Tensioning mechanism for silk screen forming

Abstract

The utility model discloses a tensioning mechanism for silk screen forming, which relates to the technical field of silk screen forming and comprises two groups of moving frame plates arranged above a base and two groups of rotating columns, two ends of each rotating column are fixedly connected with a rotating rod and an auxiliary rod which penetrate through the moving frame plates respectively, and the outer ends of the two groups of rotating rods are fixedly connected with rotating handles. Chucks are fixedly connected to the outer ends of the two auxiliary rods, the rotating handles and the chucks are located at the two ends of the moving frame plates correspondingly, the two rotating columns are located on the inner sides of the two moving frame plates correspondingly, and a plurality of first inserting holes are formed in the tops of one sides of the two rotating columns at equal intervals in a penetrating mode. The silk screen tensioning device has the advantages that a plurality of transverse net wires or a plurality of longitudinal net wires on a silk screen can be tensioned at the same time, traditional tedious tensioning steps are replaced, silk screen tensioning efficiency is remarkably improved, silk screens of different specifications and sizes can be tensioned transversely or longitudinally, and the silk screen tensioning device has good applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of screen forming, in particular to a tensioning mechanism for screen forming. Background Art

[0002] The tensioning mechanism for screen forming is a device used to stretch and fix the screen, and is mainly used in the screen forming process in industries such as screen printing and filter manufacturing. This mechanism plays an important role in the screen industry, and its performance will directly affect the quality and production efficiency of screen products.

[0003] After searching, the patent number is CN204566885U, which discloses a screen printing mesh tensioning frame with adjustable mesh tension, good adaptability, long service life and convenient mesh replacement. However, when using the existing screen forming tensioning mechanism, it is usually necessary to tension several meshes one by one, which makes the screen forming time longer and greatly reduces the work efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a tensioning mechanism for screen forming. When the existing tensioning mechanism for screen forming is used, it is usually necessary to tension a plurality of meshes one by one in sequence, which makes the screen forming time longer and greatly reduces the working efficiency.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a tensioning mechanism for screen forming, comprising two groups of movable frame plates arranged above a base, and two groups of rotating columns, and the two ends of the rotating columns are respectively fixedly connected with a rotating rod and an auxiliary rod passing through the movable frame plates, the outer ends of the two groups of rotating rods are fixedly connected with a rotating handle, and the outer ends of the two groups of auxiliary rods are fixedly connected with a chuck.

[0006] As a further solution of the utility model: the rotating handle and the chuck are respectively located at two ends of the movable frame plate, and the two groups of rotating columns are respectively located on the inner sides of the two groups of movable frame plates.

[0007] As a further solution of the utility model: a plurality of first jacks are evenly spaced through the top of one side of the two groups of rotating columns, and a plurality of second jacks are evenly spaced through the bottom of one side of the two groups of rotating columns, and the plurality of first jacks are respectively located directly above the plurality of second jacks.

[0008] As a further solution of the utility model: the outer side surfaces of the two groups of chucks are penetrated by bolts near the edge positions, the two groups of chucks are penetrated by a plurality of through holes, and one end of the two groups of movable frame plates is penetrated by a clamping groove.

[0009] As a further solution of the utility model: a plurality of groups of through holes are distributed on the two groups of chucks at equal intervals, and the two groups of clamping bolts pass through the through holes and cooperate with the clamping grooves to be clamped with the two groups of movable frame plates.

[0010] As a further solution of the utility model: a driving motor is fixedly installed in the middle position of one side of the base, and the output end of the driving motor is fixedly connected with a through screw shaft, and the middle position of the lower surface of the two groups of movable frame plates are fixedly connected with movable plates, and the opposite surfaces of the two groups of movable plates are penetrated with threaded holes, and the lower surfaces of the two groups of movable frame plates are fixedly connected with limiting plates near both sides, and the inner sides of the four groups of limiting plates are fixedly connected with limiting rods.

[0011] As a further solution of the utility model: the outer side surface of the screw shaft is provided with symmetrical threaded sections, the two groups of movable plates are threadedly connected to the screw shaft through threaded holes respectively, an intermediate sliding groove is opened in the middle position of the upper surface of the base, and the lower ends of the two groups of movable plates are located on the inner side of the intermediate sliding groove, and the cross-sectional shape of the two groups of movable plates is L-shaped.

[0012] As a further solution of the utility model: corner grooves are provided at the outer corners of the base, and limiting grooves are provided on the inner sides of the four groups of corner grooves, the four groups of limiting plates are respectively matched with the four groups of corner grooves, and the four groups of limiting rods are respectively slidably connected to the base through the limiting grooves.

[0013] The utility model adopts the above technical scheme, and has the following advantages compared with the prior art: first, the two ends of the mesh on the wire mesh are respectively passed through the first and second holes on the two groups of rotating columns, and then the rotating handles at one end of the two groups of movable frame plates are respectively rotated to drive the two groups of rotating rods to rotate respectively, so as to drive the two groups of rotating columns to rotate relatively on the inner sides of the two groups of movable frame plates with the cooperation of the auxiliary rods, so as to tension a plurality of meshes, and the two groups of clamping bolts are respectively passed through the through holes on the chucks and matched with the clamping grooves to clamp with the two groups of movable frame plates to fix the relative position of the rotating columns and the movable frame plates, so as to simultaneously tension a plurality of transverse meshes or a plurality of longitudinal meshes on the wire mesh, thereby replacing the traditional cumbersome tensioning steps and significantly improving the wire mesh tensioning efficiency.

[0014] By starting the driving motor in the middle position of one side of the base to drive the screw shaft to rotate, the two sets of movable plates are driven to move relative to each other along the middle slide groove under the cooperation of the symmetrical threaded sections and the threaded holes, and then the two sets of movable frame plates are stably moved relative to each other through the limit rods on the four sets of limit plates and the four sets of limit grooves, which can perform horizontal or vertical tensioning on wire meshes of different specifications and sizes, and has good applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a structural schematic diagram of a tensioning mechanism for screen forming in an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure of the movable plate in the embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the rotating column in the embodiment of the utility model;

[0018] Figure 4 It is a top view of a tensioning mechanism for screen forming in an embodiment of the utility model.

[0019] In the figure: 1. base; 2. movable frame plate; 3. rotating column; 4. rotating rod; 5. auxiliary rod; 6. rotating handle; 7. chuck; 8. through hole; 9. latch; 10. slot; 11. first plug hole; 12. second plug hole; 13. driving motor; 14. screw shaft; 15. movable plate; 16. threaded hole; 17. limit plate; 18. limit rod. DETAILED DESCRIPTION

[0020] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] Example 1, please refer to Figure 1-Figure 4 A tensioning mechanism for screen forming includes two groups of movable frame plates 2 arranged above a base 1, and two groups of rotating columns 3, and the two ends of the rotating columns 3 are respectively fixedly connected with a rotating rod 4 and an auxiliary rod 5 that penetrate the movable frame plates 2, the outer ends of the two groups of rotating rods 4 are fixedly connected with a rotating handle 6, and the outer ends of the two groups of auxiliary rods 5 are fixedly connected with a chuck 7.

[0022] The rotating handle 6 and the chuck 7 are respectively located at two ends of the movable frame plate 2 , and the two groups of rotating columns 3 are respectively located on the inner sides of the two groups of movable frame plates 2 .

[0023] In this embodiment, the rotating rod 4 and the auxiliary rod 5 cooperate to allow the rotating column 3 to rotate inside the moving frame plate 2 .

[0024] A plurality of first jacks 11 are evenly spaced through the top of one side of the two groups of rotating columns 3 , and a plurality of second jacks 12 are evenly spaced through the bottom of one side of the two groups of rotating columns 3 , and the plurality of first jacks 11 are located directly above the plurality of second jacks 12 .

[0025] In this embodiment, the wire mesh is connected to the rotating column 3 through the cooperation of the first plug hole 11 and the second plug hole 12 .

[0026] The outer sides of the two groups of chucks 7 are penetrated by bolts 9 near the edge positions, and the two groups of chucks 7 are penetrated by a plurality of through holes 8, and one end of the two groups of movable frame plates 2 is penetrated by a slot 10, and the plurality of through holes 8 are evenly spaced on the two groups of chucks 7, and the two groups of bolts 9 pass through the through holes 8 and cooperate with the slots 10 to be clamped with the two groups of movable frame plates 2.

[0027] In this embodiment, the clamping bolt 9 and the clamping groove 10 cooperate to allow the clamping disc 7 to be clamped with the rotating frame plate 2 .

[0028] Specifically, first, the two ends of the mesh on the wire mesh are respectively passed through the first socket 11 and the second socket 12 on the two groups of rotating columns 3, and then the rotating handles 6 at one end of the two groups of movable frame plates 2 are respectively rotated to drive the two groups of rotating rods 4 to rotate respectively, so as to drive the two groups of rotating columns 3 to rotate relative to each other on the inner sides of the two groups of movable frame plates 2 with the cooperation of the auxiliary rods 5, so as to tension a number of meshes, and the two groups of clamping bolts 9 are respectively passed through the through holes 8 on the chuck 7 and matched with the clamping grooves 10 to be clamped with the two groups of movable frame plates 2 to fix the relative position of the rotating columns 3 and the movable frame plates 2, so as to simultaneously tension a number of transverse meshes or a number of longitudinal meshes on the wire mesh, thereby replacing the traditional cumbersome tensioning steps and significantly improving the wire mesh tensioning efficiency.

[0029] Example 2, please refer to Figure 1-Figure 4 A tensioning mechanism for screen forming, a driving motor 13 is fixedly installed in the middle position of one side of the base 1, and the output end of the driving motor 13 is fixedly connected with a through screw shaft 14, and the middle position of the lower surface of the two groups of movable frame plates 2 is fixedly connected with a movable plate 15, and the opposite surfaces of the two groups of movable plates 15 are penetrated with threaded holes 16, and the lower surfaces of the two groups of movable frame plates 2 are fixedly connected with limit plates 17 near both sides, and the inner sides of the four groups of limit plates 17 are fixedly connected with limit rods 18.

[0030] The outer side surface of the screw shaft 14 is provided with symmetrical threaded sections, and the two sets of movable plates 15 are threadedly connected to the screw shaft 14 through threaded holes 16 respectively. An intermediate slide groove is opened in the middle position of the upper surface of the base 1, and the lower ends of the two sets of movable plates 15 are located on the inner side of the intermediate slide groove. The cross-sectional shape of the two sets of movable plates 15 is L-shaped.

[0031] In this embodiment, the screw shaft 14 is threadedly connected to the moving plate 15 to facilitate the relative movement of the two groups of moving plates 15 .

[0032] Corner grooves are provided at the outer corners of the base 1, and the inner sides of the four sets of corner grooves are provided with limiting grooves. The four sets of limiting plates 17 are respectively matched with the four sets of corner grooves, and the four sets of limiting rods 18 are respectively slidably connected to the base 1 through the limiting grooves.

[0033] In this embodiment, the limiting rods 18 on the four groups of limiting plates 17 cooperate with the four groups of limiting grooves to ensure stable movement of the two groups of movable frame plates 2 .

[0034] Specifically, by starting the driving motor 13 at the middle position of one side of the base 1 to drive the screw shaft 14 to rotate, the two groups of movable plates 15 are driven to move relative to each other along the middle slide groove with the cooperation of the symmetrical threaded segments and the threaded holes 16, and then the limiting rods 18 on the four groups of limiting plates 17 cooperate with the four groups of limiting grooves to enable the two groups of movable frame plates 2 to move relative to each other stably, so that wire meshes of different specifications and sizes can be tensioned horizontally or vertically, and the system has good applicability.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A tensioning mechanism for screen forming, comprising two sets of movable frame plates (2) arranged above a base (1), characterized in that: It also comprises two groups of rotating columns (3), and the two ends of the rotating columns (3) are respectively fixedly connected with a rotating rod (4) and an auxiliary rod (5) penetrating the movable frame plate (2), the outer ends of the two groups of rotating rods (4) are fixedly connected with a rotating handle (6), and the outer ends of the two groups of auxiliary rods (5) are fixedly connected with a chuck (7).

2. A tensioning mechanism for screen forming according to claim 1, characterized in that: The rotating handle (6) and the chuck (7) are respectively located at two ends of the movable frame plate (2), and the two groups of rotating columns (3) are respectively located on the inner sides of the two groups of movable frame plates (2).

3. A tensioning mechanism for screen forming according to claim 2, characterized in that: A plurality of first plug holes (11) are evenly spaced through the top of one side of the two groups of rotating columns (3), and a plurality of second plug holes (12) are evenly spaced through the bottom of one side of the two groups of rotating columns (3), and the plurality of first plug holes (11) are respectively located directly above the plurality of second plug holes (12).

4. A tensioning mechanism for screen forming according to claim 1, characterized in that: The outer side surfaces of the two groups of chucks (7) are penetrated by a clamping bolt (9) near the edge, the two groups of chucks (7) are penetrated by a plurality of through holes (8), and one end of the two groups of movable frame plates (2) is penetrated by a clamping groove (10).

5. A tensioning mechanism for screen forming according to claim 4, characterized in that: A plurality of groups of through holes (8) are distributed at equal intervals on the two groups of chucks (7), and the two groups of clamping bolts (9) pass through the through holes (8) and cooperate with the clamping grooves (10) to be clamped with the two groups of movable frame plates (2).

6. A tensioning mechanism for screen forming according to claim 1, characterized in that: A driving motor (13) is fixedly mounted in the middle position of one side of the base (1); the output end of the driving motor (13) is fixedly connected to a through-threaded screw shaft (14); moving plates (15) are fixedly connected to the middle positions of the lower surfaces of the two groups of moving frame plates (2); threaded holes (16) are penetrated through the opposite surfaces of the two groups of moving plates (15); limiting plates (17) are fixedly connected to the lower surfaces of the two groups of moving frame plates (2) near both sides; and limiting rods (18) are fixedly connected to the inner side surfaces of the four groups of limiting plates (17).

7. A tensioning mechanism for screen forming according to claim 6, characterized in that: The outer side surface of the screw shaft (14) is provided with symmetrical threaded sections, and the two groups of movable plates (15) are respectively threadedly connected to the screw shaft (14) through threaded holes (16), and a middle slide groove is provided in the middle position of the upper surface of the base (1), and the lower ends of the two groups of movable plates (15) are located on the inner side of the middle slide groove, and the cross-sectional shape of the two groups of movable plates (15) is L-shaped.

8. A tensioning mechanism for screen forming according to claim 7, characterized in that: Corner grooves are provided at the outer corner positions of the base (1), and the inner sides of the four groups of corner grooves are provided with limiting grooves. The four groups of limiting plates (17) are respectively matched with the four groups of corner grooves, and the four groups of limiting rods (18) are respectively slidably connected to the base (1) through the limiting grooves.

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