Quick-change cutting knife group structure of automatic bale breaker

Abstract

The utility model relates to the technical field of bale breakers, and discloses an automatic bale breaker quick-change cutting knife group structure which comprises a middle cutting knife group, a plurality of cutting knives, a first cutting knife group, a second cutting knife group and a third cutting knife group, wherein the middle cutting knife group comprises a middle shaft and a plurality of cutting knives fixedly arranged on the middle shaft; the bearing assemblies are detachably arranged at the two ends of the intermediate shaft; the gear motor is fixedly arranged on one side of any bearing assembly and used for driving the middle shaft to rotate. The connecting structure is arranged at the connecting position of the intermediate shaft and the bearing assembly and comprises two half-flange blocks matched with each other, the two half-flange blocks are fixedly arranged at the ends of the intermediate shaft and the bearing assembly respectively, a plurality of inserting plates arranged in the axial direction of the intermediate shaft are arranged on the half-flange blocks in an inserted mode, and the same inserting plate is inserted into the two half-flange blocks at the same time. Bolts for fixing the inserting plates are arranged on the side walls of the two half flange blocks and are perpendicular to the axial direction of the middle shaft. The utility model has the advantages that the fixing direction of the screw is changed, the dismounting space is large, and the safety is high.

Description

Technical Field

[0001] This utility model relates to the field of unpacking machine technology, specifically to a quick-change cutter assembly structure for an automatic unpacking machine. Background Technology

[0002] A packaging unpacking machine is a mechanical device used to open and separate various types of packaged materials. It is widely used in the chemical, building materials, food, and logistics warehousing industries. Packaging unpacking machines are generally classified into manually assisted unpacking machines, automatic cutter-type unpacking machines, negative pressure suction unpacking machines, and robotic arm unpacking machines. The automatic cutter-type unpacking machine mainly consists of a conveying device, a cutting device, and a material collection device. During operation, the packaged bags containing materials are first conveyed to the designated cutting position. The cutting device, according to a set program, uses a motor to drive the blades to rotate, precisely cutting the seal or specific parts of the packaging bag. Subsequently, the material falls from the opening into the collection container or conveying pipe below under the action of gravity or auxiliary vibration and pushing devices, continuing the subsequent process.

[0003] In existing automatic cutter-type unpacking machines, the intermediate shaft of the fixed cutter is connected to the bearing driven by the geared motor via a flange, which ensures connection stability and facilitates cutter replacement. However, in actual use, the screws at the flange connection need to be moved axially along the intermediate shaft of the cutter to be removed. Due to the presence of the cutter, the disassembly space is relatively limited, making operation inconvenient. Furthermore, due to thread resistance, it is difficult to stably control the disassembly force of the screws during disassembly. At the moment of removal, the sudden decrease in resistance can cause the screws to jerk towards the cutter, which can easily damage the cutter and poses a certain degree of danger. Utility Model Content

[0004] To solve the above-mentioned problems, this utility model proposes a quick-change cutter assembly structure for an automatic unpacking machine that changes the direction of screw fixing, has a large disassembly space, and is highly safe.

[0005] To solve the above-mentioned technical problems, the technical solution proposed by this utility model is: a quick-change cutter assembly structure for an automatic unpacking machine, comprising:

[0006] The intermediate cutter assembly includes an intermediate shaft and several cutters fixedly mounted on the intermediate shaft;

[0007] The bearing assembly is detachably located at both ends of the intermediate shaft;

[0008] A geared motor is fixedly mounted on one side of any bearing assembly to drive the intermediate shaft to rotate.

[0009] Connecting structure, be located in the middle shaft and bearing assembly connecting place, including two mutually cooperate half flange block, two half flange block is fixed in the middle shaft and bearing assembly end respectively, half flange block is inserted and is equipped with several along the middle shaft axial direction setting insert plate, same insert plate is inserted in two half flange block setting simultaneously, two half flange block side wall is equipped with the bolt of fixed insert plate, the bolt is perpendicular to the middle shaft axial direction setting.

[0010] Further, the half flange block protruding portion fixed on the bearing assembly is located at the rear side, and the half flange block protruding portion fixed on the intermediate shaft is located at the front side.

[0011] Further, the insert plates are arranged equidistantly around the half flange block.

[0012] Further, the half flange block is provided with an insertion slot for the insertion of the insert plate, and the insertion slots on the two half flange blocks of the same connecting structure are communicated and aligned.

[0013] Further, the end of the insert plate is fixedly provided with a handle ring, and the side wall of the handle ring is provided with a plurality of anti-skid lines.

[0014] Further, the side wall of the half flange block is provided with a sunken groove matched with the bolt.

[0015] Compared with the prior art, the connecting structure has the following advantages: when the intermediate shaft is connected with the bearing assembly, the two half flange blocks on the intermediate shaft and the bearing assembly are positioned axially by the insert plates, and then the insert plates are fixed by the bolts perpendicular to the axial direction of the intermediate shaft, so that the half flange blocks are stably fixed. When the bolts are disassembled, there is a large operating space in the direction of the bolts, which does not hinder the operation process due to the small space, greatly improves the convenience of disassembly, and there is no cutter in the disassembly direction of the bolt, the resistance of the insert plate when entering and exiting the half flange block is small and uniform and stable, which can effectively avoid damage to the cutter or injury caused by accidental touch of the cutter. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the utility model;

[0017] Figure 2 is a front view of the utility model;

[0018] Figure 3 is a top view of the utility model;

[0019] Figure 4 is a side view of the utility model;

[0020] Figure 5 is an enlarged view of part A of the utility model.

[0021] As shown in the figure: 1, intermediate shaft; 2, cutting knife; 3, bearing assembly; 4, speed reducer motor; 5, half flange block; 6, plugboard; 7, bolt; 8, handle ring. DETAILED DESCRIPTION

[0022] The utility model makes further detailed description in combination with the drawings below.

[0023] In combination with the drawings Figure 1 , the drawings Figure 3 , the drawings Figure 4 , a kind of quick-change cutting knife group structure of automatic unpacking machine, comprising: intermediate cutting knife group, including intermediate shaft 1 and the cutting knife 2 of being fixedly arranged on intermediate shaft 1;Bearing assembly 3, detachably arranged at the both ends of intermediate shaft 1;Speed reducer motor 4, fixedly arranged on the side of any bearing assembly 3 for driving intermediate shaft 1 rotation;Connecting structure, at the connecting place of intermediate shaft 1 and bearing assembly 3, including two mutually matched half flange blocks 5, two the half flange blocks 5 are respectively fixedly arranged on the end of intermediate shaft 1 and bearing assembly 3, the protruding portion of half flange block 5 fixedly arranged on bearing assembly 3 is located at rear side, the protruding portion of half flange block 5 fixedly arranged on intermediate shaft 1 is located at front side, it is convenient to distinguish installation direction, so that connecting structure is more directional when assembling, can be directly installed or removed from front side intermediate cutting knife group, can improve the accuracy and efficiency of installation.

[0024] In combination with the drawings Figure 5 , a plurality of plugboards 6 are inserted on the half flange block 5 along the axial direction of intermediate shaft 1, the plugboards 6 are equidistantly arranged around the half flange block 5, so that the connecting structure is more uniform in stress, in the working process of intermediate shaft 1 rotation, power can be stably transmitted, reliable operation of intermediate cutting knife group is ensured, and the risk of component damage caused by uneven stress is reduced.

[0025] In combination with the drawings Figure 5 , the same plugboard 6 is inserted into two half flange blocks 5, the half flange block 5 is provided with a plug slot for inserting the plugboard 6, and the plug slots on the two half flange blocks 5 of the same connecting structure are communicated and aligned, which facilitates the smooth installation of the plugboard 6, ensures the close cooperation of the two half flange blocks 5, enhances the stability of the connection between the intermediate shaft 1 and the bearing assembly 3, and guarantees the stable operation of the overall structure.

[0026] In combination with the drawings Figure 3 , the drawings Figure 5 , the bolt 7 for fixing the plugboard 6 is arranged on the side wall of the two half flange blocks 5, and the bolt 7 is arranged perpendicular to the axial direction of the intermediate shaft 1. The half flange block 5 is provided with a sunken groove matched with the bolt 7, so that the head of the bolt 7 does not protrude from the side wall of the half flange block 5, avoiding interference with the surrounding components, and also providing protection for the bolt 7, facilitating compact layout and stable operation of the overall structure.

[0027] In combination with the drawings Figure 2The handle ring 8 is provided with a plurality of anti-skid lines on the side wall, which facilitates the operator to plug and unplug the plug-in plate 6, and can more conveniently operate the connecting structure during the quick change of the cutter group and the like, improves the work efficiency, and the anti-skid lines can prevent the hand from slipping.

[0028] The specific implementation of the utility model: when installing, the two ends of the middle shaft 1 of the middle cutter group are prepared to be connected with the bearing assembly 3. The half flange block 5 fixedly arranged at the end of the middle shaft 1 is placed in correspondence with the half flange block 5 arranged at the end of the bearing assembly 3, the protruding parts of the two are placed according to the required front and rear positions and are tightly fitted, that is, the protruding part of the half flange block 5 fixedly arranged on the bearing assembly 3 is located at the rear side, and the protruding part of the half flange block 5 fixedly arranged on the middle shaft 1 is located at the front side. Then, the plug-in plate 6 is inserted along the plug-in slot communicated and aligned on the half flange block 5, so that the same plug-in plate 6 penetrates through the two half flange blocks 5 at the same time, and the plug-in plate 6 is arranged equidistantly around the half flange block 5 to ensure uniform stress, and after being inserted, the plug-in plate 6 is fixed by the bolt 7 on the side wall, and the bolt 7 is screwed into the matching sinking groove in the side wall of the half flange block 5. Then, the speed reducer motor 4 is fixedly installed on one side of any bearing assembly 3, so as to be in transmission connection with the middle shaft 1, and to be prepared to drive the middle shaft 1 to rotate to drive the cutter 2 to work. When it is necessary to replace the cutter group, the handle ring 8 with the anti-skid lines at the end of the plug-in plate 6 is held, the bolt 7 is unscrewed, and the plug-in plate 6 is pulled out, so that the connection between the middle shaft 1 and the bearing assembly 3 can be disassembled, and subsequent replacement operation can be performed.

[0029] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, and for ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0030] The utility model and its implementation have been described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if the ordinary skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A quick-change cutting knife assembly structure of an automatic bale opener, characterized in that, The utility model relates to a cutting machine, including: a middle cutter group, including a middle shaft (1) and a plurality of cutters (2) fixed on the middle shaft (1); a bearing assembly (3) detachably arranged at both ends of the middle shaft (1); a speed reducer motor (4) fixed on one side of any bearing assembly (3) for driving the middle shaft (1) to rotate; a connecting structure arranged at the connection between the middle shaft (1) and the bearing assembly (3), including two half-lug blocks (5) matched with each other, the two half-lug blocks (5) are respectively fixed on the end of the middle shaft (1) and the bearing assembly (3), a plurality of insertion plates (6) arranged along the axial direction of the middle shaft (1) are inserted on the half-lug blocks (5), the same insertion plate (6) is inserted into the two half-lug blocks (5) at the same time, the side wall of the two half-lug blocks (5) is respectively provided with a bolt (7) for fixing the insertion plate (6), and the bolt (7) is arranged perpendicular to the axial direction of the middle shaft (1).

2. The quick-change cutting knife assembly structure of an automatic bale opener according to claim 1, characterized in that: The protruding part of the half-lug block (5) fixed on the bearing assembly (3) is located at the rear side, and the protruding part of the half-lug block (5) fixed on the middle shaft (1) is located at the front side.

3. The quick-change cutting knife assembly structure of an automatic bale opener according to claim 1, characterized in that: The insertion plates (6) are equidistantly arranged around the half-lug blocks (5).

4. The quick-change cutting knife assembly structure of an automatic bale opener according to claim 1, characterized in that: The half-lug blocks (5) are provided with insertion grooves for the insertion of the insertion plates (6), and the insertion grooves on the two half-lug blocks (5) of the same connecting structure are communicated and aligned.

5. The quick-change cutting knife assembly structure of an automatic bale opener according to claim 1, characterized in that: The end of the insertion plate (6) is fixedly provided with a handle ring (8), and the side wall of the handle ring (8) is provided with a plurality of anti-skid lines.

6. The quick-change cutting knife assembly structure of an automatic bale opener according to claim 1, characterized in that: The side wall of the half-lug block (5) is provided with a sunken groove matched with the bolt (7).

Images