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CN-224228993-U - Rotary pressing cylinder capable of bidirectionally rotating

CN224228993UCN 224228993 UCN224228993 UCN 224228993UCN-224228993-U

Abstract

The utility model relates to the technical field of rotary pressing cylinders, in particular to a rotary pressing cylinder capable of rotating bidirectionally, which comprises a cylinder body, a guide post and a piston pressing block assembly, and is characterized in that the guide post is provided with a left-handed guide groove and a right-handed guide groove, the piston pressing block assembly comprises a guide pin matched with the left-handed guide groove or the right-handed guide groove, and the guide post is also provided with a reversing channel for switching the guide pin between the left-handed guide groove and the right-handed guide groove.

Inventors

  • DONG LIN

Assignees

  • 董林

Dates

Publication Date
20260512
Application Date
20250624

Claims (10)

  1. 1. The rotary pressing cylinder capable of bidirectionally rotating comprises a cylinder body (1), a guide column (2) and a piston pressing block assembly (3), and is characterized in that the guide column (2) is provided with a left-handed guide groove (21) and a right-handed guide groove (22) in a molding mode, the piston pressing block assembly (3) comprises a guide pin (31) matched with the left-handed guide groove (21) or the right-handed guide groove (22), the guide column (2) is further provided with a reversing channel (23) used for switching the guide pin (31) between the left-handed guide groove (21) and the right-handed guide groove (22), when the guide pin (31) is located in the left-handed guide groove (21), the guide column (2) guides the piston pressing block assembly (3) to rotate leftwards and press downwards, and when the guide pin (31) is located in the right-handed guide groove (22), the guide column (2) guides the piston pressing block assembly (3) to rotate rightwards and press downwards.
  2. 2. The rotary pressing cylinder capable of rotating bidirectionally according to claim 1, wherein the left-handed guide groove (21) comprises a left vertical pressing groove section (211) in a vertical bar groove shape, a left spiral pressing groove section (212) in a spiral groove shape, the top of the left vertical pressing groove section (211) is communicated with the bottom of the left spiral pressing groove section (212), when the guide pin (31) is positioned in the left vertical pressing groove section (211), the guide column (2) guides the piston press block assembly (3) to perform vertical pressing movement, when the guide pin (31) is positioned in the left spiral pressing groove section (212), the guide column (2) guides the piston press block assembly (3) to perform left spiral pressing movement, the right spiral guide groove (22) comprises a right vertical pressing groove section (221) in a vertical bar groove shape, a right spiral pressing groove section (222) in a spiral groove shape, the top of the right vertical pressing groove section (221) is communicated with the bottom of the right spiral pressing groove section (222), and when the guide pin (31) is positioned in the left vertical pressing groove section (212), and when the guide pin (31) is positioned in the left spiral pressing groove section (212), the guide column (2) guides the piston press block assembly (3) to perform left spiral pressing movement.
  3. 3. A bi-rotatable rotary push down cylinder as claimed in claim 2, wherein the left helical push down groove section (212) and the right helical push down groove section (222) are respectively helical in the circumferential direction of the guide post (2).
  4. 4. A bi-rotatable rotary push down cylinder as claimed in claim 3 wherein said left helical push down groove section (212) protrudes below the right helical push down groove section (222) in the circumferential direction of the guide post (2).
  5. 5. The bi-rotatable rotary push cylinder of claim 4 further comprising a height limiting assembly (4) for preventing the guide pin (31) from sliding excessively upward in the left helical push slot segment (212).
  6. 6. The rotary pressing cylinder capable of rotating in two directions according to claim 5, wherein the cylinder body (1) is internally provided with a piston cavity (11), the piston pressing block assembly (3) comprises a piston seat (32) sleeved on the guide post (2), the height limiting assembly (4) comprises a fixed height limiting block (41) arranged at the top of the piston cavity (11) and a movable height limiting block (42) arranged at the top of the piston seat (32), when the guide pin (31) is positioned at the top of the right spiral pressing groove section (222), the fixed height limiting block (41) and the movable height limiting block (42) are arranged in a staggered mode, and when the guide pin (31) is positioned at the top of the left spiral pressing groove section (212), the bottom of the fixed height limiting block (41) abuts against the top of the movable height limiting block (42).
  7. 7. The rotary pressing cylinder capable of rotating bidirectionally according to claim 5, wherein the cylinder body (1) is internally provided with a piston cavity (11), the piston pressing block assembly (3) comprises a piston seat (32) sleeved on the guide post (2), the height limiting assembly (4) comprises a fixed outer ring height limiting block (43) arranged at the top of the piston cavity (11), a fixed inner ring height limiting block (44) arranged at the top of the piston cavity (11), a movable inner ring height limiting block (45) arranged at the top of the piston seat (32), a movable inner ring height limiting block (46) arranged at the top of the piston seat (32), mirror symmetry of the fixed outer ring height limiting block (43) and the fixed inner ring height limiting block (44) are arranged in a concentric circular distribution, when the guide pin (31) is positioned at the top of the right spiral pressing groove section (222), the fixed outer ring height limiting block (43) and the movable outer ring height limiting block (45) are arranged in a mirror symmetry, when the guide pin (31) is positioned at the top of the right spiral pressing groove section (222), the fixed outer ring height limiting block (43) and the movable outer ring height limiting block (46) are arranged in a mirror symmetry circular distribution, when the fixed outer ring height limiting block (45) and the fixed inner ring height limiting block (46) are arranged at the top of the right spiral pressing section (31), the bottom of the fixed inner limit height block (44) is propped against the top of the movable inner limit height block (46).
  8. 8. The rotary pressing cylinder capable of rotating bidirectionally according to any one of claims 2-7, wherein a piston cavity (11) is formed in the cylinder body (1), the piston cavity (11) comprises a vertical pressing cavity (111) and a spiral pressing cavity (112) arranged at the top of the vertical pressing cavity (111), the left vertical pressing groove section (211) and the right vertical pressing groove section (221) are respectively arranged in the vertical pressing cavity (111), the left spiral pressing groove section (212) and the right spiral pressing groove section (222) are respectively arranged in the spiral pressing cavity (112), and the inner diameter of the spiral pressing cavity (112) is larger than that of the vertical pressing cavity (111).
  9. 9. The rotary push-down cylinder capable of rotating bidirectionally according to claim 1, wherein the reversing channel (23) is provided with an error reversing prevention component (5), and the error reversing prevention component (5) comprises a telescopic stop block (51) which is arranged at the position of the reversing channel (23) in a sliding way and a compression spring (52) which is clamped between the telescopic stop block (51) and the guide post (2).
  10. 10. A bi-directionally rotatable rotary pressing cylinder as claimed in claim 1, wherein at least two left-handed guide grooves (21) and at least two right-handed guide grooves (22) are respectively arranged in an array along the circumferential direction of the guide post (2), the left-handed guide grooves (21) and the right-handed guide grooves (22) are respectively arranged in an array along the circumferential direction of the guide post (2), the piston press block assembly (3) comprises guide pins (31) which are the same in number as the left-handed guide grooves (21) or the right-handed guide grooves (22), and the guide pins (31) are respectively located in the left-handed guide grooves (21) or the right-handed guide grooves (22) at the same time.

Description

Rotary pressing cylinder capable of bidirectionally rotating Technical field: The utility model relates to the technical field of rotary pressing cylinders, in particular to a rotary pressing cylinder capable of rotating bidirectionally. The background technology is as follows: the rotary pressing cylinder is an executive component combining rotary action and linear pressing action, and is widely applied to the scenes of clamping, pressing, assembling and the like in automatic equipment. The existing rotary pressing cylinders can only rotate and press in a single direction, namely the existing rotary pressing cylinders can only press in a left-handed mode and a right-handed mode, the right-handed rotary pressing cylinders can only press in a rotating mode, the left-handed rotary pressing cylinders and the right-handed rotary pressing cylinders cannot be used instead, the existing rotary pressing cylinders have the following limitations that 1, for an application party, the problem of poor suitability exists, the prior type selection is needed according to the design requirements of equipment, namely the corresponding number of left-handed rotary pressing cylinders and right-handed rotary pressing cylinders are needed to be purchased respectively according to the design requirements of the equipment in advance, when the equipment layout is changed, the situation that the number of one type of rotary pressing cylinders is excessive, the number of the other type of rotary pressing cylinders is insufficient, the rotary pressing cylinders of the insufficient number of the type are not only needed to be purchased again, the number of the rotary pressing cylinders are wasted, and 2, for the production party, the production party is troublesome, the rotary pressing cylinders of the two types are needed to be produced respectively, and the stock production is not needed, and the stock is not produced is large. The utility model comprises the following steps: The utility model aims to provide the rotary pressing cylinder capable of rotating bidirectionally, which can press down in a rotating way leftwards or rightwards and has strong adaptability, the direction of the rotary pressing can be flexibly switched according to specific application scenes, the advanced selection is not needed, the device design is facilitated, only one model is produced, and the production and the reduction of stock pressure are facilitated. The technical scheme includes that the bidirectional rotary pressing cylinder comprises a cylinder body, a guide column and a piston pressing block assembly, wherein the guide column and the piston pressing block assembly are arranged in the cylinder body, the bidirectional rotary pressing cylinder is characterized in that the guide column is provided with a left-handed guide groove and a right-handed guide groove, the piston pressing block assembly comprises a guide pin matched with the left-handed guide groove or the right-handed guide groove, the guide column is further provided with a reversing channel for switching the guide pin between the left-handed guide groove and the right-handed guide groove, the guide column guides the piston pressing block assembly to perform leftward rotary pressing movement when the guide pin is arranged in the left-handed guide groove, and the guide column guides the piston pressing block assembly to perform rightward rotary pressing movement when the guide pin is arranged in the right-handed guide groove. According to the technical scheme, the left-handed guide groove comprises a left vertical downward pressing groove section in a vertical bar groove shape and a left spiral downward pressing groove section in a spiral groove shape, the top of the left vertical downward pressing groove section is communicated with the bottom of the left spiral downward pressing groove section, when the guide pin is positioned in the left vertical downward pressing groove section, the guide post guides the piston press block assembly to vertically press down, when the guide pin is positioned in the left spiral downward pressing groove section, the guide post guides the piston press block assembly to vertically press down, the right-handed guide groove comprises a right vertical downward pressing groove section in a vertical bar groove shape and a right spiral downward pressing groove section in a spiral groove shape, the top of the right vertical downward pressing groove section is communicated with the bottom of the right spiral downward pressing groove section, when the guide pin is positioned in the right vertical downward pressing groove section, the guide post guides the piston press block assembly to vertically press down, and when the guide pin is positioned in the right spiral downward pressing groove section, the guide post guides the piston press down assembly to vertically press down. The technical scheme is further improved in that the left spiral pressing groove section and