Printing rubber roller convenient to replace

Abstract

The utility model relates to the technical field of printing rubber covered rollers, in particular to a printing rubber covered roller convenient to replace, which is characterized in that connecting columns are fixedly arranged at the left end and the right end of a rubber covered roller body, and open holes are formed in the connecting columns; the two moving rods are movably inserted into the open holes respectively, the inner ends of the moving rods penetrate through and extend into the adjusting bin in the rubber roller body, and tooth grooves are formed in the rod walls of the inner ends of the moving rods; a plurality of bolts are movably inserted into the end face of the rubber roller body through springs, the ends of the bolts extend into the adjusting bin, the two ends of the springs are connected with the inner wall of the adjusting bin and the bolts respectively, and tooth grooves are formed in the rod walls of the inner ends of the bolts; a plurality of gears are rotationally connected into the adjusting bin through shaft seats respectively, and the gears are meshed with the tooth grooves in the moving rod and the tooth grooves in the plug pin respectively; the position of the moving rod is adjusted by utilizing the matching effect of the gear, the bolt and the tooth groove in the moving rod, so that the length of the end part of the rubber roller body is changed, the end part of the rubber roller body is conveniently separated from the connecting end, and the rubber roller body is conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of printing rubber rollers, in particular to a printing rubber roller which is easy to replace. Background Art

[0002] The connection ends at both ends of the existing printing rubber roller are fixed structures, and the length cannot be adjusted according to actual conditions, resulting in inconvenience in replacing the rubber roller. Therefore, a printing rubber roller that is easy to replace is urgently needed to solve the above problem. Utility Model Content

[0003] The purpose of the utility model is to provide a printing rubber roller with a reasonable design and easy to replace in view of the defects and shortcomings of the prior art, so as to solve the technical problems in the above-mentioned background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises:

[0005] A rubber roller body, wherein both left and right ends of the rubber roller body are fixed with connecting columns, and the connecting columns are provided with openings;

[0006] Moving rods, there are two moving rods, the two moving rods are movably inserted in the openings, and the inner ends of the moving rods pass through and extend into the adjustment bin in the rubber roller body, and the inner end rod walls of the moving rods are provided with tooth grooves;

[0007] The latches are multiple and are respectively inserted on the end surface of the rubber roller body by springs, and the ends of the latches extend into the adjustment chamber, the two ends of the springs are respectively connected to the inner wall of the adjustment chamber and the latches, and the inner end rod wall of the latches is provided with tooth grooves;

[0008] Gears, there are several gears, and the several gears are respectively screwed in the adjustment chamber by using shaft seats, and the gears are respectively meshed with the tooth grooves on the moving rod and the tooth grooves on the latch;

[0009] There are two rotating rings, which are respectively screwed on the end faces of both sides of the rubber roller body by bearings, and the rotating rings are movably sleeved on the connecting column, and the latch penetrates and extends out of the side wall of the rotating ring, and the buckle on the outer end of the latch is movably clamped in the clamping groove on the rotating ring.

[0010] Preferably, limiting grooves are provided on the end faces of the outer ends of the two moving rods, and the two connecting ends are respectively mounted on the inner walls of the machine body. The sides of the connecting ends are screwed with adjusting cylinders using bearings. The adjusting rod is screwed into the adjusting cylinder through a thread and one end of the adjusting rod is movably inserted into the connecting end, and the other end of the adjusting rod is movably inserted into the limiting groove. After the positioning screw passes through the side wall of the adjusting cylinder, it is screwed onto the connecting end through a thread.

[0011] Preferably, the rod walls of the two movable rods are provided with limit blocks, and the limit blocks are slidably arranged on the inner wall of the opening.

[0012] Preferably, a pressing block is provided at the outer ends of the plurality of latches.

[0013] Preferably, sleeve rings are provided on the outer walls of the two rotating rings.

[0014] Compared with the prior art, the beneficial effect of the utility model is that the printing rubber roller which is easy to replace described in the utility model utilizes the cooperation of the gear, the latch and the tooth groove on the moving rod to adjust the position of the moving rod, thereby changing the length of the end of the rubber roller body, making it easy to separate the end of the rubber roller body from the connecting end, thereby facilitating the replacement of the rubber roller body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the middle rubber roller body and the moving rod of the utility model.

[0017] Figure 3 It is a schematic diagram of the internal structure of the rubber roller body of the utility model.

[0018] Figure 4 It is a structural schematic diagram of a rotating ring and a latch in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the moving rod and the connecting end in the utility model.

[0020] Description of reference numerals:

[0021] The rubber roller body 1, the connecting column 2, the opening 3, the moving rod 4, the adjusting chamber 5, the latch 6, the spring 7, the gear 8, the rotating ring 9, the buckle 10, the slot 11, the limiting slot 12, the connecting end 13, the adjusting cylinder 14, the adjusting rod 15, the positioning screw 16, the limiting block 17, the pressing block 18, and the collar 19. DETAILED DESCRIPTION

[0022] 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 in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 -- Figure 5 As shown, this specific implementation adopts the following technical solution: it includes:

[0024] A rubber roller body 1, wherein both left and right ends of the rubber roller body 1 are fixedly provided with connecting posts 2, and the connecting posts 2 are provided with openings 3, and the openings 3 play a role in positioning;

[0025] The movable rod 4 is two, and the two movable rods 4 are respectively movably inserted in the opening 3, and the inner end of the movable rod 4 passes through and extends into the adjustment chamber 5 in the rubber roller body 1, and the rod wall at the inner end of the movable rod 4 is provided with a tooth groove, and the movable rod 4 is used to move in the opening 3 to adjust the length of the two ends of the rubber roller body 1, so that the two ends of the rubber roller body 1 are in contact with the machine body, and the rod wall of the two movable rods 4 is provided with a limit block 17, and the limit block 17 is slidably set in the groove body corresponding to the inner wall of the opening 3 to limit the position of the movable rod 4 in the opening 3 and prevent the movable rod 4 from deviating when moving;

[0026] The latch 6 is a plurality of latches 6, which are movably inserted on the end surface of the rubber roller body 1 by means of springs 7, and the ends of the latches 6 extend into the adjustment chamber 5, the two ends of the spring 7 are respectively connected to the inner wall of the adjustment chamber 5 and the latch 6, and the inner end rod wall of the latch 6 is provided with a tooth groove, and the elastic force of the spring 7 is used to facilitate the movement of the latch 6 in the adjustment chamber 5;

[0027] Gear 8, there are several gears 8, several gears 8 are respectively screwed in the adjustment chamber 5 by using shaft seats, and the gears 8 are respectively meshed with the tooth grooves on the moving rod 4 and the tooth grooves on the latch 6, and the meshing action of the gears 8 and the tooth grooves makes the moving rod 4 and the latch 6 move in opposite directions;

[0028] The rotating ring 9 is two, and the two rotating rings 9 are respectively screwed on the end surfaces on both sides of the rubber roller body 1 by bearings, and the rotating ring 9 is movably sleeved on the connecting column 2, and the latch 6 passes through and extends out of the side wall of the rotating ring 9, and the buckle 10 on the outer end of the latch 6 is movably clamped in the clamping groove 11 on the rotating ring 9, and the rotating ring 9 plays a role of limiting, which is convenient for the outer end of the latch 6 to be movably clamped in the rotating ring 9, thereby limiting the movement of the latch 6, so that the moving rod 4 is fixed in the corresponding position, and the outer ends of several latches 6 are provided with pressing blocks 18, which are convenient for pressing the outer ends of the latch 6 into the rotating ring 9 through the pressing blocks 18, so that the buckle 10 is clamped in the clamping groove 11, and the outer walls of the two rotating rings 9 are provided with sleeve rings 19, which are convenient for the operator's fingers to be inserted into the sleeve rings 19, driving the rotating ring 9 to rotate, and preventing the outer wall of the rotating ring 9 from being too slippery and difficult for the operator to grab;

[0029] A limiting groove 12 is provided on the end surface of the outer end of the two moving rods 4, and two connecting ends 13 are respectively installed on the inner wall of the body. The connecting end 13 is connected to the external driving device. The side of the connecting end 13 is screwed with an adjusting cylinder 14 by a bearing. The adjusting rod 15 is screwed in the adjusting cylinder 14 with one end of the adjusting rod 15 movably inserted in the connecting end 13, and the other end of the adjusting rod 15 is movably inserted in the limiting groove 12. After the positioning screw 16 passes through the side wall of the adjusting cylinder 14, it is screwed on the connecting end 13 with a thread. The limiting groove 12 and the adjusting rod 15 cooperate to facilitate the temporary connection of the rubber roller body 1 and the connecting end 13, limit the installation position of the rubber roller body 1, and avoid the shaking of the rubber roller body 1 during installation to cause position deviation.

[0030] When using the utility model, when replacing the rubber roller body 1, the operator first unscrews the bolt on the rotating ring 9, rotates the rotating ring 9 through the sleeve ring 19, separates the buckle 10 from the card slot 11, and uses the elastic force of the spring 7 to make the latch 6 pop out from the slot body on the rotating ring 9. When the latch 6 moves, the tooth groove at the inner end of the latch 6 drives the corresponding gear 8 to rotate. The gear 8 drives the moving rod 4 to move into the adjustment chamber 5 through the tooth groove on the moving rod 4 until the end of the moving rod 4 retracts into the connecting column 2, thereby disconnecting the connection between the rubber roller body 1 and the connecting end 13, so as to facilitate the replacement of the rubber roller body 1;

[0031] When installing the rubber roller body 1, first rotate the adjustment cylinder 14 on one side, and through the guiding effect of the thread, the adjustment rod 15 moves in the adjustment cylinder 14 until the adjustment rod 15 extends out of the adjustment cylinder 14, then press the pin 6 on one side of the rubber roller body 1 to cooperate with the gear 8, so that the moving rod 4 extends out of the connecting column 2, and the extended adjusting rod 15 is movably inserted in the limiting groove 12, so that one side of the rubber roller body 1 is temporarily connected to one of the connecting ends 13, and the limiting effect of the adjusting rod 15 is used to facilitate the alignment of the other side of the rubber roller body 1 with the other connecting end 13, and then the moving rod 4 is connected to the connecting end 13 through the pin 6, so that the two ends of the rubber roller body 1 are respectively connected to the connecting ends 13.

[0032] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0033] 1. Set the moving rod 4, and use the gear 8, the tooth groove on the latch 6 and the tooth groove core on the moving rod 4 to make the latch 6 and the moving rod 4 move in opposite directions, so as to control the movement of the moving rod 4, thereby adjusting the length of the left and right ends of the rubber roller body 1, and facilitating the replacement of the rubber roller body 1;

[0034] 2. An adjusting rod 15 is provided. By using the cooperation between the adjusting rod 15 and the limiting groove 12, one side of the rubber roller body 1 is temporarily connected first, so that the other side of the rubber roller body 1 is aligned with the connecting end 13, which is convenient for the installation of the rubber roller body 1.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A printing rubber roller that is easy to replace, characterized in that: It contains: A rubber roller body (1), wherein connecting columns (2) are fixedly provided at both left and right ends of the rubber roller body (1), and openings (3) are provided on the connecting columns (2); A moving rod (4), wherein the moving rod (4) is two in number, and the two moving rods (4) are respectively movably inserted into the opening (3), and the inner ends of the moving rods (4) pass through and extend into the adjustment chamber (5) in the rubber roller body (1), and tooth grooves are provided on the rod walls at the inner ends of the moving rods (4); A latch (6), wherein the latch (6) is in plurality and each of the latches (6) is movably inserted on the end surface of the rubber roller body (1) by means of a spring (7), and the end of the latch (6) extends into the adjustment chamber (5), the two ends of the spring (7) are respectively connected to the inner wall of the adjustment chamber (5) and the latch (6), and a tooth groove is provided on the inner end rod wall of the latch (6); Gears (8), wherein the gears (8) are multiple, and the multiple gears (8) are respectively screwed into the adjustment chamber (5) by using shaft seats, and the gears (8) are respectively meshed with the tooth grooves on the moving rod (4) and the tooth grooves on the latch (6); The rotating ring (9) is provided in two pieces. The two rotating rings (9) are respectively screwed to the end surfaces on both sides of the rubber roller body (1) by means of bearings. The rotating ring (9) is movably sleeved on the connecting column (2). The latch (6) passes through and extends out of the side wall of the rotating ring (9). The buckle (10) on the outer end of the latch (6) is movably clamped in the clamping groove (11) on the rotating ring (9).

2. The easily replaceable printing rubber roller according to claim 1, characterized in that: The end surfaces of the outer ends of the two moving rods (4) are provided with limit grooves (12), the two connecting ends (13) are respectively mounted on the inner wall of the machine body, the side surfaces of the connecting ends (13) are screwed with an adjusting cylinder (14) by means of a bearing, the adjusting rod (15) is screwed in the adjusting cylinder (14) by a thread, one end of the adjusting rod (15) is movably inserted in the connecting end (13), the other end of the adjusting rod (15) is movably inserted in the limit groove (12), and the positioning screw (16) passes through the side wall of the adjusting cylinder (14) and is screwed on the connecting end (13) by a thread.

3. The easily replaceable printing rubber roller according to claim 1, characterized in that: Limit blocks (17) are provided on the rod walls of the two movable rods (4), and the limit blocks (17) are slidably arranged on the inner wall of the opening (3).

4. The easily replaceable printing rubber roller according to claim 1, characterized in that: The outer ends of the plurality of latches (6) are each provided with a pressing block (18).

5. The easily replaceable printing rubber roller according to claim 1, characterized in that: A sleeve ring (19) is provided on the outer walls of the two rotating rings (9).

Images