A large shaft tube stepping mechanism

Abstract

The present invention discloses a large-scale axle tube stepping mechanism, comprising a fixed frame, the bottom end of the fixed frame is provided with a plurality of evenly arranged supporting feet, the top of the fixed frame is symmetrically provided with two sets of guide plates, the guide plates are obliquely provided with guide grooves, four support rods are symmetrically provided at the four corners of the top of the fixed frame, the inner sides of the support rods are provided with slide rails, a vertical lifting frame is slidably connected between the slide rails, the left and right ends of the vertical lifting frame are provided with roller groups that are compatible with the slide rails, and the bottom end of the vertical lifting frame is symmetrically provided with vertical lifting frame connecting ribs. The internal mechanism of the present invention adopts a hydraulic system as the power, has a strong bearing capacity, stable mechanism performance, can meet the needs of large-scale axle tubes, has precise control, simple mechanism, easy operation, easy maintenance, and greatly improves the application range of axle tubes.

Description

Technical Field

[0001] The invention relates to the technical field of stepping feeding mechanisms, in particular to a large-scale shaft tube stepping mechanism. Background Art

[0002] During the production and processing of large shaft tubes, a stepping transfer mechanism is required to transfer their displacement. Similar products on the market currently generally use cam eccentric structures, connecting rod mechanisms or cylinder stepping mechanisms. However, due to structural limitations, they are generally suitable for small shaft tubes below φ100mm and shaft tubes weighing no more than 50kg. They cannot meet the needs of large shaft tubes, and the stepping distance is short. Multiple feedings are required to complete the entire feeding process. In addition, a loud impact sound will be generated during the stepping transfer operation, and the noise pollution of the equipment is relatively serious. Summary of the invention

[0003] The purpose of the present invention is to provide a large-scale shaft tube stepping mechanism to solve the problems raised in the above-mentioned background technology.

[0004] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The top end of the horizontal transverse moving frame is symmetrically provided with a horizontal transverse moving frame connecting ribs, and the horizontal transverse moving frame connecting ribs are provided with a horizontal transverse moving rolling groove adapted for the connecting sleeve, and the connecting sleeve is slidably connected to the horizontal transverse moving rolling groove. The top end of the horizontal transverse moving frame is symmetrically provided with a plurality of evenly arranged movable supporting cards, a horizontal cross bar is provided at the middle position of the horizontal transverse moving frame, a connecting seat is provided at the left end of the horizontal cross bar, a mounting rod is provided at the middle position of the vertical lifting frame, a horizontal driving hydraulic rod is provided between the mounting rod and the connecting seat, an upper fixed frame is provided at the top of the support rod, the upper fixed frame is provided at the inner side of the horizontal transverse moving frame, and a plurality of fixed supporting cards symmetrically provided at the top of the upper fixed frame are provided.

[0005] Preferably, contact pads are provided at the tops of the fixed supporting card and the movable supporting card, and the material of the contact pads is silicone.

[0006] Preferably, a ball bearing that matches the driving rod is provided in the vertical lifting rolling groove.

[0007] Preferably, a mounting plate is provided at the bottom end of the support leg, mounting screw holes are provided on the mounting plate, and a buffer pad made of polyurethane is hot-melt-glued to the bottom end of the mounting plate.

[0008] Preferably, the guide plate is detachably connected to the fixed frame by bolts.

[0009] Preferably, the distance between the movable supporting cards is equal to the distance between the fixed supporting cards.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The internal mechanism of the present invention adopts a hydraulic system as power, has strong bearing capacity, stable mechanism performance, can meet the needs of large shaft tubes, has precise control, simple mechanism, easy operation and easy maintenance; the application scope of the present invention is greatly improved, the applicable diameter range of the shaft tube is expanded to: φ100mm<X<φ200mm, the length range is: 1500mm<L<30000mm, the workpiece weight range is: large shaft tubes of 50~300KG, the feeding step distance can be adjusted within the range of 500~1000mm, and very little sound is generated during operation, only the contact sound of discharging, no impact sound, low noise, effectively enhancing the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention.

[0013] Figure 2 It is a front view structural schematic diagram of the present invention.

[0014] Figure 3 It is a schematic diagram of the bottom structure of the present invention.

[0015] Figure 4 It is a schematic diagram of the half-section structure of the present invention.

[0016] In the figure: 1. fixed frame; 11. support foot; 2. support rod; 21. slide rail; 3. guide plate; 31. guide groove; 4. horizontal transverse frame; 41. horizontal transverse frame connecting rib; 411. horizontal transverse rolling groove; 42. movable supporting card; 43. horizontal cross bar; 431. connecting seat; 5. upper fixed frame; 51. fixed supporting card; 6. vertical drive hydraulic rod; 7. drive frame; 71. bearing seat; 8. drive rod; 81. connecting sleeve; 9. vertical lifting frame; 91. vertical lifting frame connecting rib; 911. vertical lifting rolling groove; 92. roller group; 93. mounting rod; 10. horizontal drive hydraulic rod. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0021] See also Figure 1-4, an embodiment of a large-scale shaft tube stepping mechanism provided by the present invention: a large-scale shaft tube stepping mechanism, comprising a fixed frame 1, a plurality of evenly arranged support legs 11 are arranged at the bottom end of the fixed frame 1, a mounting plate is arranged at the bottom end of the support legs 11, a mounting screw hole is arranged on the mounting plate, a buffer pad made of polyurethane is hot-melt-glued at the bottom end of the mounting plate, two groups of guide plates 3 are symmetrically arranged at the top of the fixed frame 1, the guide plates 3 are detachably connected to the fixed frame 1 by bolts, a guide groove 31 is obliquely arranged on the guide plate 3, four support rods 2 are symmetrically arranged at the four corners of the top end of the fixed frame 1, and a slide rail is arranged on the inner side of the support rod 2 21, a vertical lifting frame 9 is slidably connected between the slide rails 21, and roller groups 92 that are compatible with the slide rails 21 are arranged at both ends of the vertical lifting frame 9, and a vertical lifting frame connecting rib 91 is symmetrically arranged at the bottom end of the vertical lifting frame 9, and a vertical lifting rolling groove 911 is symmetrically arranged on the vertical lifting frame connecting rib 91, and a driving rod 8 is rotatably connected in the vertical lifting rolling groove 911, and a ball bearing that is compatible with the driving rod 8 is arranged in the vertical lifting rolling groove 911, and a bearing seat 71 is symmetrically sleeved on the outer side of the driving rod 8, and the bottom end of the bearing seat 71 is fixedly connected to the driving frame 7, and the left side of the driving frame 7 A vertical driving hydraulic rod 6 is arranged between the end and the fixed frame 1, and a connecting sleeve 81 is symmetrically arranged at the front and rear ends of the driving rod 8, and the connecting sleeve 81 is slidably connected to the guide groove 31 on the guide plate 3. A horizontal traverse frame 4 is arranged on the inner side of the guide plate 3, and a horizontal traverse frame connecting rib 41 is symmetrically arranged at the bottom end of the horizontal traverse frame 4, and a horizontal traverse rolling groove 411 adapted to the connecting sleeve 81 is arranged on the horizontal traverse frame connecting rib 41, and the connecting sleeve 81 is slidably connected to the horizontal traverse rolling groove 411, and a plurality of evenly arranged active supporting cards 42 are symmetrically arranged at the top end of the horizontal traverse frame 4 ... A horizontal cross bar 43 is provided at the middle position, a connecting seat 431 is provided at the left end of the horizontal cross bar 43, a mounting rod 93 is provided at the middle position of the vertical lifting frame 9, a horizontal driving hydraulic rod 10 is provided between the mounting rod 93 and the connecting seat 431, an upper fixed frame 5 is provided at the top of the support rod 2, the upper fixed frame 5 is provided on the inner side of the horizontal transverse frame 4, a plurality of front-to-back symmetrical fixed supporting cards 51 are provided at the top of the upper fixed frame 5, the distance between the movable supporting cards 42 is equal to the distance between the fixed supporting cards 51, and contact pads are provided at the tops of the fixed supporting cards 51 and the movable supporting cards 42, and the material of the contact pads is silicone.

[0022] Working principle: When the present invention is in use, it is necessary to have a simple structural understanding of the present invention. When the present invention is in use, the rear end of the vertical driving hydraulic rod 6 is connected to the fixed frame 1, and the front end is connected to the driving frame 7, which is used to push the driving frame 7 to move left and right. The driving rod 8 raises the bearing seat 71 and is fixed on the driving frame 7. Since the vertical lifting frame 9 is connected to the driving rod 8 through the vertical lifting rolling groove 911 on the vertical lifting frame connecting rib 91 at the bottom, the roller groups 92 at both ends of the vertical lifting frame 9 are in contact with the slide rail 21 on the inner side of the support rod 2 on the fixed frame 1, and play a guiding role during lifting; the upper end of the vertical lifting rolling groove 911 is in contact with the outer cylindrical end surface of the connecting sleeve 81, and the vertical lifting frame 9 is driven to move up and down when the mechanism is working; the upper end of the horizontal lateral moving rolling groove 411 on the horizontal lateral moving frame 4 is in contact with the outer cylindrical end surface of the connecting sleeve 81, and the horizontal driving hydraulic rod 10 pushes the horizontal lateral moving frame 4 to move back and forth during operation. , the rear end of the horizontal driving hydraulic rod 10 is fixed on the mounting rod 93 of the vertical lifting frame 9, and the front end is connected to the horizontal transverse frame 4. During operation, in the rising stage: the shaft tube is first placed on the fixed supporting card 51, and the shaft tube stepping mechanism receives the signal and the vertical driving hydraulic rod 6 operates, driving the vertical lifting frame 9 to start rising, and the vertical lifting frame 9 rises and drives the horizontal transverse frame 4 to rise, and the movable supporting card 42 holds up the shaft tube; forward movement stage: after detecting that the rising is in place, the horizontal driving hydraulic rod 10 pushes the horizontal transverse frame 4 forward, and the movable supporting card 42 drives the shaft tube forward, and the descending stage: after the forward movement is in place, the vertical driving hydraulic rod 6 is recovered to drive the vertical lifting frame 9 to start descending, and the horizontal transverse frame 4 also descends, and the shaft tube on the movable supporting card 42 is placed on the next fixed supporting card 51; backward movement stage: the horizontal driving hydraulic rod 10 pushes the horizontal transverse frame 4 to move backward and return to the initial position, and the entire working cycle is completed.

[0023] The above is only an embodiment of the present invention, and the common sense such as the known specific structure and characteristics in the scheme is not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A large-scale shaft tube stepping mechanism, comprising a fixed frame (1), characterized in that: The bottom end of the fixed frame (1) is provided with a plurality of evenly arranged supporting feet (11); the top end of the fixed frame (1) is symmetrically provided with two groups of guide plates (3); the guide plates (3) are obliquely provided with guide grooves (31); four support rods (2) are symmetrically provided at the four corners of the top end of the fixed frame (1); the inner sides of the support rods (2) are provided with slide rails (21); vertical lifting frames (9) are slidably connected between the slide rails (21); the left and right ends of the vertical lifting frame (9) are provided with roller groups (92) that are mutually compatible with the slide rails (21); the vertical lifting frame (9) is provided with a plurality of evenly arranged supporting feet (11); the left and right ends of the vertical lifting frame (9) are provided with roller groups (92) that are mutually compatible with the slide rails (21); the vertical lifting frame (9) is provided with a plurality of guide plates (31) that are symmetrically provided at the top and the bottom ends of the fixed frame (1); the vertical lifting frame (9) is provided with a plurality of guide plates (31) that are mutually compatible with the slide rails (2 ... The bottom end of the lifting frame (9) is symmetrically provided with a vertical lifting frame connecting rib (91) in the front and rear directions, and the vertical lifting frame connecting rib (91) is symmetrically provided with a vertical lifting rolling groove (911) in the left and right directions. A driving rod (8) is rotatably connected in the vertical lifting rolling groove (911), and a bearing seat (71) is symmetrically sleeved on the outer side of the driving rod (8), and the bottom end of the bearing seat (71) is fixedly connected with a driving frame (7), and a vertical driving hydraulic rod (6) is provided between the left end of the driving frame (7) and the fixed frame (1), and connecting rods (8) are symmetrically provided at the front and rear ends. A connecting sleeve (81), the connecting sleeve (81) is slidably connected to the guide groove (31) on the guide plate (3), a horizontal transverse frame (4) is arranged inside the guide plate (3), a horizontal transverse frame connecting rib (41) is symmetrically arranged at the bottom end of the horizontal transverse frame (4), a horizontal transverse rolling groove (411) adapted to the connecting sleeve (81) is arranged on the horizontal transverse rolling groove (411), the connecting sleeve (81) is slidably connected to the horizontal transverse rolling groove (411), and a plurality of evenly arranged movable supporting cards are symmetrically arranged at the top end of the horizontal transverse frame (4). (42), a horizontal cross bar (43) is arranged in the middle position of the horizontal transverse frame (4), a connecting seat (431) is arranged at the left end of the horizontal cross bar (43), a mounting rod (93) is arranged in the middle position of the vertical lifting frame (9), a horizontal driving hydraulic rod (10) is arranged between the mounting rod (93) and the connecting seat (431), an upper fixed frame (5) is arranged at the top end of the support rod (2), the upper fixed frame (5) is arranged on the inner side of the horizontal transverse frame (4), and a plurality of fixed supporting cards (51) symmetrically arranged in front and back are arranged at the top end of the upper fixed frame (5).

2. A large-scale shaft tube stepping mechanism according to claim 1, characterized in that: The tops of the fixed supporting card (51) and the movable supporting card (42) are both provided with contact pads, and the material of the contact pads is silica gel.

3. A large-scale shaft tube stepping mechanism according to claim 1, characterized in that: A ball bearing that matches the driving rod (8) is arranged in the vertical lifting rolling groove (911).

4. A large-scale shaft tube stepping mechanism according to claim 1, characterized in that: A mounting plate is provided at the bottom end of the support leg (11), mounting screw holes are provided on the mounting plate, and a buffer pad made of polyurethane is hot-melt-glued to the bottom end of the mounting plate.

5. The large-scale shaft tube stepping mechanism according to claim 1, characterized in that: The guide plate (3) is detachably connected to the fixed frame (1) via bolts.

6. A large-scale shaft tube stepping mechanism according to claim 1, characterized in that: The distance between the movable supporting cards (42) is equal to the distance between the fixed supporting cards (51).

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