the guide rail, resulting in uneven sliding and reduced bearing service life. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a head structure of a manual tile cutting machine, so as to solve the shortcoming of the prior art that the verticality of the bearing group is not well controlled.

[0006] In order to solve the above technical problems, the technical solutions provided by the utility model are as follows:

[0007] A head structure of a manual tile cutting machine, comprising at least:

[0008] guide;

[0009] A casing, wherein the casing is slidably connected to the guide rail;

[0010] A handle, one end of which is rotatably connected to the housing;

[0011] The sliding assembly is arranged in the casing, and includes a first sliding seat and a second sliding seat. The first sliding seat includes a first main body and a second main body extending from the side of the first main body. The first main body is rotatably connected with a first side sliding group located on the side of the guide rail, and the second main body is rotatably connected with an upper sliding group located above the guide rail. The second sliding seat includes a third main body and a fourth main body extending from the side of the third main body. The third main body is rotatably connected with the second side sliding group located on the side of the guide rail, and the fourth main body is rotatably connected with a lower sliding group located below the guide rail.

[0012] In a preferred embodiment, the first side sliding group, the upper side sliding group, the second side sliding group and the lower side sliding group all include rolling elements rollingly connected to the guide rail surface and rotating shafts rotatably connected to the rolling elements.

[0013] In a preferred embodiment, a first groove is provided on the first main body, and the rolling elements of the first side sliding group include a first rolling element and a second rolling element, the first rolling element is rotatably connected in the first groove, and the second rolling element is rotatably connected to the end of the first main body, a second groove is provided on the second main body, and the rolling elements of the upper sliding group are rotatably connected in the second groove, a third groove is provided on the third main body, and the rolling elements of the second side sliding group include a third rolling wheel and a fourth rolling wheel, the third rolling wheel is rotatably connected in the third groove, and the fourth rolling wheel is rotatably connected to the end of the third main body, a fourth groove is provided on the fourth main body, and the rolling element of the lower sliding group is rotatably connected in the fourth groove.

[0014] In a preferred embodiment, the first main body is also provided with a first waist-shaped hole, the rotating shaft of the first side sliding group is connected to the first waist-shaped hole, the length direction of the first waist-shaped hole is perpendicular to the length direction of the guide rail, the first main body is provided with an adjustment screw abutting the rotating shaft, the third main body is provided with a second waist-shaped hole, the rotating shaft of the second side sliding group is connected to the second waist-shaped hole, the length direction of the second waist-shaped hole is perpendicular to the length direction of the guide rail, the third main body is provided with an adjustment screw abutting the rotating shaft, and the casing is provided with an adjustment hole corresponding to the position of the adjustment screw.

[0015] In a preferred embodiment, the bottom of the housing is provided with an adjusting screw abutting against the bottom surface of the fourth body.

[0016] In a preferred embodiment, a fifth groove is provided on a side of the first body away from the second body, a sixth groove is provided on a side of the third body away from the fourth body, and a first protrusion adapted to the fifth groove and a second protrusion adapted to the sixth groove are provided on the housing.

[0017] In a preferred embodiment, a gasket is provided between the sliding assembly and the inner wall of the casing, and a seventh groove is provided on the gasket.

[0018] In a preferred embodiment, an elastic member is provided between the handle and the housing.

[0019] In a preferred embodiment, the handle is further fixedly provided with a handle swing arm at one end close to the housing, a presser foot is rotatably connected to the lower part of the handle swing arm, and an adsorption structure is provided between the presser foot and the handle swing arm.

[0020] In a preferred embodiment, the adsorption structure includes a magnet arranged on the presser foot and a metal screw arranged on the handle arm, and a protrusion is arranged below the housing.

[0021] Compared with the prior art, the head structure of the manual tile cutter of this embodiment has the following beneficial effects:

[0022] 1) The upper sliding group and the first side sliding group are connected to the first sliding seat, and the lower sliding group and the second side sliding group are connected to the second sliding seat. The verticality between the upper sliding group and the first side sliding group and the verticality between the lower sliding group and the second side sliding group can be better controlled, so that the surface of the rolling element is easier to fully contact with the surface of the guide rail, the sliding is smoother, and the service life is longer;

[0023] 2) The rotating shaft is connected to the first sliding seat and the second sliding seat through a waist-shaped hole, and the adjusting screw abutting against the rotating shaft can adjust the relative position of the rotating shaft, thereby adjusting the relative clearance between the rolling element and the guide rail on the first side sliding group and the second side sliding group, so that the rolling of the rolling element is smoother and the service life is extended;

[0024] 3) The adjustment hole corresponding to the position of the adjustment screw is set on the casing, and the adjustment screw can be rotated without disassembling the casing, which makes the adjustment more convenient;

[0025] 4) An adjusting screw is provided at the bottom of the casing to adjust the relative gap between the lower sliding group and the guide rail to prevent the lower sliding group from deviating from the original position due to its own gravity after long-term use;

[0026] 5) A fifth groove is provided on the first body, a sixth groove is provided on the second body, and a first protrusion adapted to the fifth groove and a second protrusion adapted to the sixth groove are provided on the housing, so that the housing can be positioned relative to the first sliding seat and the second sliding seat when the housing is installed, so that the installation is more convenient and relative displacement is less likely to occur;

[0027] 6) A gasket is provided between the sliding assembly and the inner wall of the housing. By disassembling and assembling the gasket and adjusting the relative positions of the rotating shafts of the first side sliding assembly and the second side sliding assembly, the sliding assembly can be adapted to guide rails of different widths, thereby improving versatility and assembly and adjustment efficiency and reducing R&D costs and production costs;

[0028] 7) An elastic member is provided between the handle and the housing so that the handle can be automatically retracted when not in use, thereby reducing the collision between the bottom of the housing and the surface of the tile;

[0029] 8) An adsorption component is provided between the presser foot and the handle arm, so that the presser foot can be put away more conveniently. A protrusion is provided on the casing, which can hit the presser foot when the presser foot rotates with the handle arm, so that it is separated from the adsorption structure, and the presser foot can be put down more conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional structural schematic diagram of the head structure of the manual tile cutting machine of this embodiment;

[0031] Figure 2 It is a schematic diagram of the exploded structure of the head structure of the manual tile cutting machine of this embodiment;

[0032] Figure 3 It is a schematic diagram of the three-dimensional structure of the first sliding seat of the head structure of the manual tile cutting machine of this embodiment;

[0033] Figure 4 It is a schematic diagram of the three-dimensional structure of the second sliding seat of the head structure of the manual tile cutting machine of this embodiment;

[0034] Figure 5 It is a three-dimensional structural schematic diagram of the head structure sliding assembly of the manual tile cutting machine of this embodiment;

[0035] Figure 6 It is a three-dimensional structural diagram of half of the casing of the head structure of the manual tile cutting machine of this embodiment;

[0036] Figure 7 It is a three-dimensional structural schematic diagram of the other half of the casing of the head structure of the manual tile cutting machine of this embodiment;

[0037] Figure 8 It is a schematic cross-sectional view of the head structure of the manual tile cutting machine of this embodiment;

[0038] Fig. 9 It is a partial enlarged schematic diagram of the bottom of the head structure of the manual tile cutting machine of this embodiment;

[0039] Fig.10 It is a three-dimensional structural schematic diagram of the head structure gasket of the manual tile cutting machine of this embodiment;

[0040] Fig.11 This is a schematic diagram of the three-dimensional structure of the manual tile cutter of this embodiment with the head structure hiding half of the casing.

[0041] Description of reference numerals: 1-handle, 2-housing, 3-guide rail, 4-first sliding seat, 5-second sliding seat, 6-first side sliding group, 7-upper sliding group, 8-second side sliding group, 9-lower sliding group, 10-rolling member, 11-rotating shaft, 12-adjusting screw, 13-gasket, 14-elastic member, 15-handle swing arm, 16-presser foot, 17-magnet, 18-metal screw, 21-first protrusion, 22-second protrusion, 23-adjusting Section hole, 24-protrusion, 41-first body, 42-second body, 43-first groove, 44-second groove, 45-first waist-shaped hole, 46-fifth groove, 51-third body, 52-fourth body, 53-third groove, 54-fourth groove, 55-second waist-shaped hole, 56-sixth groove, 101-first rolling element, 102-second rolling element, 103-third rolling element, 104-fourth rolling element, 131-seventh groove. DETAILED DESCRIPTION

[0042] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0043] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0044] like Figure 1 As shown, the head structure of the manual tile cutting machine of this embodiment includes a guide rail 3, a housing 2 is slidably connected to the guide rail 3, and the housing 2 is rotatably connected to the right end of the handle 1.

[0045] like Figure 2 As shown, the housing 2 of this embodiment is divided into two parts, a left part and a right part. A sliding assembly is arranged inside the housing 2, and the sliding assembly includes a first sliding seat 4 and a second sliding seat 5.

[0046] like Figure 3As shown, the first sliding seat 4 includes a first body 41 and a second body 42 extending from the side of the first body 41. The first body 41 is provided with a first groove 43, and the second body 42 is provided with a second groove 44. The first body 41 is also provided with a first waist-shaped hole 45, the length direction of the first waist-shaped hole 45 is perpendicular to the length direction of the guide rail 3, and a fifth groove 46 is provided on the side of the first body 41 away from the second body 42.

[0047] like Figure 5 As shown, the second sliding seat 5 has a similar structure to the first sliding seat 4, and includes a third main body 51 and a fourth main body 52 extending from the side of the third main body 51, the third main body 51 is provided with a third groove 53, the fourth main body 52 is provided with a fourth groove 54, the third main body 51 is provided with a second waist-shaped hole 55, the length direction of the second waist-shaped hole 55 is perpendicular to the length direction of the guide rail 3, and a sixth groove 56 is provided on the side of the third main body 51 away from the fourth main body 52.

[0048] like Figure 5 As shown, the first body 41 is rotatably connected to a first side sliding group 6 located on the side of the guide rail 3, the second body 42 is rotatably connected to an upper sliding group 7 located above the guide rail 3, the third body 51 is rotatably connected to a second side sliding group 8 located on the side of the guide rail 3, and the fourth body 52 is rotatably connected to a lower sliding group 9 located below the guide rail 3.

[0049] like Figure 5 As shown, the first side sliding group 6, the upper side sliding group 7, the second side sliding group 8 and the lower side sliding group 9 all include a rolling member 10 rollingly connected to the surface of the guide rail 3 and a rotating shaft 11 rotatably connected to the rolling member 10. In this embodiment, the rolling member 10 is preferably a bearing. Each sliding group can be provided with multiple groups in parallel. In this embodiment, each sliding group is provided with two groups in parallel.

[0050] The upper sliding group 7 and the first side sliding group 6 are uniformly connected to the first sliding seat, and the lower sliding group 9 and the second side sliding group 8 are uniformly connected to the second sliding seat. The verticality between the upper sliding group 7 and the first side sliding group 6, and the verticality between the lower sliding group 9 and the second side sliding group 8 are better controlled, so that the surface of the rolling element 10 is easier to fully contact with the surface of the guide rail 3, the sliding is smoother, and the service life is longer.

[0051] like Figure 5As shown, the rolling element 10 of the first side sliding group 6 includes a first rolling element 101 and a second rolling element 102, the first rolling element 101 is rotatably connected in the first groove 43, the second rolling element 102 is rotatably connected to the lower end of the first body 41, the second body 42 is provided with a second groove 44, the rolling element 10 of the upper sliding group 7 is rotatably connected in the second groove 44, the rolling element 10 of the second side sliding group 8 includes a third rolling wheel 103 and a fourth rolling wheel 104, the third rolling wheel 103 is rotatably connected in the third groove 53, the fourth rolling wheel 104 is rotatably connected to the upper end of the third body 51, the fourth body 52 is provided with a fourth groove 54, and the rolling element 10 of the lower sliding group 9 is rotatably connected in the fourth groove 54.

[0052] Of course, the rolling elements 10 of the upper sliding group 7 and the lower sliding group 9 can also be arranged at the end, as long as they can be fully in contact with the guide rail 3.

[0053] like Figure 5 As shown, the rotating shaft 11 of the first side sliding group 6 is connected to the first waist-shaped hole 45, and the first main body 41 is provided with an adjusting screw 12 that abuts against the rotating shaft 11. Similarly, the rotating shaft 11 of the second side sliding group 8 is connected to the second waist-shaped hole 55, and the third main body 51 is provided with an adjusting screw 12 that abuts against the rotating shaft 11. The waist-shaped hole and the adjusting screw can conveniently adjust the relative position of the rotating shaft 11, thereby adjusting the gap between the rolling element 10 and the guide rail 3 to make the sliding smoother.

[0054] like Figure 6 and Figure 7 As shown, the housing 2 is provided with an adjustment hole 23 corresponding to the position of the adjustment screw 12. Figure 1 As shown, the adjustment hole 23 can expose the adjustment screw 12 to the field of vision, so that the adjustment screw can be rotated without disassembling the housing 2, making the adjustment more convenient. A first protrusion 21 adapted to the fifth groove 46 is provided on the inner wall of one side of the housing 2, and a second protrusion 22 adapted to the sixth groove 56 is provided on the inner wall of the other side of the housing 2. A protrusion 24 is provided at the bottom of the housing 2.

[0055] like Figure 8 As shown, the handle 1 is also fixedly provided with a handle arm 15 at one end close to the housing 2, and a presser foot 16 is rotatably connected to the lower part of the handle arm 15. An elastic member 14 is provided between the handle 1 and the housing 2. The elastic member 14 in this embodiment is preferably a compression spring. The elastic member 14 can make the handle 1 automatically spring up when not in use, reducing the collision between the bottom of the handle arm 15 and the surface of the tile to be cut.

[0056] like Fig. 9As shown, the bottom of the housing 2 is provided with an adjustment screw 12 that abuts against the bottom surface of the fourth body 52, so as to facilitate the adjustment of the gap between the lower bearing group 9 and the guide rail 3. An adsorption structure is provided between the presser foot 16 and the handle swing arm 15, and the adsorption structure includes a magnet 17 provided on the presser foot 16 and a metal screw 18 provided on the handle swing arm 15. The adsorption structure can facilitate the retraction of the presser foot 16, and the protrusion 24 on the housing 2 can hit the presser foot 16 during the rotation of the presser foot 16 with the handle swing arm 15, so as to render the adsorption structure ineffective, and facilitate the retraction of the presser foot 16.

[0057] like Fig.11 As shown, a gasket 13 is provided between the sliding assembly and the inner wall of the housing 2. In this embodiment, when the width of the guide rail 3 becomes smaller, the gasket 13 can be installed between the first sliding seat 4 and the inner wall of the housing 2, and the position of the rotation axis 11 of the first side sliding group 6 on the first sliding seat 4 is adjusted to reduce the relative distance between the first sliding seat 4 and the second sliding seat 5, so as to meet the needs of a smaller width of the guide rail. In this way, only one gasket can be used to meet the needs of guide rails of different widths, thereby improving versatility and assembly and adjustment efficiency, and reducing R&D costs and production costs.

[0058] like Fig.10 As shown, the gasket 13 is provided with a seventh groove 131 for cooperating with the first protrusion 21 for positioning.

[0059] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

Claims

1. A head structure of a manual tile cutting machine, characterized in that: At least, Guide rail (3); A casing (2), the casing (2) being slidably connected to the guide rail (3); A handle (1), one end of the handle (1) being rotatably connected to the housing (2); A sliding assembly, the sliding assembly being arranged in a housing (2), comprising a first sliding seat (4) and a second sliding seat (5), the first sliding seat (4) comprising a first main body (41) and a second main body (42) extending from a side of the first main body (41), the first main body (41) being rotatably connected to a first side sliding group (6) located on a side of a guide rail (3), the second main body (42) being rotatably connected to an upper sliding group (7) located above the guide rail (3), the second sliding seat (5) comprising a third main body (51) and a fourth main body (52) extending from a side of the third main body (51), the third main body (51) being rotatably connected to a second side sliding group (8) located on a side of the guide rail (3), and the fourth main body (52) being rotatably connected to a lower sliding group (9) located below the guide rail (3).

2. The head structure of the manual tile cutting machine according to claim 1 is characterized in that: The first side sliding group (6), the upper side sliding group (7), the second side sliding group (8) and the lower side sliding group (9) all comprise a rolling member (10) connected in a rolling manner to the surface of the guide rail (3) and a rotating shaft (11) connected in a rotatable manner to the rolling member (10).

3. The head structure of the manual tile cutting machine according to claim 2, characterized in that: The first body (41) is provided with a first groove (43), the rolling element (10) of the first side sliding group (6) comprises a first rolling element (101) and a second rolling element (102), the first rolling element (101) is rotatably connected to the first groove (43), the second rolling element (102) is rotatably connected to the end of the first body (41), the second body (42) is provided with a second groove (44), the rolling element (10) of the upper sliding group (7) is rotatably connected to the second groove (44), The third body (51) is provided with a third groove (53), the rolling element (10) of the second side sliding group (8) comprises a third rolling wheel (103) and a fourth rolling wheel (104), the third rolling wheel (103) is rotatably connected to the third groove (53), the fourth rolling wheel (104) is rotatably connected to the end of the third body (51), the fourth body (52) is provided with a fourth groove (54), and the rolling element (10) of the lower side sliding group (9) is rotatably connected to the fourth groove (54).

4. The head structure of the manual tile cutting machine according to claim 2 or 3, characterized in that: The first body (41) is further provided with a first waist-shaped hole (45), the rotating shaft (11) of the first side sliding group (6) is connected to the first waist-shaped hole (45), the length direction of the first waist-shaped hole (45) is perpendicular to the length direction of the guide rail (3), the first body (41) is provided with an adjustment screw (12) abutting against the rotating shaft (11), the third body (51) is provided with a second waist-shaped hole (55), the rotating shaft (11) of the second side sliding group (8) is connected to the second waist-shaped hole (55), the length direction of the second waist-shaped hole (55) is perpendicular to the length direction of the guide rail (3), the third body (51) is provided with an adjustment screw (12) abutting against the rotating shaft (11), and the housing (2) is provided with an adjustment hole (23) corresponding to the position of the adjustment screw (12).

5. The head structure of the manual tile cutting machine according to claim 4, characterized in that: The bottom of the housing (2) is provided with an adjustment screw (12) which abuts against the bottom surface of the fourth main body (52).

6. The head structure of the manual tile cutting machine according to claim 4, characterized in that: A fifth groove (46) is provided on a side of the first body (41) away from the second body (42), a sixth groove (56) is provided on a side of the third body (51) away from the fourth body (52), and a first protrusion (21) adapted to the fifth groove (46) and a second protrusion (22) adapted to the sixth groove (56) are provided on the housing (2).

7. The head structure of the manual tile cutting machine according to claim 4, characterized in that: A gasket (13) is provided between the sliding assembly and the inner wall of the housing (2), and a seventh groove (131) is provided on the gasket (13).

8. The head structure of the manual tile cutting machine according to claim 1, characterized in that: An elastic member (14) is provided between the handle (1) and the housing (2).

9. The head structure of the manual tile cutting machine according to claim 1, characterized in that: The handle (1) is also fixedly provided with a handle swing arm (15) at one end close to the housing (2), a presser foot (16) is rotatably connected to the lower part of the handle swing arm (15), and an adsorption structure is provided between the presser foot (16) and the handle swing arm (15).

10. The head structure of the manual tile cutting machine according to claim 9, characterized in that: The adsorption structure comprises a magnet (17) arranged on the presser foot (16) and a metal screw (18) arranged on the handle swing arm (15), and a protrusion (24) is arranged below the housing (2).

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