Device for taking out pin shaft head of winding swing roller of printing machine

Abstract

The utility model discloses a printing machine winding swing roller pin shaft head taking-out device which comprises a fixing block, a semicircular groove is formed in the upper surface of the fixing block, a plurality of annular grooves are formed in the semicircular groove, circular rings are rotationally connected into the annular grooves, inserting grooves are formed in the sides, facing the outer portions of the annular grooves, of the circular rings, and the inserting grooves are matched with the inserting grooves. The pin shaft fixing rod is limited in the circular ring through the inserting groove, a plurality of rectangular grooves communicated with the annular groove are formed in the left side and the right side of the fixing block, rotating pieces making contact with the circular ring are slidably connected into the rectangular grooves, a round hole is formed in the front face of the fixing block, and the rotating pieces are inserted into the round hole. The rectangular groove is formed in the circular ring, the rectangular rod is inserted into the gap formed between the inserting groove and the rectangular groove after the circular ring rotates, and the rectangular rod is used for limiting the position of the circular ring, so that the pin shaft fixing rod is fixed, the puller screw rod fixing block can be separated from the pin shaft fixing rod, and the pin shaft mounting cost is reduced.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of printing machine maintenance, in particular to a device for removing a pin shaft head of a winding swing roller of a printing machine. Background Art

[0002] Pins are a type of standardized fastener that can be used for static fixed connections or for relative movement with the connected parts. They are mainly used at the hinge joints of two parts to form hinge connections.

[0003] The pin of the winding swing roller of a printing press needs to be disassembled during daily maintenance. In the prior art, in order to facilitate disassembly, a pin fixing rod is installed on the pin when installing the pin, and then a puller screw fixing block is installed on the pin fixing rod, and the pin is disassembled using the puller screw. However, this method increases the installation cost because a puller screw fixing block needs to be installed at each pin fixing rod. Therefore, a new type of pin head removal device for the winding swing roller of a printing press is needed. Utility Model Content

[0004] The technical solution of the utility model is aimed at the existing technical solutions and provides a solution that is significantly different from the existing technologies. It mainly provides a device for removing the pin shaft head of the winding swing roller of a printing machine, which is used to solve the technical problem proposed in the above background technology that a puller screw rod fixing block needs to be installed at each pin shaft fixing rod, resulting in increased installation costs.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A device for removing the pin shaft head of the winding swing roller of a printing press includes a fixed block, a semicircular groove is provided on the upper surface of the fixed block, a plurality of annular grooves are provided in the semicircular groove, a circular ring is rotatably connected in the annular groove, a slot is provided on the side of the circular ring facing outside the annular groove, a pin shaft fixing rod is restricted in the circular ring through the slot, a plurality of rectangular grooves communicating with the annular grooves are provided on the left and right sides of the fixed block, a rotating part in contact with the circular ring is slidably connected in the rectangular groove, a circular hole is provided on the front of the fixed block, and the rotating part is inserted into the circular hole.

[0007] Preferably, the rotating member includes a rectangular rod, which is inserted into the rectangular groove and contacts the circular ring. A threaded hole is provided on the front of the rectangular rod, and a puller screw rod is threadedly connected to the threaded hole, and the puller screw rod is inserted into the circular hole.

[0008] Preferably, a rectangular block is provided at one end of the puller screw rod close to the pin fixing rod, a rotating hole is provided at the end of the rectangular block facing the puller screw rod, the puller screw rod is inserted into the rotating hole, and adjustment grooves are provided at the upper and lower ends of the rectangular block, and a clamping piece is inserted into the adjustment groove.

[0009] Preferably, the clamping part includes a T-shaped plate, which is inserted into the adjustment slot, and the end of the T-shaped plate away from the rectangular block is in contact with the winding roller of the printing press. Through holes are provided on the opposite sides of the two T-shaped plates, and screws are inserted into the through holes. The screw heads are threadedly connected to nuts, and the nuts are arranged on the side of the T-shaped plate away from the screw.

[0010] Preferably, a plurality of weight-reducing grooves are provided on the fixing block.

[0011] Preferably, the annular surface of the ring is provided with an anti-slip groove.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. By opening a rectangular groove on the circular ring, inserting a rectangular rod into the gap between the slot and the rectangular groove after the circular ring is rotated, and using the rectangular rod to limit the position of the circular ring, the pin fixing rod is fixed, so that the puller screw rod fixing block can be separated from the pin fixing rod, thereby reducing the pin installation cost.

[0014] 2. Since the rectangular rod is inserted into the rectangular groove, when the threaded hole on the rectangular rod is damaged, the rectangular rod can be replaced instead of replacing the entire puller screw fixing block, thereby reducing costs.

[0015] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 This is an assembly diagram of the present invention in which the pin fixing rod is not placed in the ring;

[0018] Figure 3 This is a schematic diagram of the assembly of the pin fixing rod of the present invention placed in a circular ring;

[0019] Figure 4 This is a schematic diagram of the assembly of the rectangular block and T-shaped plate of the utility model.

[0020] Markings in the figure:

[0021] 1. Fixing block; 2. Annular groove; 3. Puller screw; 4. Rectangular rod; 5. Screw; 6. T-plate; 7. Rectangular block; 8. Anti-slip groove; 9. Circular ring; 10. Weight-reducing groove; 11. Rectangular groove; 12. Threaded hole; 13. Nut. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly used by technicians in the technical field of the present invention. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] Please refer to the attached Figures 1-4 A device for removing the pin shaft head of the winding swing roller of a printing press comprises a fixed block 1, a semicircular groove is provided on the upper surface of the fixed block 1, a plurality of annular grooves 2 are provided in the semicircular groove, a circular ring 9 is rotatably connected in the annular groove 2, a slot is provided on the side of the circular ring 9 facing the outside of the annular groove 2, and the pin shaft fixing rod is restricted in the circular ring 9 through the slot, a plurality of rectangular grooves 11 communicating with the annular groove 2 are provided on the left and right sides of the fixed block 1, a rectangular rod 4 is inserted in the rectangular groove 11, one end of the rectangular rod 4 in the rectangular groove 11 contacts the circular ring 9, a threaded hole 12 is provided on the front face of the rectangular rod 4, a puller screw rod 3 is threadedly connected in the threaded hole 12, a circular hole is provided on the front face of the fixed block 1, and the puller screw rod 3 is inserted in the circular hole.

[0026] When the circular ring 9 rotates, the rectangular rod 4 is inserted into the gap formed by the slot and the rectangular groove 11, and the rectangular rod 4 is used to limit the position of the circular ring 9, thereby completing the fixation of the pin fixing rod, so that the screw rod 3 fixing block 1 can be separated from the pin fixing rod, thereby reducing the pin installation cost.

[0027] A rectangular block 7 is set at one end of the puller screw rod 3 close to the pin fixing rod, and a rotating hole is provided at the end of the rectangular block 7 facing the puller screw rod 3, and the puller screw rod 3 is inserted in the rotating hole, and adjustment grooves are provided at the upper and lower ends of the rectangular block 7, and a T-shaped plate 6 is inserted in the adjustment groove. The end of the T-shaped plate 6 away from the rectangular block 7 is in contact with the winding roller of the printing press, and then through holes are provided on the opposite sides of the two T-shaped plates 6, and the screw rod 5 is inserted in the through holes, and a nut 13 is threadedly connected to the head of the screw rod 5, and the nut 13 is provided on the side of the T-shaped plate 6 away from the screw 5.

[0028] In order to reduce the weight of the fixing block 1 , a plurality of weight-reducing grooves 10 are provided on the fixing block 1 .

[0029] In order to facilitate the rotation of the ring 9, an anti-slip groove 8 is provided on the annular surface of the ring 9.

[0030] The specific operation process of this utility model is as follows: first, the slot of the circular ring 9 faces the outside of the semicircular groove, and then the circular ring 9 is sleeved on the pin fixing rod, and then the circular ring 9 is rotated using the thread on the annular surface of the circular ring 9 to wrap the pin fixing rod. At this time, the slot of the circular ring 9 is located in the semicircular groove. Since the slot makes the annular surface of the circular ring 9 lack a part, the rectangular rod 4 is inserted into the part, and the rectangular rod 4 is used to restrict the circular ring 9 so that the semicircular ring 9 can no longer rotate, thereby fixing the pin fixing rod.

[0031] When the rectangle fits in with the slot of the circular ring 9, the position of the threaded hole 12 is at the same horizontal plane as the position of the circular hole. At this time, the puller screw rod 3 can be inserted into the circular hole and the threaded hole 12 at the same time. Then, the rectangular block 7 is installed on the winding roller of the printing press by using the cooperation of the two T-shaped plates 6 and the screw rod 5 nut 13, and the puller screw rod 3 is inserted into the rotating hole on the rectangular block 7.

[0032] Since the T-shaped plate 6 can move in the adjustment slot, the height of the adjustment hole can be adjusted to ensure that the puller screw rod 3 is inserted into the rotating slot. Then, the puller screw rod 3 is rotated with an L-shaped wrench. When the puller screw rod 3 is threaded toward the rectangular block 7, the fixed block 1 moves toward the side away from the rectangular block 7, thereby driving the pin shaft fixing rod to move toward the side away from the winding roller of the printing press, and then removing the pin shaft from the winding roller of the printing press.

[0033] The above description of the present invention is illustrative in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A device for removing the pin shaft head of a winding roller of a printing press, comprising a fixed block (1), characterized in that: A semicircular groove is provided on the upper surface of the fixing block (1), a plurality of annular grooves (2) are provided in the semicircular groove, a circular ring (9) is rotatably connected in the circular groove (2), a slot is provided on the side of the circular ring (9) facing the outside of the circular groove (2), and the pin fixing rod is restricted in the circular ring (9) through the slot, a plurality of rectangular grooves (11) communicating with the annular groove (2) are provided on both the left and right sides of the fixing block (1), a rotating member in contact with the circular ring (9) is slidably connected in the rectangular groove (11), and a circular hole is provided on the front of the fixing block (1), and the rotating member is inserted into the circular hole.

2. The device for removing the pin head of the winding roller of a printing press according to claim 1, characterized in that: The rotating member comprises a rectangular rod (4), the rectangular rod (4) being inserted into the rectangular groove (11) and in contact with the circular ring (9), a threaded hole (12) being provided on the front of the rectangular rod (4), a puller screw rod (3) being threadedly connected to the threaded hole (12), and the puller screw rod (3) being inserted into the circular hole.

3. The device for removing the pin head of the winding roller of a printing press according to claim 2, characterized in that: A rectangular block (7) is provided at one end of the puller screw rod (3) close to the pin fixing rod, a rotation hole is provided at one end of the rectangular block (7) facing the puller screw rod (3), the puller screw rod (3) is inserted into the rotation hole, and adjustment slots are provided at both upper and lower ends of the rectangular block (7), and a clamping piece is inserted into the adjustment slot.

4. The device for removing the pin head of the winding roller of a printing press according to claim 3, characterized in that: The clamping member comprises a T-shaped plate (6), the T-shaped plate (6) being inserted into the adjustment slot, the end of the T-shaped plate (6) away from the rectangular block (7) being in contact with the winding roller of the printing press, through holes being provided on opposite sides of the two T-shaped plates (6), a screw rod (5) being inserted into the through hole, a nut (13) being threadedly connected to the head of the screw rod (5), and the nut (13) being arranged on the side of the T-shaped plate (6) away from the screw rod (5).

5. The device for removing the pin head of the winding roller of a printing press according to claim 1, characterized in that: The fixed block (1) is provided with a plurality of weight-reducing grooves (10).

6. The device for removing the pin head of the winding roller of a printing press according to claim 1, characterized in that: An anti-slip groove (8) is provided on the annular surface of the ring (9).

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