Integrated adjustment mechanism for forming roller

Abstract

The invention discloses an integrated adjustment mechanism for a forming roller, which relates to the technical field of forming rollers for color printing machines, including a front frame and a rear frame, and also including an intermediate ink transfer roller that runs through the front frame and the rear frame, wherein a left swing arm assembly for installing a left forming roller and a right swing arm assembly for installing a right forming roller are movably sleeved on the intermediate ink transfer roller, and a composite adjustment assembly for adjusting the opening and closing angles and parallelism of the left and right forming rollers is arranged between the front frame and the rear frame, and the composite adjustment assembly includes a wedge block adjustment rod assembly, a left adjustment screw assembly, and a right adjustment screw assembly; the rotating handles of the left adjustment screw assembly and the right adjustment screw assembly of the invention have two states of disengagement and engagement with the adjustable tapered sleeve, realizing two adjustment modes of separate and synchronous adjustment of the front adjustable tapered sleeve and the rear tapered block. The two modes are used to realize the quick adjustment of the parallelism and pressure of the forming rollers of the color printing machine.

Description

Technical Field

[0001] The invention relates to the technical field of forming rollers for color printing machines, and more specifically to the technical field of an integrated adjusting mechanism for forming rollers. Background Art

[0002] The color printer (Decorator) is one of the main equipment for can production. It is used to transfer the pattern on the printing plate to the two-piece cans through the ink transfer roller, forming roller, etc. The quality of the can printing will directly affect the sales of the product and the market choice of consumers. For this reason, the can factory has always paid great attention to the printing quality of the two-piece cans and strictly controlled it.

[0003] The forming roller adjustment mechanism is an important component of the color printing machine. The quality of the forming roller adjustment mechanism directly affects the printing quality. Some existing forming roller adjustment mechanisms use two conical blocks and a wedge-shaped shaft for adjustment. During online production, the positions of the two conical blocks need to be adjusted online to achieve the parallelism requirements. At the same time, the printing pressure of the forming roller needs to be controlled. However, it is difficult to adjust the parallelism and printing pressure during online production, which will affect the printing quality.

[0004] How to solve the above technical problems has become the direction of efforts of those skilled in the art. Summary of the invention

[0005] The purpose of the present invention is to solve the technical problem that the parallelism and printing pressure of the existing color printing machine forming roller adjustment mechanism are not easy to adjust. The present invention provides an integrated adjustment mechanism for the forming roller, which can adjust the parallelism and printing pressure of the forming roller of the color printing machine, and has an integrated structure, making the structure more convenient and easy to use.

[0006] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0007] An integrated adjustment mechanism for a forming roller comprises a front frame and a rear frame, and also comprises an intermediate ink transfer roller penetrating the front frame and the rear frame, a left swing arm assembly for mounting a left forming roller and a right swing arm assembly for mounting a right forming roller being movably sleeved on the intermediate ink transfer roller, and a composite adjustment assembly for adjusting the opening and closing angles and parallelism of the left and right forming rollers is arranged between the front frame and the rear frame.

[0008] Furthermore, the composite adjustment assembly includes a wedge block adjustment rod assembly fixed between the front frame and the rear frame, a left adjustment screw assembly arranged between the front frame and the rear frame and cooperating with the wedge block adjustment rod assembly to adjust the swing angle and parallelism of the left swing arm assembly, and a right adjustment screw assembly arranged between the front frame and the rear frame and cooperating with the wedge block adjustment rod assembly to adjust the swing angle and parallelism of the right swing arm assembly.

[0009] Furthermore, the wedge block adjustment rod assembly includes an adjustment rod detachably arranged between the front frame and the rear frame, and a front wedge block and a rear wedge block arranged on the front and rear sides of the screw rod.

[0010] Furthermore, the left adjusting screw assembly and the right adjusting screw assembly have the same structure and are symmetrically arranged on both sides of the wedge block adjusting rod assembly.

[0011] The left adjusting screw assembly comprises a left adjusting screw shaft which passes through the front frame and the rear frame, a left rotating handle, a compression spring, a left adjustable tapered sleeve which can cooperate with the front wedge block, a left rear tapered block which can cooperate with the rear wedge block, and an end fixing screw;

[0012] The left rear conical block is fixedly sleeved on the rear end of the left adjusting screw shaft through a rear pin, and the left rotating handle is adjustable on the front end of the left adjusting screw shaft through a front pin. The left adjustable conical sleeve and the left adjusting screw shaft are sleeved on the left adjusting screw shaft through a thread pair. The left rotating handle and the left adjustable conical sleeve cooperate with each other through a detachable plug-in manner, and the end fixing screw is arranged on the left side of the left rotating handle and cooperates with the left end of the left adjusting screw shaft inside the left rotating handle.

[0013] Furthermore, the compression spring is sleeved on the left adjusting screw shaft inside the left rotating handle, one end of the compression spring is connected to the left adjusting screw shaft, and the other end is connected to the left rotating handle.

[0014] Furthermore, the left swivel arm assembly includes a left front swivel arm and a left rear swivel arm movably mounted on the intermediate ink transfer roller. The left front swivel arm and the left rear swivel arm have the same structure and are symmetrically arranged. The intermediate ink transfer roller passes through the middle of the left front swivel arm and the left rear swivel arm. The left forming roller is installed at the lower end between the left front swivel arm and the left rear swivel arm. The left and right ends of the left adjusting screw assembly respectively pass through the upper end of the left front swivel arm and the upper end of the left rear swivel arm through a threaded pair. A locking screw is also provided on the left front swivel arm to prevent the left adjustable conical sleeve from rotating when the left rotating handle is disengaged from the left adjustable conical sleeve.

[0015] Furthermore, the right swing arm assembly includes a right front swing arm and a right rear swing arm movably mounted on the intermediate ink transfer roller, the right front swing arm and the right rear swing arm have the same structure and are symmetrically arranged, the intermediate ink transfer roller passes through the middle of the right front swing arm and the right rear swing arm, the right forming roller is installed at the lower end between the right front swing arm and the right rear swing arm, and the left and right ends of the right adjusting screw assembly respectively pass through the upper end of the right front swing arm and the upper end of the right rear swing arm through a threaded pair.

[0016] The beneficial effects of the present invention are as follows:

[0017] The invention has a reasonable design, wherein the left adjusting screw assembly and the right adjusting screw assembly have the same structure and are symmetrically arranged on both sides of the wedge block adjusting rod assembly, and the rotating handles of the left adjusting screw assembly and the right adjusting screw assembly and the adjustable tapered sleeve have two states of engagement and disengagement, realizing two adjustment modes of independent and synchronous adjustment of the front adjustable tapered sleeve and the rear tapered block. The parallelism and pressure of the forming roller of the color printing machine can be quickly adjusted by the two modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 yes Figure 1 A partial cross-sectional top view of

[0020] Figure 3 It is a schematic diagram of the pressure adjustment state of the left adjusting screw rod assembly;

[0021] Figure 4 It is a schematic diagram of the parallelism adjustment state of the left adjusting screw rod assembly;

[0022] Figure 5 yes Figure 1 Schematic diagram of the local structure;

[0023] Figure 6 yes Figure 5 A cross-sectional view of

[0024] Figure markings: 1. left rotating handle; 2. front latch; 3. compression spring; 4. left adjustable tapered sleeve; 5. left adjusting screw shaft; 6. rear latch; 7. left rear tapered block; 8. start-stop wedge block; 9. limit ring; 10. right rear swivel arm; 11. left rear swivel arm; 12. front frame; 13. rear frame; 14. left front swivel arm; 15. right front swivel arm; 16. left forming roller; 17. right forming roller; 18. right adjusting screw shaft; 19. right adjustable tapered sleeve; 20. right rear tapered block; 21. right rotating handle; 22. end fixing screw, 23-locking screw, 24-middle ink transfer roller, 25-tension spring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] Example 1

[0030] like Figures 1 to 2 As shown, this embodiment provides an integrated adjustment mechanism for a forming roller, including a front frame 12 and a rear frame 13, and also includes an intermediate ink transfer roller 24 that passes through the front frame 12 and the rear frame 13, and a left swing arm assembly for installing a left forming roller 16 and a right swing arm assembly for installing a right forming roller 17 are movably mounted on the intermediate ink transfer roller 24, and a composite adjustment assembly for adjusting the opening and closing angles and parallelism of the left forming roller 16 and the right forming roller 17 is arranged between the front frame 12 and the rear frame 13.

[0031] The composite adjustment assembly includes a wedge block adjustment rod assembly 8 fixed between the front frame 12 and the rear frame 13, a left adjustment screw assembly arranged between the front frame 12 and the rear frame 13 and cooperating with the wedge block adjustment rod assembly 8 to adjust the swing angle and parallelism of the left swing arm assembly, and a right adjustment screw assembly arranged between the front frame 12 and the rear frame 13 and cooperating with the wedge block adjustment rod assembly 8 to adjust the swing angle and parallelism of the right swing arm assembly.

[0032] In this embodiment, adjusting the opening and closing angle of the left forming roller 16 and the right forming roller 17 is to adjust the printing pressure of the opening and closing angle of the left forming roller 16 and the right forming roller 17 .

[0033] The rotating handle of the adjusting screw assembly and the right adjusting screw assembly and the adjustable tapered sleeve have two states of engagement and disengagement, realizing two adjustment modes of the front adjustable tapered sleeve and the rear tapered block, namely, independent adjustment and synchronous adjustment. The parallelism and pressure of the forming roller of the color printing machine can be quickly adjusted in two ways.

[0034] Example 2

[0035] like Figure 1-4 As shown, this embodiment is further optimized on the basis of embodiment 1, specifically:

[0036] The wedge block adjustment rod assembly 8 includes an adjustment rod detachably arranged between the front frame 12 and the rear frame 13 and a front wedge block and a rear wedge block arranged at the front and rear sides of the screw rod.

[0037] The left adjusting screw assembly includes a left adjusting screw shaft 5 that passes through the front frame 12 and the rear frame 13, a left rotating handle 1, a compression spring 3, a left adjustable tapered sleeve 4 that can cooperate with the front wedge block, a left rear tapered block 7 that can cooperate with the rear wedge block, and an end fixing screw 22;

[0038] The left rear conical block 7 is fixedly sleeved on the rear end of the left adjusting screw shaft 5 through the rear latch 6, the left rotating handle 1 is sleeved on the front end of the left adjusting screw shaft 5 in an adjustable position through the front latch 2, the left adjustable conical sleeve 4 and the left adjusting screw shaft 5 are sleeved on the left adjusting screw shaft 5 through a thread pair, the left rotating handle 1 and the left adjustable conical sleeve 4 are matched in a detachable plug-in manner, and the end fixing screw 22 is arranged on the left side of the left rotating handle 1 and is matched with the left end of the left adjusting screw shaft 5 inside the left rotating handle 1;

[0039] The compression spring 3 is sleeved on the left adjusting screw shaft 5 inside the left rotating handle 1 , one end of the compression spring 3 is connected to the left adjusting screw shaft 5 , and the other end is connected to the left rotating handle 1 .

[0040] The left swing arm assembly includes a left front swing arm 14 and a left rear swing arm 11 movably mounted on an intermediate ink transfer roller 24. The left front swing arm 14 and the left rear swing arm 11 have the same structure and are symmetrically arranged. The intermediate ink transfer roller 24 passes through the middle of the left front swing arm 14 and the left rear swing arm 11. The left forming roller 16 is installed at the lower end between the left front swing arm 14 and the left rear swing arm 11. The left and right ends of the left adjusting screw assembly respectively pass through the upper end of the left front swing arm 14 and the upper end of the left rear swing arm 11 through a threaded pair.

[0041] The left front swing arm 14 is also provided with a locking screw 23 for preventing the left adjustable conical sleeve 4 from rotating when the left rotating handle 1 is separated from the left adjustable conical sleeve 4 .

[0042] Specific process of pressure adjustment of the left forming roller 16:

[0043] See attached Figure 3 , the set screw 23 is loosened, the left adjusting screw shaft 5 has a long hole at the position where it cooperates with the front pin 2, and when the end fixing screw 22 in front of the left rotating handle 1 is in a tightened state, the left rotating handle 1 is plugged into the left adjustable tapered sleeve 4. At this time, the entire left adjusting screw assembly is an integral mechanism A (left adjusting screw shaft 5, left rotating handle 1, compression spring 3, left adjustable tapered sleeve 4, left rear tapered block 7 and end fixing screw 22). Rotating the left rotating handle 1 drives the entire mechanism A to move forward and backward along the guide nut assembly. The forward and backward movement process The overall mechanism A in the middle will rotate, and the left adjustable conical sleeve 4 and the left rear conical block 7 will move left and right and rotate at the same time. The left adjustable conical sleeve 4 and the left rear conical block 7 will contact the front wedge block and the rear wedge block of the wedge block adjusting rod assembly 8 respectively. Since the wedge block adjusting rod assembly 8 is fixed, the contact surface between the left adjustable conical sleeve 4 and the left rear conical block 7 and the front wedge block and the rear wedge block will change accordingly, thereby driving the left front swivel arm 14 and the left rear swivel arm 11 to swing, so as to achieve the purpose of increasing or decreasing the printing pressure of the left forming roller 16. This state is the pressure adjustment state.

[0044] The specific process of adjusting the parallelism of the left forming roller 16 is as follows:

[0045] See attached Figure 4 , the set screw 23 is in a locked state. When the end fixing screw 22 is in a loosened state, when the left rotating handle 1 is pulled outward, the compression spring 3 is in a compressed state and can move backward through the strip hole on the left adjusting screw shaft 5; thereby disengaging the left rotating handle 1 from the slot of the left adjustable conical sleeve 4. At this time, the left adjusting screw shaft 5, the left rotating handle 1, the compression spring 3, the left rear tapered block 7 and the end fixing screw 22 are an integral mechanism B, and the left adjustable tapered sleeve 4 is locked by the locking screw 23 and cannot rotate with the left adjusting screw shaft 5. When the left rotating handle 1 is rotated, the integral mechanism B is driven to move back and forth and rotate inside the left adjustable tapered sleeve 4, that is, the left rear tapered block 7 will rotate simultaneously with the left adjusting screw shaft 5; at this time, the contact area between the left adjustable tapered sleeve 4 and the front wedge block of the wedge block adjusting rod assembly 8 will not change, and the contact surface between the left rear tapered block 7 and the rear wedge block of the wedge block adjusting rod assembly 8 will change accordingly, thereby only driving the left rear slewing arm 11 to swing, and this state is the parallelism adjustment state.

[0046] Example 3

[0047] This embodiment is further optimized on the basis of embodiment 2, specifically:

[0048] The left adjusting screw rod assembly and the right adjusting screw rod assembly have the same structure and are symmetrically arranged on both sides of the wedge block adjusting rod assembly 8;

[0049] The right swing arm assembly includes a right front swing arm 15 and a right rear swing arm 10 movably mounted on an intermediate ink transfer roller 24. The right front swing arm 15 and the right rear swing arm 10 have the same structure and are symmetrically arranged. The intermediate ink transfer roller 24 passes through the middle of the right front swing arm 15 and the right rear swing arm 10. The right forming roller 17 is installed at the lower end between the right front swing arm 15 and the right rear swing arm 10. The left and right ends of the right adjusting screw assembly respectively pass through the upper end of the right front swing arm 15 and the upper end of the right rear swing arm 10 through a threaded pair.

[0050] Tension springs 25 are provided between the tops of the right front swing arm 15 and the left front swing arm 14 , and between the tops of the right rear swing arm 10 and the left rear swing arm 11 .

[0051] In this embodiment, the pressure adjustment and parallelism adjustment methods of the right forming roller 17 are the same as those of the left forming roller 16 in Embodiment 2.

Claims

1. An integrated adjustment mechanism for a forming roller, comprising a front frame (12) and a rear frame (13), characterized in that: It also comprises an intermediate ink transfer roller (24) penetrating the front frame (12) and the rear frame (13); a left swing arm assembly for mounting a left forming roller (16) and a right swing arm assembly for mounting a right forming roller (17) are movably sleeved on the intermediate ink transfer roller (24); and a composite adjustment assembly for adjusting the opening and closing angles and parallelism of the left forming roller (16) and the right forming roller (17) is arranged between the front frame (12) and the rear frame (13); The composite adjustment assembly comprises a wedge block adjustment rod assembly (8) fixed between the front frame (12) and the rear frame (13), a left adjustment screw assembly arranged between the front frame (12) and the rear frame (13) and cooperating with the wedge block adjustment rod assembly (8) to adjust the swing angle and parallelism of the left swing arm assembly, and a right adjustment screw assembly arranged between the front frame (12) and the rear frame (13) and cooperating with the wedge block adjustment rod assembly (8) to adjust the swing angle and parallelism of the right swing arm assembly; The wedge block adjustment rod assembly (8) comprises an adjustment rod detachably arranged between a front frame (12) and a rear frame (13), and a front wedge block and a rear wedge block arranged at the front and rear sides of the screw rod; The left adjusting screw assembly and the right adjusting screw assembly have the same structure and are symmetrically arranged on both sides of the wedge block adjusting rod assembly (8); the left adjusting screw assembly comprises a left adjusting screw shaft (5) which passes through the front frame (12) and the rear frame (13) through a gap, a left rotating handle (1), a compression spring (3), a left adjustable conical sleeve (4) which can cooperate with the front wedge block, a left rear conical block (7) which can cooperate with the rear wedge block, and an end fixing screw (22); the left rear conical block (7) is fixedly sleeved on the left adjusting screw shaft through a rear latch (6). The left rotating handle (1) is mounted on the front end of the left adjusting screw shaft (5) through a front latch (2) and is position-adjustable. The left adjustable conical sleeve (4) and the left adjusting screw shaft (5) are mounted on the left adjusting screw shaft (5) through a thread pair. The left rotating handle (1) and the left adjustable conical sleeve (4) are matched in a detachable plug-in manner. The end fixing screw (22) is arranged on the left side of the left rotating handle (1) and is matched with the left end of the left adjusting screw shaft (5) inside the left rotating handle (1). The compression spring (3) is sleeved on the left adjusting screw shaft (5) inside the left rotating handle (1), one end of the compression spring (3) is connected to the left adjusting screw shaft (5), and the other end is connected to the left rotating handle (1); The left swing arm assembly comprises a left front swing arm (14) and a left rear swing arm (11) movably mounted on an intermediate ink transfer roller (24); the left front swing arm (14) and the left rear swing arm (11) have the same structure and are symmetrically arranged; the intermediate ink transfer roller (24) passes through the middle of the left front swing arm (14) and the left rear swing arm (11); the left forming roller (16) is installed at the lower end between the left front swing arm (14) and the left rear swing arm (11); the left and right ends of the left adjusting screw assembly pass through the upper end of the left front swing arm (14) and the upper end of the left rear swing arm (11) respectively through a thread pair; the left front swing arm (14) is also provided with a locking screw (23) for preventing the left adjustable conical sleeve (4) from rotating when the left rotating handle (1) is separated from the left adjustable conical sleeve (4); The right swing arm assembly comprises a right front swing arm (15) and a right rear swing arm (10) movably mounted on an intermediate ink transfer roller (24); the right front swing arm (15) and the right rear swing arm (10) have the same structure and are symmetrically arranged; the intermediate ink transfer roller (24) passes through the middle of the right front swing arm (15) and the right rear swing arm (10); the right forming roller (17) is installed at the lower end between the right front swing arm (15) and the right rear swing arm (10); and the left and right ends of the right adjusting screw assembly respectively pass through the upper end of the right front swing arm (15) and the upper end of the right rear swing arm (10) in the form of a threaded pair.

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