CN114178403B - Automatic assembly mechanism of paper shredding knife rod assembly for continuous stamping die - Google Patents
Automatic assembly mechanism of paper shredding knife rod assembly for continuous stamping die Download PDFInfo
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- CN114178403B CN114178403B CN202111451949.XA CN202111451949A CN114178403B CN 114178403 B CN114178403 B CN 114178403B CN 202111451949 A CN202111451949 A CN 202111451949A CN 114178403 B CN114178403 B CN 114178403B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 60
- 230000000149 penetrating effect Effects 0.000 claims abstract description 116
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000007306 turnover Effects 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 206010024796 Logorrhoea Diseases 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/60—Making other particular articles cutlery wares; garden tools or the like
- B21D53/64—Making other particular articles cutlery wares; garden tools or the like knives; scissors; cutting blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an automatic assembly mechanism of a paper shredding cutter rod assembly for a continuous stamping die, which comprises at least one paper shredding cutter blade continuous stamping die and an automatic rod penetrating mechanism, wherein the paper shredding cutter blade continuous stamping die is in transmission connection with the automatic rod penetrating mechanism through a channel belt; the inside of the blade conveying channel is provided with a paper shredding blade conveying and positioning structure matched with the paper shredding blade conveying and positioning structure. Compared with the prior art, the continuous stamping die with the paper shredding blade is output and connected through the channel belt with the transmission positioning structure, the formed paper shredding blade is continuously and automatically assembled, paper shredding blade transfer storage and manual assembly are avoided, and the assembly efficiency of the paper shredding cutter bar is greatly improved.
Description
Technical Field
The invention relates to the technical field of paper shredder production equipment, in particular to an automatic assembly mechanism of a paper shredding knife rod assembly for a continuous stamping die.
Background
In the prior art, a pair of cutter bars are arranged in a paper shredder, a plurality of groups of paper shredding blades are arranged on a bar body of each cutter bar at intervals, two paper shredding blades are clung back to back and the cutter tips are overlapped to form a blade group, the blade groups on the two cutter bars are mutually staggered and meshed, and the blade group of one cutter bar is staggered and sheared and matched with the corresponding blade group of the other cutter bar. The middle part of the paper shredding blade is provided with a central hole with an equilateral shape, the blade is penetrated through the central hole to form a cutter bar shaft with a corresponding equilateral shape, and a spacing ring made of plastic is required to be penetrated between two adjacent groups of paper shredding blades for spacing the paper shredding blades; in addition, in the same cutter bar, the cutter blade groups are arranged in a staggered mode at equal angles, so that the cutter tips of the cutter blade groups on the cutter bar are respectively meshed with paper in sequence in the paper shredding process, and the meshing reaction force of the cutter bar is avoided.
The assembly of the paper shredding cutter bar is generally completed manually, specifically, the cutter bar shaft is held by a hand to carry out cutter blade threading, or the cutter bar shaft is fixed by a tool to carry out manual cutter blade threading. The common paper shredding cutter bar comprises various assembly parts such as blades, spacer rings, gaskets and the like with different types for threading assembly, and the different parts need to be in threading assembly according to a set assembly sequence, so that the error assembly is easy to occur, and reworking and reloading are easy to occur; in addition, various accessories need to be manually picked during assembly, which has great operation requirements for operators, and the operators need to be familiar with the assembly sequence of the paper shredding cutter bar and know and distinguish the various accessories, so that enterprises need to bear great on-duty training cost.
In the prior art, the paper shredding cutter bar assembly auxiliary equipment is used for manually penetrating the paper shredding cutter bar assembly auxiliary equipment, the cutter bar shaft is positioned by the assembly auxiliary equipment, and the cutter bar shaft is driven to rotate at equal intervals, so that an auxiliary operator can change the assembly angle of the paper shredding cutter blade group, but the problem of low efficiency of manual assembly can not be overcome all the time, the problem of assembly errors is easy to occur in the continuous operation process, and the reworking difficulty is higher.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an automatic assembly mechanism of a paper shredding knife rod assembly for a continuous stamping die, which can form a paper shredding knife rod continuous production line with paper shredding knife blade continuous stamping die equipment, avoids manual assembly and realizes full-automatic assembly of the paper shredding knife rod.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the automatic assembly mechanism of the paper shredding knife rod assembly for the continuous stamping die comprises at least one group of paper shredding knife blade continuous stamping dies capable of outputting one paper shredding knife blade or two paper shredding knife blades simultaneously and an automatic rod penetrating mechanism, wherein the paper shredding knife blade continuous stamping dies are in transmission connection with the automatic rod penetrating mechanism through a channel belt; the inside of the blade conveying channel is provided with a paper shredding blade conveying and positioning structure matched with the paper shredding blade conveying and positioning structure.
In a further technical scheme, the paper shredding blade transmission positioning structure comprises a directional groove arranged in the blade conveying channel, a protrusion is formed on the back surface of the paper shredding blade, and the protrusion is matched with the directional groove in a sliding guide manner.
In a further technical scheme, the automatic assembly mechanism comprises two continuous stamping dies for the paper shredding blades, wherein the continuous stamping dies respectively form and output two paper shredding blades of the same paper shredding blade group, the continuous stamping dies for the paper shredding blades are respectively connected with the automatic rod penetrating mechanism through a channel belt in a transmission way, any channel belt of the two channel belts is in 8-degree overturning arrangement, or the two channel belts are respectively in 9-degree overturning arrangement, the output ends of the two channel belts are combined and aligned to form a paper shredding blade output part, and the paper shredding blade output part is connected with the automatic rod penetrating mechanism.
In a further technical scheme, the automatic assembly mechanism comprises a continuous stamping die for paper shredding blades which simultaneously form and output two paper shredding blades of the same paper shredding blade group, the continuous stamping die for paper shredding blades is respectively connected with the automatic rod penetrating mechanism through two channel belts in a transmission way, any one of the two channel belts is in 8-degree overturning arrangement, or the two channel belts are respectively in 9-degree overturning arrangement, the output ends of the two channel belts are combined and aligned to form a paper shredding blade output part, and the paper shredding blade output part is connected with the automatic rod penetrating mechanism.
In a further technical scheme, the automatic rod penetrating mechanism comprises a rod penetrating positioning module, a pushing module and a cutter rod shaft tool module, wherein a rod penetrating input part is arranged on the first side of the rod penetrating positioning module, a rod penetrating output part is arranged on the second side of the rod penetrating positioning module, an assembly channel with the cross section shape matched with the radial projection contour of the paper shredding blade is arranged between the rod penetrating input part and the rod penetrating output part, and the rod penetrating input part is connected with a channel belt; the pushing module is positioned at one side of the penetrating rod positioning module, which is close to the penetrating rod input part, and comprises a pushing driving unit and a pushing unit which is movably arranged along the extending direction of the assembling channel in a straight line, wherein the pushing unit is in transmission connection with the pushing driving unit, and the pushing unit is in reciprocating insertion or extraction penetrating rod pushing fit with the assembling channel; the cutter bar shaft tooling module is positioned at one side of the cutter bar penetrating positioning module, which is close to the cutter bar penetrating output part, and comprises a clamping unit for clamping the cutter bar shaft or the middle rotating shaft, and the assembly end of the cutter bar shaft clamped in the clamping unit always stretches into the assembly channel; the pushing unit, the assembling channel and the clamping unit are coaxially aligned respectively.
In a further technical scheme, the rod penetrating positioning module comprises a formed rod penetrating positioning block, the assembly channel is arranged in the rod penetrating positioning block in a left-right penetrating mode, one side of the rod penetrating positioning block is concavely provided with a rod penetrating input part, and the rod penetrating input part is communicated with the assembly channel.
In a further technical scheme, an initial positioning part is formed on one side section of the assembly channel close to the penetrating rod input part, and a high-precision positioning part is formed on one side section of the assembly channel close to the penetrating rod output part, and the initial positioning part and the high-precision positioning part are smoothly connected; the cross section shape of the initial positioning part is matched with the paper shredding blade, and the outline size of the initial positioning part is gradually reduced from outside to inside; the cross section shape of the high-precision positioning part is matched with the size of the paper shredding blade, and the high-precision positioning part is in clearance positioning fit with the paper shredding blade.
In a further aspect, the fit clearance between the high-precision positioning portion and the paper shredding blade is less than 0.5mm.
In a further technical scheme, the clamping unit takes the rod penetrating output part as a reference point, and is provided with clamping positions and assembling positions with different distances along the axial direction of the assembling channel, when the clamping unit is positioned at the clamping position, the assembling end of the cutter rod shaft clamped at the clamping unit is positioned at the outer side of the rod penetrating output part; when the clamping unit is in the assembling position, the assembling end of the cutter bar shaft clamped on the clamping unit stretches into the high-precision positioning part, and the stretching depth is 1cm-30cm.
In a further technical scheme, the pushing unit comprises a pushing rod structure or a pushing tube structure, and the pushing stroke of the pushing unit is greater than or equal to the length of the initial positioning part.
By adopting the structure, compared with the prior art, the invention has the following advantages: the invention provides an automatic assembly mechanism of a paper shredding cutter rod assembly for a continuous stamping die, which is characterized in that a channel belt is connected with the continuous stamping die of paper shredding cutters to continuously and automatically assemble formed paper shredding cutters output by the continuous stamping die, so that paper shredding cutter blade transfer and storage and manual assembly are avoided, and the assembly efficiency of the paper shredding cutter rod is greatly improved; the structure is simple, the operation is stable and reliable, the preparation cost is low, and the popularization and the use are easy; the profiling channel inside the rod penetrating positioning block can rapidly position the paper shredding blade and rapidly penetrate the rod, so that the rod penetrating positioning block is simple in structure, ingenious in design, stable and reliable, and low in preparation cost, and accords with rod penetrating assembly actions.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of another embodiment of the present invention.
Fig. 3 is a schematic structural view of another embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a strip channel strip of the present invention.
Fig. 5 is a schematic structural view of the automatic rod threading mechanism of the present invention.
FIG. 6 is a schematic side view of the rod-passing positioning module of the present invention.
FIG. 7 is a schematic cut-away view of a stick-penetrating positioning module of the present invention.
In the figure:
the continuous stamping die 1 for the paper shredding blade, the channel belt 2, the rod penetrating positioning module 3, the rod penetrating input part 31, the assembly channel 32, the primary positioning part 321, the high-precision positioning part 322, the pushing unit 4 and the cutter rod shaft 5.
Detailed Description
The following are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention.
The automatic assembly mechanism of the paper shredding cutter rod assembly for the continuous stamping die comprises at least one group of paper shredding cutter blade continuous stamping dies (1) capable of outputting one paper shredding cutter blade or two paper shredding cutter blades simultaneously and an automatic rod penetrating mechanism, wherein the paper shredding cutter blade continuous stamping dies (1) and the automatic rod penetrating mechanism are in transmission connection through a channel belt (2), a cutter blade conveying channel (20) with the cross section size matched with the axial cross section size of the paper shredding cutter blade is formed in the channel belt (2), one end opening of the cutter blade conveying channel (20) is connected with the paper shredding cutter blade continuous stamping dies (1), and the other end of the cutter blade conveying channel is connected with the automatic rod penetrating mechanism; a paper shredding blade transmission positioning structure matched with the paper shredding blade transmission positioning is arranged in the blade transmission channel (20). The invention provides an automatic assembly mechanism of a paper shredding knife rod assembly, which consists of a continuous stamping die (1) of paper shredding knife blades, a channel belt 2 and an automatic rod penetrating mechanism, and realizes the full-automatic production of the paper shredding knife blades by forming, transferring and rod penetrating.
Specifically, the paper shredding blade transmission positioning structure comprises a directional groove (201) formed in the blade conveying channel (20), wherein the back surface of the paper shredding blade is formed with a protrusion, and the protrusion is matched with the directional groove (201) in a sliding guide manner. The orientation groove (201) is matched with the bulge formed on the paper shredding blade in a sliding and positioning way, so that the paper shredding blade is ensured to enter the rod penetrating and positioning module 3 in a fixed position, and the paper shredding blade is embedded with the inner outline of the assembly channel 32, so that rod penetrating and feeding can be realized. The paper shredding blade transmission positioning structure can also be formed by sliding fit of a groove part of a blade conveying channel (20) with a T-shaped cross section and a forming backing ring of the paper shredding blade, wherein the forming backing ring of the paper shredding blade is formed with a positioning contour, and the positioning contour of the forming backing ring is in sliding and directional fit with the groove part of the blade conveying channel (20); the three-point sliding positioning fit of the paper shredding blade with three knife tips and the side machine type of the blade conveying channel (20) can be realized; the forming convex points of the paper shredding blade and the cutter points thereof can be used for respectively carrying out sliding orientation matching of the orientation groove (201) and the conveying channel (20). In summary, the shredding blade conveying and positioning structure between the shredding blade and the blade conveying channel (20) is various, and the shredding blade conveying and positioning structure is not limited to the above shredding blade conveying and positioning structure, and can meet the requirement that the inner contour of the shredding blade and the rod penetrating input part 31 is embedded and fed.
The embodiment also provides another automatic assembly mechanism of the paper shredding knife rod assembly, as shown in fig. 2, the automatic assembly mechanism comprises two continuous stamping dies (1) for shredding knife blades which respectively form and output two shredding knife blades of the same shredding knife blade group, the two continuous stamping dies (1) and the automatic rod penetrating mechanism are respectively connected through one channel belt (2) in a transmission way, any one channel belt (2) of the two channel belts (2) is in a 180-degree turnover arrangement, or the two channel belts (2) are respectively in a 90-degree turnover arrangement, and the output ends of the two channel belts (2) are combined and aligned to form a shredding knife blade output part, and the shredding knife blade output part is connected with the automatic rod penetrating mechanism.
The inventor shows that in the paper shredding blade group formed by the double fragments, the blade tips of the paper shredding blade group formed by back-to-back can be combined to form the V-shaped or A-shaped blade tips according to different blade edge forming directions of the blade tips, and the two paper shredding blade groups with the blade tips in different shapes have different shearing performances. In the automatic production process, the paper shredding blades in the same paper shredding blade group are required to be overturned so as to achieve the technical purpose that the paper shredding blades are assembled in a back-to-back joint way, therefore, in the transmission process between the paper shredding blade continuous stamping die (1) and the automatic rod penetrating mechanism, the overturning arrangement is carried out by utilizing the flexible property of the channel belt (2), the paper shredding blades are overturned when being output to the automatic rod penetrating mechanism, the automatic assembly of the paper shredding blade rod assembly is realized, and the manual overturning and the manual assembly are avoided.
The automatic assembly mechanism consisting of two continuous paper shredding blade stamping dies (1) can be combined to form paper shredding blade groups and paper shredding blade bars with more blade tip types. And, should not only be limited to by the automatic assembly mechanism that two shredded paper blade continuous stamping die (1) are constituteed, the automatic assembly mechanism that is formed by this kind of flexible passageway area (2) connection, more can be by the continuous stamping die (1) equipment completion of shredded paper blade more than two, according to the production needs of difference, produce the shredded paper knife rod subassembly of different specifications automatically.
The embodiment also provides another automatic assembly mechanism of the paper shredding knife rod assembly, as shown in fig. 4 to 7, the automatic assembly mechanism comprises a paper shredding knife continuous stamping die (1) for simultaneously forming and outputting two paper shredding knives of the same paper shredding knife group, the paper shredding knife continuous stamping die (1) and the automatic rod penetrating mechanism are respectively connected through two channel belts (2) in a transmission way, any one of the two channel belts (2) is in a 180-degree turnover arrangement, or the two channel belts (2) are respectively in a 90-degree turnover arrangement, and the output ends of the two channel belts (2) are gathered and aligned to form a paper shredding knife output part, and the paper shredding knife output part is connected with the automatic rod penetrating mechanism.
An automatic rod penetrating mechanism is arranged at the outlet of the channel belt 2 and comprises a rod penetrating positioning module 3, a pushing module and a cutter rod shaft tool module, a rod penetrating input part 31 is arranged on the first side of the rod penetrating positioning module 3, a rod penetrating output part is arranged on the second side of the rod penetrating positioning module, an assembling channel 32 with the cross section shape and the size matched with the radial projection profile of the paper shredding blade is arranged between the rod penetrating input part 31 and the rod penetrating output part, and the rod penetrating input part 31 is connected with the channel belt 2; the pushing module is positioned at one side of the rod penetrating positioning module 3, which is close to the rod penetrating input part 31, and comprises a pushing driving unit and a pushing unit 4 which is movably arranged along the extending direction of the assembling channel 32 in a straight line, wherein the pushing unit 4 is in transmission connection with the pushing driving unit, and the pushing unit 4 is in reciprocating insertion or extraction rod penetrating pushing fit with the assembling channel 32; the cutter bar shaft tooling module is positioned at one side of the cutter bar penetrating positioning module 3, which is close to the cutter bar penetrating output part, and comprises a clamping unit for clamping the cutter bar shaft 5 or the middle rotating shaft, wherein the assembly end of the cutter bar shaft 5 clamped in the clamping unit always stretches into the assembly channel 32; the pushing unit 4, the fitting channel 32 and the clamping unit are arranged coaxially aligned, respectively. The invention provides an automatic assembly mechanism of a paper shredding cutter rod assembly for a continuous stamping die, which is characterized in that a channel belt 2 is connected with a paper shredding cutter blade continuous stamping die 1 to continuously and automatically assemble formed paper shredding cutters output by the continuous stamping die, so that transfer and storage of the paper shredding cutter blades and manual assembly are avoided, and the assembly efficiency of the paper shredding cutter rod is greatly improved; simple structure, stable and reliable operation, low preparation cost and easy popularization and application.
The operation principle is that under the output pushing action, the gravity action and the vibration action of a vibration device of the continuous stamping die 1 of the paper shredding blade, the paper shredding blade falls into a concave part on one side of a rod penetrating positioning block one by one and is positioned initially by profiling with the inner contour of a semi-open rod penetrating input part 31; then the paper shredding blade is smoothly pushed to the high-precision positioning part 322 along the profiling inner contour of the initial positioning part 321 under the axial pushing action of the pushing unit 4; under the continuous pushing action of the pushing unit 4 and the positioning action of the inner contour of the high-precision positioning portion 322, the paper shredding blade is accurately sleeved on the cutter bar shaft 5 by a set body position, so as to complete a rod penetrating assembly period of the paper shredding blade. The automatic assembly mechanism of the paper shredding knife rod assembly dispenses with complex positioning equipment (a visual positioning system), finishes profiling positioning while pushing the rod, has exquisite design and low cost, dispenses with manual assembly and the forming, transferring and storing of paper shredding blades, and greatly reduces the production cost of enterprises.
Specifically, a blade conveying channel with a cross-sectional shape matched with the axial cross-sectional shape of the paper shredding blade is arranged in the channel belt, one end opening of the blade conveying channel is connected with the paper shredding blade continuous stamping die 1, and the other end of the blade conveying channel is connected with the penetrating rod input part 31.
Specifically, the channel belt is connected with a vibration device. The channel belt provided with the vibration device can prevent the paper shredding blade from being blocked in the channel belt, so that the output smoothness is enhanced, and the stable operation of the whole machine is ensured.
Specifically, the rod penetrating positioning module 3 includes a shaped rod penetrating positioning block, the assembly channel 32 is arranged in the rod penetrating positioning block in a left-right penetrating manner, one side of the rod penetrating positioning block is concavely provided with a rod penetrating input part 31, and the rod penetrating input part 31 is communicated with the assembly channel 32.
Specifically, a primary positioning portion 321 is formed on a side section of the assembly channel 32 close to the penetrating rod input part 31, and a high-precision positioning portion 322 is formed on a side section of the assembly channel close to the penetrating rod output part, wherein the primary positioning portion 321 and the high-precision positioning portion 322 are smoothly connected; the cross-sectional shape of the primary positioning portion 321 matches that of the paper shredding blade, and its contour size gradually decreases from outside to inside; the cross-sectional shape of the high definition portion 322 is sized to match the shredding blade, and the high definition portion 322 is in clearance-fit with the shredding blade.
Specifically, the fit clearance between the high-definition portion 322 and the paper shredding blade is less than 0.2mm.
Specifically, the clamping unit takes the rod penetrating output part as a reference point, and is provided with clamping positions and assembling positions with different distances along the axial direction of the assembling channel 32, when the clamping unit is positioned at the clamping position, the assembling end of the cutter rod shaft 5 clamped at the clamping unit is positioned at the outer side of the rod penetrating output part; when the clamping unit is in the assembled position, the assembled end of the knife bar shaft 5 clamped to the clamping unit extends into the high-precision positioning portion 322 to a depth of 1cm to 30cm.
Specifically, the pushing unit 4 includes a pushing rod structure or a pushing tube structure, and a pushing stroke of the pushing unit 4 is greater than or equal to a length of the preliminary positioning portion 321. The pushing unit 4 is technically characterized in that the shredding blade can be pushed through the rod in a body position perpendicular to the axis of the assembly channel, so that the shredding blade can smoothly push through the rod under a uniform pushing force, and when the pushing force is uneven, the shredding blade is eccentric under the friction action of the assembly channel, so that the assembly channel is blocked, and the shredding blade and the inner contour structure of the assembly channel are damaged.
Specifically, the pushing rod structure comprises at least two pushing rods which are distributed at intervals along the circumferential direction and staggered with the cutter bar shaft 5, the front ends of the pushing rods are respectively positioned on the same end face, and the pushing rods are respectively connected with the pushing driving unit and synchronously reciprocate along the axial direction of the assembly channel 32.
Preferably, in this embodiment, the pushing unit 4 includes a pushing tube with an outer diameter smaller than that of the assembly channel 32, a sleeve cavity penetrating at least the front end surface is provided in the pushing tube, when the pushing tube performs rod penetrating pushing and matching, the pushing tube is movably inserted into the assembly channel 32, and the sleeve cavity of the pushing tube is movably sleeved on the cutter rod shaft 5. The front side of push tube supports the top surface and is the terminal surface that is level and smooth, when supporting in the shredded paper blade, can make the shredded paper blade receive circumference even supporting effort, takes place decentered when avoiding shredded paper blade to pass the assembly passageway, guarantees that automatic stick work of wearing is accomplished smoothly.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (9)
1. The utility model provides a garrulous paper knife rod subassembly automatic assembly mechanism that continuous stamping die used which characterized in that: the automatic paper shredding continuous stamping die comprises at least one group of paper shredding continuous stamping dies (1) and an automatic rod penetrating mechanism, wherein the paper shredding continuous stamping dies (1) can simultaneously output one paper shredding blade or two paper shredding blades, the paper shredding continuous stamping dies are in transmission connection with the automatic rod penetrating mechanism through a channel belt (2), a blade conveying channel (20) with the cross section shape and the size matched with the axial cross section shape of the paper shredding blade is arranged in the channel belt (2), one end opening of the blade conveying channel (20) is connected with the paper shredding continuous stamping dies (1), and the other end of the blade conveying channel is connected with the automatic rod penetrating mechanism; a paper shredding blade transmission positioning structure matched with the paper shredding blade transmission positioning is arranged in the blade transmission channel (20);
the automatic rod penetrating mechanism comprises a rod penetrating positioning module (3), a pushing module and a cutter rod shaft tooling module,
a first side of the rod penetrating positioning module (3) is provided with a rod penetrating input part (31), a second side of the rod penetrating positioning module is provided with a rod penetrating output part, an assembly channel (32) with the cross section shape matched with the radial projection contour of the paper shredding blade is arranged between the rod penetrating input part (31) and the rod penetrating output part, and the rod penetrating input part (31) is connected with the channel belt (2);
the pushing module is positioned at one side of the rod penetrating positioning module (3) close to the rod penetrating input part (31), and comprises a pushing driving unit and a pushing unit (4) which is movably arranged in a straight line along the extending direction of the assembling channel (32), the pushing unit (4) is in transmission connection with the pushing driving unit, and the pushing unit (4) is in reciprocating insertion or extraction rod penetrating pushing fit with the assembling channel (32);
the cutter bar shaft tooling module is positioned at one side of the cutter bar penetrating positioning module (3) close to the cutter bar penetrating output part, and comprises a clamping unit for clamping the cutter bar shaft (5) or the middle rotating shaft, and the assembly end of the cutter bar shaft (5) clamped in the clamping unit always stretches into the assembly channel (32);
the rod penetrating positioning module (3) comprises a rod penetrating positioning block, the assembly channel (32) is arranged in the rod penetrating positioning block in a left-right penetrating mode, one side of the rod penetrating positioning block is concavely provided with a rod penetrating input part (31), and the rod penetrating input part (31) is communicated with the assembly channel (32).
2. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die according to claim 1, wherein: the paper shredding blade transmission positioning structure comprises a directional groove (201) formed in the blade conveying channel (20), and a protrusion is formed on the back surface of the paper shredding blade and is matched with the directional groove (201) in a sliding guide mode.
3. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die according to claim 1, wherein: the automatic assembly mechanism comprises two continuous stamping dies (1) for stamping paper shredding blades which respectively form and output two shredding blades of the same shredding blade group, the two continuous stamping dies (1) for shredding blades are respectively connected with the automatic rod penetrating mechanism in a transmission way through one channel belt (2), any one channel belt (2) of the two channel belts (2) is in a 180-degree turnover arrangement, or the two channel belts (2) are respectively in a 90-degree turnover arrangement, and the output ends of the two channel belts (2) are combined and aligned to form a shredding blade output part, and the shredding blade output part is connected with the automatic rod penetrating mechanism.
4. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die according to claim 1, wherein: the automatic assembly mechanism comprises a continuous paper shredding blade stamping die (1) for simultaneously forming and outputting two paper shredding blades of the same paper shredding blade group, the continuous paper shredding blade stamping die (1) is respectively connected with the automatic rod penetrating mechanism in a transmission way through two channel belts (2), any one of the two channel belts (2) is in a 180-degree turnover arrangement, or the two channel belts (2) are respectively in a 90-degree turnover arrangement, and the output ends of the two channel belts (2) are combined and aligned to form a paper shredding blade output part, and the paper shredding blade output part is connected with the automatic rod penetrating mechanism.
5. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die according to claim 1, wherein: the pushing unit (4), the assembly channel (32) and the clamping unit are coaxially aligned respectively.
6. An automatic assembly mechanism for a paper shredding bar assembly for a continuous stamping die according to any one of claims 1 to 5, wherein: a primary positioning part (321) is formed on one side section of the assembly channel (32) close to the penetrating rod input part (31), a high-precision positioning part (322) is formed on one side section of the assembly channel close to the penetrating rod output part, and the primary positioning part (321) and the high-precision positioning part (322) are smoothly connected; the cross section shape of the primary positioning part (321) is matched with the paper shredding blade, and the outline size of the primary positioning part is gradually reduced from outside to inside; the cross-sectional shape of the high-precision positioning part (322) is matched with the size of the paper shredding blade, and the high-precision positioning part (322) is in clearance positioning fit with the paper shredding blade.
7. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die of claim 6, wherein: the fit clearance between the high precision positioning portion (322) and the paper shredding blade is less than 0.5mm.
8. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die of claim 7, wherein: the clamping unit takes the rod penetrating output part as a reference point, is provided with clamping positions and assembling positions with different distances along the axial direction of the assembling channel (32), and when the clamping unit is positioned at the clamping position, the assembling end of a cutter rod shaft (5) clamped at the clamping unit is positioned at the outer side of the rod penetrating output part; when the clamping unit is at the assembling position, the assembling end of the cutter bar shaft (5) clamped on the clamping unit stretches into the high-precision positioning part (322), and the stretching depth of the high-precision positioning part is 1cm-30cm.
9. The automatic assembly mechanism of a paper shredding knife bar assembly for a continuous stamping die of claim 7, wherein: the pushing unit (4) comprises a pushing rod structure or a pushing tube structure, and the pushing stroke of the pushing unit (4) is larger than or equal to the length of the initial positioning part (321).
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| CN202111451949.XA CN114178403B (en) | 2021-12-01 | 2021-12-01 | Automatic assembly mechanism of paper shredding knife rod assembly for continuous stamping die |
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| CN202111451949.XA CN114178403B (en) | 2021-12-01 | 2021-12-01 | Automatic assembly mechanism of paper shredding knife rod assembly for continuous stamping die |
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| CN114178403B true CN114178403B (en) | 2023-11-03 |
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| CN114178403A (en) | 2022-03-15 |
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