CN221157036U - Welded shredder arbor subassembly - Google Patents

Abstract

The utility model discloses a cutter shaft assembly of a welding shredder, which relates to the technical field of cutter shafts and comprises a hollow shaft barrel, wherein inner stepped grooves are formed in the inner walls of the two ends of the shaft barrel, a shaft head is fixedly connected in the inner stepped grooves, one end of the shaft head is provided with a pin hole penetrating through the shaft barrel, a cylindrical pin is in interference fit in the pin hole, the outer wall of the shaft barrel is arranged in a hexagonal shape, a cutter holder is fixedly connected to the outer wall of the shaft barrel, and a hexagonal hole corresponding to the outer wall of the shaft barrel is formed in the inner annular surface of the cutter holder. According to the cutter shaft assembly of the welding shredder, the shaft heads at the two ends are welded in the shaft cylinder, so that the whole shaft is prevented from being used for processing, the load of the main shaft can be reduced, the operation efficiency is improved, the shaft cylinder is welded on the shaft heads, the cylindrical pins are also arranged at the joint of the shaft cylinder and the shaft heads for fixing, and the welding fixation is parallel to the fixing of the pin shafts, so that the connection firmness and reliability are improved, and the transmission of larger torque is ensured.

Description

Welded shredder arbor subassembly

Technical Field

The utility model relates to the technical field of cutter shafts, in particular to a cutter shaft assembly of a welding shredder.

Background

Many materials in industry need to be processed, treated or recycled, and thus, a shredder is needed to crush the materials, and the shredder is a machine used for coarse crushing, and is generally used for treating unprocessed raw materials or leftover materials, so that the size of the raw materials or leftover materials is finer. The shredder is applied to the plastic recycling industry, is commonly used for crushing waste large-caliber PE plastic pipes, bundled and packed plastic films, large stacks of plastic sheets and machine head materials, a cutter shaft assembly of the shredder can be said to be a core component of the shredder, a cutter shaft is generally formed by integrally casting, the problems of heavy weight and large main shaft load are caused, and the motor can possibly overheat, burn out or reverse rotation and other faults due to long-time crushing operation;

When the split type shaft body is adopted, although the load is reduced, the fastener at the joint can be loosened due to long-time crushing operation, so that the cutter rollers can shake during working, the distance between two adjacent cutter rollers can be increased, and the crushing effect is finally affected.

In chinese patent publication No.: the utility model discloses a shredder arbor in CN216322409U, the structure includes the arbor body, the arbor body is equipped with the bull stick, the bull stick alternates there is a plurality of evenly distributed cutter in the side, cutter body coupling has a plurality of bellied tool bits that make progress, the tool bit is at the annular evenly distributed of cutter side, one of them side syntropy of tool bit is connected with bellied lug, lug one side is equipped with the gas pocket that leads to the tool bit opposite side. The cutter shaft of the shredder is provided with the rotating rod and the cutter head, so that the strength during crushing is ensured, the integral rotating shaft is used, the integral weight is large, the load of the main shaft is increased, the motor can possibly overheat, burn out or reverse rotation and other faults due to long-time crushing operation, and the production and maintenance cost is increased.

Accordingly, there is a need for a welded shredder arbor assembly that addresses the foregoing issues.

Disclosure of utility model

(One) solving the technical problems

The utility model aims at: in order to solve the problems set forth in the background art, the present utility model provides a welded shredder arbor assembly.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a welding shredder arbor subassembly, includes hollow axle section of thick bamboo, interior ladder groove has been seted up to the both ends inner wall of axle section of thick bamboo, interior ladder inslot fixedly connected with spindle nose, the pinhole that runs through to the axle section of thick bamboo has been seted up to the one end of spindle nose, interference fit has the cylindric lock in the pinhole, the outer wall of axle section of thick bamboo sets up to the hexagonal form, fixedly connected with blade holder on the outer wall of axle section of thick bamboo, the interior ring face of blade holder is provided with the hexagonal hole that corresponds with the axle section of thick bamboo outer wall.

Preferably, annular fixing rings are arranged on two sides of the outer wall of the tool apron, one fixing ring is provided with a clamping edge, and the clamping edge is fixedly connected with a tool bit.

Preferably, one end of the cutter head is provided with symmetrical cutting teeth, and the other end of the cutter head is provided with a clamping groove corresponding to the clamping edge.

Preferably, reinforcing rib plates are fixedly connected between the fixing rings symmetrically, and bolt holes penetrating through the cutter head are formed in the fixing rings.

Preferably, a plurality of the tool holders are sleeved on the shaft barrel through threaded wires, and adjacent tool holders are connected through bolt holes in a bolt mode.

Preferably, an outer stepped groove is formed in the outer wall of the shaft head, a bearing is in interference fit with the outer stepped groove, and a plurality of outer stepped grooves are formed in one of the shaft heads.

Preferably, the fixing rings on the two ends of the shaft cylinder are not provided with bolt holes.

Compared with the prior art, the utility model has the beneficial effects that:

1. The shaft heads at two ends are welded in the shaft cylinder, so that the whole shaft is prevented from being machined, the load of the main shaft can be reduced, the running efficiency is improved, the shaft cylinder is welded on the shaft heads, the cylindrical pins are fixed at the joint, and the two modes of welding fixation and pin shaft fixation are adopted in parallel, so that the firmness and reliability of connection are improved, the transmission of larger torque is ensured, and the looseness of the joint can be prevented.

2. The tool bit is fixed in on the card limit through the draw-in groove, is in the same place solid fixed ring and other blade holders through the bolt, will connect the blade holder welding that is in the same place on a section of thick bamboo after fixed, welds the tool bit on the blade holder, adopts welded fastening and bolt fastening mode parallel, has improved fastness and reliability when a plurality of tool bits use, can keep its intensity when smashing the object, is difficult for droing.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 3 is a side perspective view of the structure of the present utility model;

FIG. 4 is a schematic view of the connection structure between the fixing ring and the tool bit in the present utility model;

FIG. 5 is a schematic view of the connection structure of the center shaft barrel and the shaft head of the present utility model;

FIG. 6 is a perspective view of a bottom bracket shell according to the present utility model;

fig. 7 is a schematic perspective view of a shaft head in the present utility model.

Reference numerals:

100. A shaft cylinder; 101. an inner stepped groove; 102. a shaft head; 103. a pin hole; 104. a cylindrical pin; 105. a tool apron; 106. a hexagonal hole; 107. a fixing ring; 108. clamping edges; 109. a cutter head; 110. cutting teeth; 111. a clamping groove; 112. reinforcing rib plates; 113. bolt holes; 114. an outer stepped groove; 115. and (3) a bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a cutter shaft assembly of a welding shredder includes a hollow shaft barrel 100, two end shaft heads 102 are clamped and embedded in the shaft barrel 100, a whole shaft is prevented from being machined, the load of the main shaft is reduced, the running efficiency is improved, the production and manufacturing cost is also reduced, an inner stepped groove 101 is formed in the inner walls of the two ends of the shaft barrel 100, the inner stepped groove 101 is used for determining the position of the shaft heads 102, when the shaft heads 102 are located in the inner stepped groove 101, the cylindrical pins 104 can be inserted into pin holes 103 on the shaft barrel 100 and the shaft heads 102 only by rotating the shaft heads 102, so that the shaft heads 102 are fixedly connected in the inner stepped groove 101, the shaft heads 102 and the shaft barrel 100 are fixed through the cylindrical pins 104 and welding, the load can be reduced, the firmness and the reliability of the connection can be guaranteed, the cylindrical pins 104 are arranged in the pin holes 103 in an interference fit mode, the connection between the shaft heads 102 and the shaft barrel 100 is prevented, the firmness after welding can be enhanced, the outer wall of the shaft barrel 100 is arranged to be a six-edge cutter seat 105, and the six-shaped cutter seat 105 can be rotated on the outer wall of the shaft barrel 100, and the six-shaped cutter seat 105 can be rotated on the outer wall of the shaft barrel 100.

Referring to fig. 5-7, the shaft head 102 is inserted into the inner stepped groove 101, and after the shaft cylinder 100 and the shaft head 102 are fixed by the cylindrical pin 104, the joint between the shaft cylinder 100 and the shaft head 102 is welded, so that stability is improved.

Specifically, referring to fig. 4, annular fixing rings 107 are arranged on two sides of the outer wall of the tool holder 105, the fixing rings 107 on two sides can connect the tool holders 105 in an end-to-end mode, so that the tool holder is fixed through bolts, clamping edges 108 are formed in one fixing ring 107, tool bits 109 are fixedly connected to the clamping edges 108, the clamping edges 108 facilitate the installation of the tool bits 109, and the tool holders are fixed through bolts.

Specifically, referring to fig. 4, one end of the cutter head 109 is provided with symmetrical cutting teeth 110, the symmetrical cutting teeth 110 can increase the crushing capability of the device, and the other end of the cutter head 109 is provided with a clamping groove 111 corresponding to the clamping edge 108, so that the firmness in welding can be increased after clamping.

Specifically, referring to fig. 2 and 4, reinforcing rib plates 112 are fixedly connected between the symmetrical fixing rings 107, the reinforcing rib plates 112 can strengthen the overall strength during crushing, bolt holes 113 penetrating through the cutter head 109 are formed in the fixing rings 107, and two adjacent cutter holders 105 can be connected together through the fixing rings 107 by the bolt holes 113.

Specifically, referring to fig. 1 and 2, the plurality of tool holders 105 are coupled to the shaft tube 100 by screw threads, adjacent tool holders 105 are bolted to each other through bolt holes 113, and the plurality of tool holders 105 are mounted to the shaft tube 100 by rotating at a certain angle, so that the crushing capability during rotation can be increased.

Specifically, referring to fig. 5 and 7, an outer stepped groove 114 is formed on an outer wall of the shaft head 102, a bearing 115 is in interference fit with the outer stepped groove 114, a plurality of outer stepped grooves 114 are formed on one of the shaft heads 102, the outer stepped groove 114 is used for installing the bearing 115, and one end of the shaft head 102 with the plurality of outer stepped grooves 114 is used for connecting a speed reducer and a motor.

Specifically, referring to fig. 1 and 3, the fixing rings 107 on both ends of the shaft cylinder 100 are not provided with the bolt holes 113, and both ends are not provided with the bolt holes 113, so that the tool holder 105 and the shaft cylinder 100 can be welded together conveniently.

In the embodiment, the production mode is that the shaft head 102 is installed in the inner stepped groove 101 in the shaft barrel 100, the cylindrical pin 104 is inserted into the pin hole 103 shared by the shaft barrel 100 and the shaft head 102 for fixing, and the joint of the shaft barrel 100 and the shaft head 102 is welded, so that the load of a main shaft can be reduced, the operation efficiency is improved, the connection firmness and reliability are also improved, and the transmission of larger torque is ensured;

The cutter head 109 is clamped on the clamping edge 108 through the clamping groove 111, the plurality of cutter holders 105 are sleeved on the shaft tube 100 through a certain angle of rotation of a thread wire, two adjacent cutter holders 105 are fixed through bolts, the fixed cutter holders are welded on the shaft tube 100, and the cutter holders 105 and the cutter head 109 are welded, so that firmness is enhanced.

The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.

Claims (7)

1. A welded shredder arbor assembly comprising a hollow arbor barrel (100), characterized in that: inner stepped grooves (101) are formed in the inner walls of the two ends of the shaft barrel (100), shaft heads (102) are fixedly connected in the inner stepped grooves (101), pin holes (103) penetrating through the shaft barrel (100) are formed in one ends of the shaft heads (102), cylindrical pins (104) are arranged in the pin holes (103) in an interference fit mode, tool holders (105) are fixedly connected to the outer walls of the shaft barrel (100), and hexagonal holes (106) corresponding to the outer walls of the shaft barrel (100) are formed in the inner annular surfaces of the tool holders (105).

2. The welded shredder arbor assembly of claim 1, wherein: annular fixing rings (107) are arranged on two sides of the outer wall of the tool apron (105), clamping edges (108) are arranged on one fixing ring (107), and tool bits (109) are fixedly connected to the clamping edges (108).

3. The welded shredder arbor assembly of claim 2, wherein: one end of the cutter head (109) is provided with symmetrical cutting teeth (110), and the other end of the cutter head (109) is provided with a clamping groove (111) corresponding to the clamping edge (108).

4. The welded shredder arbor assembly of claim 2, wherein: reinforcing rib plates (112) are fixedly connected between the fixing rings (107), and bolt holes (113) penetrating through the cutter head (109) are formed in the fixing rings (107).

5. The welded shredder arbor assembly of claim 4, wherein: the plurality of tool holders (105) are sleeved on the shaft barrel (100) through screw threads, and the adjacent tool holders (105) are connected through bolt holes (113) through bolts.

6. The welded shredder arbor assembly of claim 1, wherein: an outer stepped groove (114) is formed in the outer wall of the shaft head (102), a bearing (115) is in interference fit with the outer stepped groove (114), and a plurality of outer stepped grooves (114) are formed in one shaft head (102).

7. The welded shredder arbor assembly of claim 6, wherein: the fixing rings (107) on the two ends of the shaft cylinder (100) are not provided with bolt holes (113).