Screen distance fine adjustment mechanism of screen printing machine

Abstract

The utility model discloses a screen printing machine screen distance fine adjustment mechanism which comprises a support, a movable screen frame arm and an adjusting assembly, the adjusting assembly comprises an adjusting screw rod and a connecting piece, one end of the connecting piece is connected with one end of the adjusting screw rod in an inserted mode, and the other end of the connecting piece is connected with the movable screen frame arm. The other end of the adjusting screw rod is rotationally connected with the support, the adjusting screw rod is rotated to abut against the connecting piece to ascend and descend, when the movable screen frame arm needs to be adjusted downwards, the adjusting screw rod is rotated, the adjusting screw rod abuts against the connecting piece and the movable screen frame arm to move downwards, and the movable screen frame arm is adjusted to the needed height. When the movable screen frame arm needs to be adjusted upwards, the adjusting screw rod is rotated, the adjusting screw rod drives the connecting piece and the movable screen frame arm to move upwards, so that the movable screen frame arm is adjusted to the required height, and the operation of adjusting the movable screen frame arm through the adjusting screw rod is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing, in particular to a screen spacing fine-tuning mechanism for a screen printer. Background Art

[0002] A screen printer is a machine that uses a screen printing plate to print. It is a type of printing machine. It can produce patterns and texts in a variety of colors and can achieve high-precision printing on a variety of materials. The printing effect is clear and suitable for mass production. Therefore, it has been widely used in various industries. However, it is time-consuming and labor-intensive to align the screen pattern of the screen printer with the product for screen printing, and there are often registration errors, which results in the screen pattern and the screen-printed product not being able to accurately match, resulting in screen printing errors.

[0003] The screen frame arm of the existing screen printing machine is adjusted by setting a fine-tuning handle. The fine-tuning handle needs to apply the same force to the rods on both sides to ensure that the adjusted screen frame arm is in a balanced state. However, it is not convenient to grasp the accuracy of the force during the adjustment process, which leads to incoordination between the rods on both sides of the fine-tuning handle, and the screen frame arm cannot be in a balanced state, which is not convenient for screen printing.

[0004] Therefore, how to accurately adjust the screen frame arm to keep it in a balanced state has become a focus of attention for those skilled in the art and related personnel. Utility Model Content

[0005] In view of this, the utility model provides a screen spacing fine-tuning mechanism for a screen printing machine, which is used to solve the problem in the prior art that it is inconvenient to accurately adjust the screen frame arm, resulting in the adjusted screen frame arm being in an unbalanced state.

[0006] In order to achieve one or part or all of the above purposes or other purposes, the utility model proposes a screen spacing fine-tuning mechanism for a screen printing machine, including a bracket, a movable screen frame arm and an adjustment component, the adjustment component including an adjustment screw and a connecting piece, one end of the connecting piece is plugged into one end of the adjusting screw, the other end of the connecting piece is connected to the movable screen frame arm, the other end of the adjusting screw is rotatably connected to the bracket, and the adjusting screw is rotated to push the connecting piece up and down.

[0007] Preferably, the adjusting screw comprises an adjusting screw, a screw body and a nut, one end of the screw body passes through the bracket and is connected to the adjusting screw, the nut is connected to the other end of the screw body to fasten the screw body and the bracket, and the screw body is rotatably connected to the bracket.

[0008] Preferably, the screw body is provided with an external thread, the bracket is provided with a threaded hole, and the threaded hole is threadedly connected to the external thread.

[0009] Preferably, the adjusting screw also includes a limit block, which is connected to the bracket, and a mounting hole is provided on the limit block. The adjusting screw passes through the mounting hole and is connected to the screw body. The inner peripheral wall of the mounting hole protrudes inward to form a mounting step, and the mounting step is used to resist the head of the adjusting screw.

[0010] Preferably, the connecting member includes a connecting bolt and an insert block, a first through hole is opened at one end of the connecting bolt, the insert block is inserted into the first through hole, and both ends of the insert block are connected to the movable net frame arm, and an insert hole is opened on the screw body, and the other end of the connecting bolt is inserted into the insert hole.

[0011] Preferably, the movable screen frame arm comprises a screen clamp having a clamping groove and a connecting block, the clamping groove is used to clamp the screen, the clamping groove has a first side wall, the connecting block is connected to the first side wall, and the insert block is connected to the connecting block.

[0012] Preferably, a mounting groove is provided on the connecting block, the lower end of the connecting bolt is inserted into the mounting groove, mounting through holes are provided on opposite side walls of the mounting groove, and both ends of the insert block are respectively inserted into the corresponding mounting through holes.

[0013] Preferably, the movable screen frame arm further comprises a first adjusting bolt, the clamping slot has a top wall, a second through hole is formed on the top wall, the first adjusting bolt is rotatably disposed in the second through hole, and one end of the first adjusting bolt extends into the clamping slot.

[0014] Preferably, the movable screen frame arm further comprises a second adjusting member, a third through hole is provided on the top wall, the second adjusting member is rotatably disposed in the third through hole, and one end of the second adjusting member extends into the clamping groove.

[0015] Preferably, the second adjusting member includes a cylinder and a second clamping member, the cylinder is connected to the top wall, the driving end of the cylinder extends into the third through hole and is connected to the second clamping member, and the cylinder is used to drive the second clamping member to rise and fall.

[0016] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0017] After adopting the above-mentioned screen printing machine screen spacing fine-tuning mechanism, when it is necessary to adjust the movable screen frame arm downward, the adjusting screw is rotated, and the adjusting screw pushes the connecting piece and the movable screen frame arm to move downward, so that the movable screen frame arm is adjusted to the required height. When it is necessary to adjust the movable screen frame arm upward, the adjusting screw is rotated, and the adjusting screw drives the connecting piece and the movable screen frame arm to move upward, so that the movable screen frame arm is adjusted to the required height. The operation of adjusting the movable screen frame arm by adjusting the screw is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] in:

[0020] Figure 1 A schematic diagram of the overall structure of a screen printing machine screen pitch fine-adjusting mechanism in one embodiment;

[0021] Figure 2 A schematic diagram of the installation structure of a bracket and an adjustment component of a screen-pitch fine-adjusting mechanism of a screen printer in one embodiment;

[0022] Figure 3 A schematic diagram of a partially exploded structure of a screen printing machine screen pitch fine-tuning mechanism in one embodiment;

[0023] Figure 4 A schematic diagram of the structure of a movable screen frame arm of a screen pitch fine-adjusting mechanism of a screen printing machine in one embodiment;

[0024] Figure 5 It is a partial structural schematic diagram of a movable screen frame arm of a screen pitch fine-adjusting mechanism of a screen printing machine in one embodiment.

[0025] Explanation of the reference numerals: 1. bracket; 11. first mounting bracket; 12. second mounting bracket; 121. threaded hole; 2. movable net frame arm; 21. net clamp; 211. clamping groove; 212. first side wall; 213. top wall; 214. bottom wall; 215. second through hole; 216. third through hole; 22. connecting block; 221. mounting groove; 222. mounting through hole; 23. first adjusting bolt; 24. second adjusting member; 241. cylinder; 242. second clamping member; 25. knob; 26. first clamping member; 3. adjusting assembly; 31. adjusting screw; 311. adjusting screw; 312. screw body; 313. nut; 314. socket; 32. connecting member; 321. connecting bolt; 322. plug block; 323. first through hole; 33. limit block; 331. mounting hole; 332. mounting step. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in 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.

[0027] Reference Figures 1 to 5 An embodiment of the utility model proposes a screen spacing fine-tuning mechanism for a screen printing machine, comprising a bracket 1, a movable screen frame arm 2 and an adjusting component 3, one end of the adjusting component 3 is rotatably connected to the bracket 1, and the other end of the adjusting component 3 is connected to the movable screen frame arm 2, and the adjusting component 3 is used to adjust the height of the movable screen frame arm 2. In the embodiment of the present application, the number of the adjusting components 3 is two groups.

[0028] Reference Figure 2 The bracket 1 includes a first mounting frame 11 and a second mounting frame 12. The second mounting frame 12 is connected to the first mounting frame 11. The first mounting frame 11 and the second mounting frame 12 are vertically arranged. The first mounting frame 11 is used to connect to the moving mechanism of the screen printing machine, and the second mounting frame 12 is rotatably connected to the adjustment component 3.

[0029] Reference Figure 2 and Figure 3 The adjusting assembly 3 includes an adjusting screw 31 and a connecting piece 32. The upper end of the connecting piece 32 is plugged into the lower end of the adjusting screw 31. The lower end of the connecting piece 32 is fixedly connected to the movable screen frame arm 2. The upper end of the adjusting screw 31 is rotatably connected to the second mounting frame 12.

[0030] Reference Figure 3 The adjusting screw 31 includes an adjusting screw 311, a screw body 312 and a nut 313. One end of the screw body 312 passes through the second mounting frame 12 and is connected to the adjusting screw 311. The nut 313 is connected to the other end of the screw body 312. The screw body 312 and the second mounting frame 12 are fastened by the nut 313 to prevent the adjusting screw 31 from loosening when the screen printing machine is running. The screw body 312 is rotatably connected to the second mounting frame 12.

[0031] Reference Figure 3The adjusting screw 31 also includes a limit block 33, which is fixedly connected to the second mounting bracket 12. A mounting hole 331 is provided on the limit block 33, and the adjusting screw 311 passes through the mounting hole 331 and is connected to the screw body 312. The inner peripheral wall of the mounting hole 331 protrudes inward to form a mounting step 332, and the mounting step 332 is used to resist the head of the adjusting screw 311. An external thread is provided on the screw body 312, and a threaded hole 121 is provided on the second mounting bracket 12. The external thread is threadedly connected to the threaded hole 121. When it is necessary When the movable net frame arm 2 is to be adjusted downward, the adjusting screw 311 is turned, and the screw body 312 moves downward, so that the connecting piece 32 pushes the movable net frame arm 2 to move downward. After the movable net frame arm 2 is adjusted to the desired height, the nut 313 is tightened. When the movable net frame arm 2 needs to be adjusted upward, the nut 313 is loosened downward, the adjusting screw 311 is turned, and the screw body 312 moves upward, so that the connecting piece 32 pushes the movable net frame arm 2 to move upward. After the movable net frame arm 2 is adjusted to the desired height, the nut 313 is tightened.

[0032] Reference Figure 3 The connecting member 32 includes a connecting bolt 321 and an insert block 322. A first through hole 323 is provided at the lower end of the connecting bolt 321. The insert block 322 is inserted into the first through hole 323, and both ends of the insert block 322 are connected to the movable net frame arm 2. A plug hole 314 is provided on the screw body 312. The other end of the connecting bolt 321 is inserted into the plug hole 314, thereby realizing the plug-in connection between the adjusting screw 31 and the connecting bolt 321.

[0033] Reference Figure 4 and Figure 5 The movable screen frame arm 2 includes a screen clamp 21 and a connecting block 22. The screen clamp 21 is provided with a clamping groove 211, and the clamping groove 211 is used to clamp the screen. The clamping groove 211 has a first side wall 212. The connecting block 22 is connected to the first side wall 212, and the insert block 322 is connected to the connecting block 22.

[0034] Reference Figure 4 and Figure 5 A mounting groove 221 is provided on the connecting block 22, and the lower end of the connecting bolt 321 is inserted into the mounting groove 221. Mounting through holes 222 are provided on the opposite side walls of the mounting groove 221, and the two ends of the insert block 322 are respectively inserted into the corresponding mounting through holes 222, thereby achieving the fixation between the connecting piece 32 and the connecting block 22.

[0035] Reference Figure 4 and Figure 5The movable net frame arm 2 also includes a first adjusting bolt 23 and a second adjusting member 24. The clamping groove 211 has a top wall 213 and a bottom wall 214. The top wall 213 and the bottom wall 214 are both connected to the first side wall 212, and the top wall 213 and the bottom wall 214 are arranged opposite to each other one above and one below. The top wall 213 is provided with a second through hole 215 and a third through hole 216. The first adjusting bolt 23 is rotatably arranged in the second through hole 215. One end of the first adjusting bolt 23 passes through the second through hole 215 and extends into the clamping groove 211. A knob 25 is provided at one end of the first adjusting bolt 23, and a first clamping member 26 is provided at the other end. The distance between the first clamping member 26 and the bottom wall 214 is adjusted by rotating the knob 25. The second adjusting member 24 is rotatably arranged in the third through hole 216, and passes through the third through hole 216 and extends into the clamping groove 211. In the embodiment of the present application, the number of the first adjusting bolt 23 and the second adjusting member 24 are both two groups.

[0036] Reference Figure 4 and Figure 5 The second adjusting member 24 includes a cylinder 241 and a second clamping member 242. The cylinder 241 is connected to the top wall 213. The driving end of the cylinder 241 extends into the third through hole 216 and is connected to the second clamping member 242. The cylinder 241 is used to drive the second clamping member 242 to rise and fall, thereby controlling the second clamping member 242 to clamp the screen.

[0037] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A screen printing machine screen pitch fine-tuning mechanism, characterized in that: The invention comprises a support (1), a movable net frame arm (2) and an adjusting component (3), wherein the adjusting component (3) comprises an adjusting screw (31) and a connecting piece (32), wherein one end of the connecting piece (32) is plugged into one end of the adjusting screw (31), the other end of the connecting piece (32) is connected to the movable net frame arm (2), and the other end of the adjusting screw (31) is rotatably connected to the support (1), and the adjusting screw (31) is rotated to push the connecting piece (32) up and down.

2. A screen printing machine screen pitch fine-tuning mechanism as claimed in claim 1, characterized in that: The adjusting screw (31) comprises an adjusting screw (311), a screw body (312) and a nut (313); one end of the screw body (312) passes through the bracket (1) and is connected to the adjusting screw (311); the nut (313) is connected to the other end of the screw body (312) to fasten the screw body (312) and the bracket (1); the screw body (312) and the bracket (1) are rotatably connected.

3. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 2, characterized in that: The screw rod body (312) is provided with an external thread, the bracket (1) is provided with a threaded hole (121), and the threaded hole (121) is threadedly connected to the external thread.

4. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 3, characterized in that: The adjusting screw (31) further comprises a limit block (33), the limit block (33) being connected to the bracket (1), a mounting hole (331) being provided on the limit block (33), the adjusting screw (311) passing through the mounting hole (331) being connected to the screw body (312), the inner peripheral wall of the mounting hole (331) protruding inwardly to form a mounting step (332), and the mounting step (332) being used to resist the head of the adjusting screw (311).

5. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 2, characterized in that: The connecting member (32) comprises a connecting bolt (321) and an insert block (322); a first through hole (323) is provided at one end of the connecting bolt (321); the insert block (322) is inserted into the first through hole (323); and both ends of the insert block (322) are connected to the movable net frame arm (2); a plug hole (314) is provided on the screw body (312); the other end of the connecting bolt (321) is inserted into the plug hole (314).

6. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 5, characterized in that: The movable screen frame arm (2) comprises a screen clamp (21) having a clamping groove (211) and a connecting block (22), wherein the clamping groove (211) is used to clamp the screen, the clamping groove (211) has a first side wall (212), the connecting block (22) is connected to the first side wall (212), and the inserting block (322) is connected to the connecting block (22).

7. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 6, characterized in that: The connecting block (22) is provided with a mounting groove (221), the lower end of the connecting bolt (321) is inserted into the mounting groove (221), the opposite side walls of the mounting groove (221) are provided with mounting through holes (222), and the two ends of the insert block (322) are respectively inserted into the corresponding mounting through holes (222).

8. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 6, characterized in that: The movable net frame arm (2) also includes a first adjusting bolt (23), the clamping groove (211) has a top wall (213), a second through hole (215) is opened on the top wall (213), the first adjusting bolt (23) is rotatably arranged in the second through hole (215), and one end of the first adjusting bolt (23) extends into the clamping groove (211).

9. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 8, characterized in that: The movable screen frame arm (2) further comprises a second adjusting member (24), a third through hole (216) is provided on the top wall (213), the second adjusting member (24) is rotatably disposed in the third through hole (216), and one end of the second adjusting member (24) extends into the clamping groove (211).

10. A screen printing machine screen pitch fine-adjusting mechanism as claimed in claim 9, characterized in that: The second adjusting member (24) comprises a cylinder (241) and a second clamping member (242); the cylinder (241) is connected to the top wall (213); a driving end of the cylinder (241) extends into the third through hole (216) and is connected to the second clamping member (242); the cylinder (241) is used to drive the second clamping member (242) to rise and fall.

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