Printing roller with telescopic roller core
Technical Field
The utility model belongs to the technical field of the printing device and specifically relates to a take version roller of scalable roller core is related to.
Background
Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The principle is that the characters or images to be printed are made into printing roller, which is mounted on the roller core of the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manpower or printing machine, and then the characters and images are directly or indirectly transferred to the paper.
However, the existing printing roller with the telescopic roller core has some disadvantages in practical use, the roller core is generally formed by integral forging, the length of the roller core is fixed and cannot be adjusted, and therefore, when paper products with other sizes need to be printed, the roller core matched with the roller core needs to be disassembled and replaced, which not only consumes time and labor, but also needs to purchase roller cores with various sizes, and increases production cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an: for solving the problem of proposing the roller core in the above-mentioned background art that can not stretch out and draw back the regulation length, the utility model provides a take version roller of scalable roller core.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a take version roller of scalable roller core, includes the pivot, the surface cover of pivot is equipped with movable roller core, be sliding connection between movable roller core and the pivot, the surface cover of movable roller core is equipped with the printing roller, the fixed surface of pivot is equipped with a word fixture block, a word draw-in groove has been seted up on movable roller core's surface, looks adaptation between a word fixture block and the word draw-in groove is two sets of connect through telescopic machanism between the movable roller core, telescopic machanism is including seting up the fixed slot on a word fixture block surface, the inside of fixed slot is inserted and is equipped with fixing bolt, be connected through fixing mechanism between pivot and the printing roller.
With the above embodiment, the following effects can be obtained: the movable roller core can slide on the rotating shaft, and the length of the movable roller core is indirectly changed by adjusting the distance between the movable roller cores, so that printing rollers with various lengths can be sleeved, and the applicability is stronger.
Further, telescopic machanism is including offering the inside flexible groove of activity roller core, flexible inslot portion is inserted and is equipped with the hollow tube, be sliding connection between hollow tube and the flexible groove, the both sides of hollow tube all are provided with conflict subassembly.
With the above embodiment, the following effects can be obtained: when pulling activity roller core, the hollow tube in the activity roller core is tensile the removal in flexible inslot thereupon, and rethread conflict subassembly is fixed, and two sets of activity roller cores just can not remove in opposite directions again.
Further, the subassembly of contradicting is including setting up in the knob on activity roller core surface, the one end of knob is fixed with the threaded rod, be connected through the bearing between threaded rod and the activity roller core, the surface cover of threaded rod is equipped with the baffle, be threaded connection between baffle and the threaded rod, the fixed surface of baffle has limit slider, spacing spout has been seted up to the inner wall in flexible groove, looks adaptation between limit slider and the spacing spout.
With the above embodiment, the following effects can be obtained: through rotatory knob, alright rotate the threaded rod to realize the removal of baffle, contradict the hollow tube through removing the baffle, carry on spacingly to the hollow tube.
Furthermore, the outer surface of the knob is provided with a convex pattern rubber sleeve, and the convex pattern rubber sleeve is fixedly connected with the knob.
By the above embodiment, the following effects can be obtained: the comfort level of use can be improved by utilizing the better flexibility of the rubber.
Furthermore, the surface of the hollow tube is fixed with anti-slip falling blocks, the anti-slip falling blocks are symmetrically distributed, the inner wall of the telescopic groove is provided with an anti-slip falling groove, and the anti-slip falling blocks are connected with the anti-slip falling groove in a sliding mode.
With the above embodiment, the following effects can be obtained: when the hollow pipe is about to slide out of the movable roller core, the anti-slip falling block on the surface of the hollow pipe can abut against the end wall of the anti-slip falling groove to prevent the hollow pipe from sliding out of the telescopic groove.
Further, fixed establishment is including being fixed in the center block of pivot center department, the rectangle draw-in groove has been seted up to the internal surface of printing roller, the both sides of center block all are provided with the screens subassembly.
With the above embodiment, the following effects can be obtained: through the cooperation of hollow block and hollow groove, can fix a position and fix the printing roller.
Furthermore, the screens subassembly is including inserting the movable rod of locating in the center block, be sliding connection between movable rod and the center block, be provided with the spring between movable rod and the center block, the both ends of spring are fixed mutually with center block, movable rod respectively, the upper end of movable rod is fixed with the backup pad, the upper end of backup pad is fixed with the rectangle fixture block, looks adaptation between rectangle fixture block and the rectangle draw-in groove.
With the above embodiment, the following effects can be obtained: the printing roller is positioned and fixed by clamping the rectangular clamping block in the central block into the rectangular clamping groove on the surface of the printing roller.
In summary, the present application includes at least one of the following advantages;
1. the utility model discloses, through being provided with telescopic machanism, can indirectly adjust the length of activity core to conveniently insert the printing roller of other sizes and print, the suitability is stronger, when the printing roller of other specifications is inserted to needs, can stimulate two sets of activity cores earlier, spacing, rethread tension mechanism fix, alright indirectly realize the change of activity core length.
2. The utility model discloses, through being provided with fixed establishment, the convenience is fixed a position the printing roller to can fix the printing roller, prevent that it from at the printing in-process, the printing roller rocks, thereby can guarantee the printing effect of printing roller.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic view of the overall internal three-dimensional structure of the present invention;
FIG. 4 is a schematic view of the internal three-dimensional structure of the movable roller core of the present invention;
fig. 5 is a schematic perspective view of a middle part of the conflict structure of the present invention;
fig. 6 is a partial cross-sectional view of the center block of the present invention;
fig. 7 is a cross-sectional view of a printing roll in the present invention;
description of the reference numerals:
1. a rotating shaft; 2. a movable roll core; 3. a straight fixture block; 4. a linear card slot; 5. fixing grooves; 6. fixing the bolt; 7. a printing roller; 8. a telescoping mechanism; 81. a telescopic groove; 82. a hollow tube; 83. a collision component; 831. a knob; 832. a threaded rod; 833. a bearing; 834. a baffle plate; 835. a limiting slide block; 836. a limiting chute; 84. a convex pattern rubber sleeve; 9. anti-slip falling blocks; 10. anti-slip falling groove; 11. a fixing mechanism; 111. a center block; 112. a rectangular clamping groove; 113. a clamping component; 1131. a movable rod; 1132. a spring; 1133. a support plate; 1134. and (4) a rectangular fixture block.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
Referring to fig. 1, the embodiment of the application discloses a printing roller with a telescopic roller core, which comprises a rotating shaft 1, wherein a movable roller core 2 is sleeved on the surface of the rotating shaft 1, the movable roller core 2 is in sliding connection with the rotating shaft 1, a printing roller 7 is sleeved on the surface of the movable roller core 2, a straight clamping block 3 is fixed on the surface of the rotating shaft 1, a straight clamping groove 4 is formed in the surface of the movable roller core 2, and the straight clamping block 3 is matched with the straight clamping groove 4. The two groups of movable roller cores 2 are connected through a telescopic mechanism 8, the telescopic mechanism 8 comprises a fixing groove 5 formed in the surface of the straight clamping block 3, a fixing bolt 6 is inserted into the fixing groove 5, and the rotating shaft 1 is connected with the printing roller 7 through a fixing mechanism 11. Through being provided with telescopic machanism 8, can indirectly adjust the length of activity core 2 to conveniently insert the printing roller 7 of other sizes and print, the suitability is stronger, secondly, through being provided with fixed establishment 11, conveniently fix a position and fix printing roller 7, can guarantee printing roller 7's printing effect.
Referring to fig. 2, 3 and 4, the telescoping mechanism 8 includes a telescoping groove 81 opened in the movable roller core 2, a hollow tube 82 is inserted in the telescoping groove 81, and both ends of the hollow tube 82 are slidably connected to the telescoping grooves 81 in the movable roller cores 2 on the corresponding sides, respectively. The both sides of hollow tube 82 all are provided with conflict subassembly 83, in the activity roller core 2 that slides, hollow tube 82 is corresponding thereupon and slides in flexible groove 81, supports hollow tube 82 both sides through rotating conflict subassembly 83, thereby fix the interval between the activity roller core 2, activity roller core 2 can no longer move in opposite directions, insert fixing bolt 6 again in fixed slot 5 and fix the activity roller core 2 outside, thereby alright fix activity roller core 2.
Referring to fig. 3, 4 and 5, the abutting assembly 83 includes a knob 831 disposed on the surface of the movable roller core 2, a threaded rod 832 is fixed to one end of the knob 831, the threaded rod 832 is connected with the movable roller core 2 through a bearing 833, a baffle 834 is sleeved on the surface of the threaded rod 832, the baffle 834 is in threaded connection with the threaded rod 832, a limit slider 835 is fixed to the surface of the baffle 834, a limit chute 836 is disposed on the inner wall of the telescopic groove 81, and the limit slider 835 is matched with the limit chute 836. The knob 831 is rotated to drive the threaded rod 832 to rotate, and the baffle 834 on the surface of the threaded rod 832 moves towards the hollow pipe 82 to abut against the end of the hollow pipe 82 while the threaded rod 832 rotates, so that the movable roller cores 2 can not slide oppositely.
Referring to fig. 2 and 4, the outer surface of the knob 831 is provided with a relief rubber sleeve 84, and the relief rubber sleeve 84 is fixedly connected with the knob 831, so that the comfort level of use is improved by using the better flexibility of rubber.
Referring to fig. 2, 3 and 4, the anti-slip falling blocks 9 are fixed on the surface of the hollow tube 82, the anti-slip falling blocks 9 are symmetrically distributed, the inner wall of the telescopic groove 81 is provided with an anti-slip falling groove 10, and the anti-slip falling blocks 9 are connected with the anti-slip falling groove 10 in a sliding manner. When the hollow tube 82 is to be pulled out of the movable roller core 2, the anti-slip falling block 9 at the end of the hollow tube 82 abuts against the inner wall of the end of the anti-slip falling groove 10, so that the hollow tube 82 is prevented from falling off from the telescopic groove 81 due to overexertion when the movable roller core 2 is adjusted.
Referring to fig. 3, 6 and 7, the fixing mechanism 11 includes a central block 111 fixed at the center of the rotating shaft 1, a rectangular slot 112 is formed on the inner surface of the printing roller 7, and two sides of the central block 111 are provided with clamping assemblies 113. When the printing roller 7 is inserted and the printing roller 7 is moved toward the other end, when the surface locking member 113 of the center block 111 is locked into the rectangular locking groove 112 of the surface of the printing roller 7, it indicates that the center is aligned and the printing roller 7 is fixed.
Referring to fig. 6 and 7, the locking assembly 113 includes a movable rod 1131 inserted into the center block 111, the movable rod 1131 is slidably connected to the center block 111, a spring 1132 is disposed between the movable rod 1131 and the center block 111, two ends of the spring 1132 are respectively fixed to the center block 111 and the movable rod 1131, a support plate 1133 is fixed to the upper end of the movable rod 1131, a rectangular locking block 1134 is fixed to the upper end of the support plate 1133, and the rectangular locking block 1134 is adapted to the rectangular locking groove 112. When the printing roller 7 is inserted and the printing roller 7 is pushed, the rectangular blocks 1134 on both sides of the central block 111 are pressed to move in the direction of the rotation shaft 1, and the spring 1132 inside the central block 111 is pressed. When the rectangular card slot 112 on the surface of the printing roller 7 is opposite to the rectangular card block 1134, the spring 1132 is reset, the rectangular card block 1134 bounces and is clamped in the rectangular card slot 112, so that positioning and fixing are realized.
When the printing roller is used, according to the length of a printing roller 7 to be used, firstly, the movable roller core 2 on the rotating shaft 1 is slid, the distance between the movable roller core 2 and the rotating shaft is changed, then, the fixing bolt 6 is screwed in the fixing grooves 5 on the two sides of the movable roller core 2, the knob 831 on the surface of the movable roller core 2 is rotated to enable the baffle 834 to abut against the hollow pipe 82, so that the movable roller core 2 is adjusted and fixed, then, the printing roller 7 is inserted from one side of the rotating shaft 1, in the moving process of the printing roller 7, the rectangular clamping plate is extruded on the inner wall of the printing roller 7, the spring 1132 in the central block 111 is extruded when the rectangular clamping block 1134 moves, when the rectangular groove on the surface of the printing roller 7 is opposite to the rectangular clamping plate, the spring 1132 drives the rectangular clamping plate to reset, the rectangular clamping plate is clamped into the rectangular groove, and then, so that the positioning and fixing of the printing roller 7 are completed.