Waste recovery equipment based on plastic part injection molding manufacturing

Abstract

The invention relates to the technical field of waste recovery, and discloses waste recovery equipment based on plastic part injection molding manufacturing, the waste recovery equipment comprises a shell, a pier block fixedly mounted in the shell, and a rotating roller matched with the pier block to crush a plastic part, and a plastic fragment cavity and a small particle plastic cavity which are separated from each other are formed in the shell; an upper arc-shaped material receiving frame is rotationally arranged in the shell, a lower arc-shaped material receiving frame coaxial with the upper arc-shaped material receiving frame is fixedly installed in the shell, the lower arc-shaped material receiving frame is located on the outer side of the upper arc-shaped material receiving frame, and the distance between the lower arc-shaped material receiving frame and the upper arc-shaped material receiving frame is smaller than the minimum thickness of a plastic part. According to the invention, only by improving the structure of the material receiving frame in the prior art, the efficiency of separating the plastic fragments from the material receiving frame is improved, the sorting work of the plastic fragments and the small-particle plastic can be realized, the arrangement of a material distributing assembly and a discharging mechanism in the prior art is omitted, and the structure in the equipment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of waste recycling, and in particular to a waste recycling device based on plastic part injection molding. Background Art

[0002] After the injection molding of plastic parts is completed, the remaining materials will be cut off by cutting equipment, and the cut waste materials can be recycled to prevent waste pollution. In the prior art, the waste materials of plastic parts are usually recycled by special waste recycling equipment after crushing. Since plastic parts will produce plastic fragments and small plastic particles when they are crushed, in order to facilitate classification, the waste recycling equipment in the prior art also has the function of sorting plastic fragments and small plastic particles.

[0003] For example, the invention patent with application number CN202410234461.9 and publication (announcement) number CN117817901B discloses a waste recycling equipment based on plastic parts injection molding, including a crushing mechanism, a screening module, a material separation component, and a discharging mechanism. The crushing mechanism crushes the plastic parts and drops them into a receiving frame of the screening module. When the receiving frame is working, the impact force generated during crushing will be used to make it shake, so as to facilitate filtering and separating the plastic fragments and small plastic particles in the receiving frame from the receiving frame. After the plastic fragments are separated from the receiving frame, they fall on the material separation component, and the material separation component separates the plastic fragments from the small plastic particles. After that, the plastic fragments are collected, and the small plastic particles fall into the cylinder of the discharging mechanism. The stepper motor in the discharging mechanism is used to drive the auger to rotate, and the small plastic particles that fall into the cylinder are discharged, so that the plastic fragments and small plastic particles can be separated.

[0004] In the above invention patent, although the separation of plastic fragments and small plastic particles can be achieved through the cooperation of the crushing mechanism, the screening module, the material separation component and the discharging mechanism, its disadvantages are:

[0005] Since the receiving frame in the screening module uses the impact force generated when the plastic parts are crushed to make it vibrate, and uses the vibration force to separate the broken plastic fragments from the receiving frame, but in actual production, the impact force generated by the crushing of plastic parts is not large, so the vibration force generated by the receiving frame is also small, and the effect of helping the plastic fragments to separate from the receiving frame is poor; and since both plastic fragments and small plastic particles will separate from the receiving frame, the separation of plastic fragments and small plastic particles is achieved by adding classification components and discharging mechanisms. This additional setting of classification components and discharging mechanisms will increase the size and manufacturing cost of the equipment. Therefore, how to improve the efficiency of plastic fragments separating from the receiving frame while reducing the structure in the equipment to achieve the separation of plastic fragments and small plastic particles is a technical problem that needs to be solved urgently. Summary of the invention

[0006] The purpose of the present invention is to provide a waste recycling device based on plastic parts injection molding to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a waste recycling device based on injection molding of plastic parts, comprising a housing, a block fixedly installed in the housing, and a rotating roller cooperating with the block to crush the plastic parts, wherein a plastic fragment cavity and a small particle plastic cavity separated from each other are formed in the housing;

[0008] An upper arc-shaped material receiving frame is rotatably arranged in the shell, and a lower arc-shaped material receiving frame coaxial with the upper arc-shaped material receiving frame is fixedly installed, the lower arc-shaped material receiving frame is located outside the upper arc-shaped material receiving frame, and the distance between the lower arc-shaped material receiving frame and the upper arc-shaped material receiving frame is less than the minimum thickness of the plastic part, and the plastic fragments and small particles of plastic formed by the broken plastic part fall on the upper arc-shaped material receiving frame and the lower arc-shaped material receiving frame;

[0009] The rotating roller is provided with a linkage, and the upper arc-shaped material receiving frame is fixedly provided with an abutment rod. The rotating roller rotates to crush the plastic parts, and drives the linkage and the abutment rod to intermittently abut each other so that the upper arc-shaped material receiving frame can realize reciprocating rotation. When the upper arc-shaped material receiving frame rotates forward, the plastic fragments on the upper arc-shaped material receiving frame are transferred to the lower arc-shaped material receiving frame. When the upper arc-shaped material receiving frame rotates reversely, the plastic fragments on the lower arc-shaped material receiving frame are pushed to slide out from the end of the lower arc-shaped material receiving frame and fall into the plastic fragment cavity. During the reciprocating rotation of the upper arc-shaped material receiving frame, the small-particle plastics on the upper arc-shaped material receiving frame and the lower arc-shaped material receiving frame are caused to roll and pass through the filtering holes on the upper arc-shaped material receiving frame and the lower arc-shaped material receiving frame and fall into the small-particle plastic cavity.

[0010] The above-mentioned waste recycling equipment based on plastic parts injection molding, the connecting part includes a base fixedly mounted on a rotating roller, a shaft rod fixedly mounted on the base, a push rod rotatably arranged on the shaft rod and abutting with the abutment rod, a torsion spring is installed between the shaft rod and the push rod, the torsion spring is fixedly connected to the shaft rod, the end of the torsion spring abuts with the push rod, and the elastic rotation of the push rod is realized based on the torsion force of the torsion spring.

[0011] The above-mentioned waste recycling equipment based on plastic parts injection molding has a hopper fixedly installed on the top of the shell, and the bottom of the hopper is intermittently blocked during the rotation of the upper arc-shaped material receiving frame to reduce the probability of plastic fragments generated when the plastic parts are broken jumping out of the hopper.

[0012] The above-mentioned waste recycling equipment based on plastic parts injection molding is equipped with a self-locking motor on the shell, and the output shaft of the self-locking motor is transmission-connected with the rotating roller. The self-locking motor drives the rotating roller to rotate. When the rotating roller drives the upper arc-shaped material receiving frame to rotate through the abutment between the push rod and the abutment rod, when the upper arc-shaped material receiving frame rotates to the extreme position, its end abuts against the lower extension plate on the feeding hopper so that the bottom opening of the feeding hopper is blocked by the upper arc-shaped material receiving frame. At this time, the self-locking motor stops running to keep the bottom opening of the feeding hopper in a blocked state, thereby preventing external dust from entering the shell through the feeding hopper.

[0013] In the above-mentioned waste recycling equipment based on plastic parts injection molding, when the upper arc-shaped material receiving frame blocks the bottom opening of the feeding hopper, the bottom opening of the feeding hopper and the filtering holes on the upper arc-shaped material receiving frame are staggered.

[0014] The above-mentioned waste recycling equipment based on plastic parts injection molding has a cleaning plate detachably installed on the feeding hopper, and cleaning cotton is bonded to the bottom of the cleaning plate. The cleaning cotton abuts against the outer side surface of the upper arc-shaped material receiving frame so that when the upper arc-shaped material receiving frame rotates, the cleaning cotton wipes the dust adhered to the outer side surface of the upper arc-shaped material receiving frame.

[0015] The above-mentioned waste recycling equipment based on plastic parts injection molding is fixedly installed with a counterweight on the upper arc-shaped material receiving frame. After the end of the upper arc-shaped material receiving frame abuts against the lower extension plate on the feeding hopper, as the rotating roller further rotates and under the blocking action of the abutment rod, the push rod is driven to rotate elastically until the push rod passes over the abutment rod. At this time, the upper arc-shaped material receiving frame is driven to rotate in the opposite direction under the action of the gravity of the counterweight.

[0016] In the above-mentioned waste recycling equipment based on plastic injection molding, a spring is fixedly installed on the counterweight, and the upper arc-shaped material receiving frame drives the counterweight to rotate synchronously during the reverse rotation process, so that the free end of the counterweight collides with the lower arc-shaped material receiving frame.

[0017] The above-mentioned waste recycling equipment based on plastic parts injection molding is fixedly installed with a baffle on the inner side of the upper arc-shaped material receiving frame. During the crushing process of plastic parts, when plastic parts enter the right side area of ​​the rotating roller, the baffle blocks them, and with the positive rotation of the upper arc-shaped material receiving frame, the baffle drives the plastic parts entering the right side area of ​​the rotating roller to the rotating roller so that the rotating roller can drive them to the pier and continue to crush them.

[0018] The above-mentioned waste recycling equipment based on plastic injection molding, the shell includes two fixed plates fixedly arranged at its bottom and arranged relatively, a collection box is slidably arranged between the two fixed plates, and the bottom opening of the small particle plastic cavity passes through the bottom of the shell and is connected to the collection box.

[0019] Beneficial effect: In the above technical scheme, the present invention provides a waste recycling equipment based on plastic parts injection molding, which creatively improves the material receiving frame in the prior art into an upper arc-shaped material receiving frame and a lower arc-shaped material receiving frame arranged up and down, the upper arc-shaped material receiving frame is rotatably arranged, and the lower arc-shaped material receiving frame is fixedly arranged, and the abutment rod on the upper arc-shaped material receiving frame is intermittently abutted with the connecting piece on the rotating roller, so that in the process of rotation of the rotating roller, in addition to crushing the plastic parts, the upper arc-shaped material receiving frame can be driven to reciprocate, and the positive rotation of the upper arc-shaped material receiving frame is cleverly utilized to make the plastic fragments on the upper arc-shaped material receiving frame slide and the small particles of plastic roll, and the small particles of plastic can pass through the filtering holes on the upper arc-shaped material receiving frame and fall on the lower arc-shaped material receiving frame during the rolling process, and as the positive rotation angle of the upper arc-shaped material receiving frame continues to increase, the plastic fragments on the upper arc-shaped material receiving frame also slide out from the end of the upper arc-shaped material receiving frame to the lower arc-shaped material receiving frame, and then the reverse rotation of the upper arc-shaped material receiving frame is utilized to reverse the upper arc-shaped material receiving frame. During the rotation, the end surface of the upper arc-shaped material receiving frame pushes the plastic fragments on the lower arc-shaped material receiving frame to move. During the movement, the plastic fragments drive the small particles of plastic to roll along the inner wall of the lower arc-shaped material receiving frame so that the small particles of plastic pass through the filter holes on the lower arc-shaped material receiving frame during the rolling process and fall into the small particle plastic cavity. As the upper arc-shaped material receiving frame further rotates in the opposite direction, the upper arc-shaped material receiving frame continuously pushes the plastic fragments on the lower arc-shaped material receiving frame to the end of the lower arc-shaped material receiving frame and separates from the lower arc-shaped material receiving frame and falls into the plastic fragment cavity, thereby realizing the separation of plastic fragments and small particles of plastic. Moreover, since the plastic fragments are separated from the upper and lower arc-shaped material receiving frames by the large rotation of the upper arc-shaped material receiving frame, the plastic fragments all fall onto the lower arc-shaped material receiving frame and are pushed by the upper arc-shaped material receiving frame to separate from the lower arc-shaped material receiving frame, the pushing motion amplitude is obviously larger than the motion amplitude brought about by vibration in the prior art, thereby improving the efficiency of the plastic fragments separating from the lower arc-shaped material receiving frame. It can be seen that the present invention not only improves the efficiency of plastic fragments being separated from the material receiving frame by merely improving the structure of the material receiving frame in the prior art, but also can realize the separation of plastic fragments and small-particle plastics, thereby eliminating the setting of the material separation component and the material discharging mechanism in the prior art, reducing the structure in the equipment, and effectively solving the shortcomings of the prior art.

[0020] In the present invention, based on the rotation design of the upper arc-shaped material receiving frame, the upper arc-shaped material receiving frame can intermittently cover the bottom opening of the feeding hopper during the rotation process, thereby reducing the probability of plastic fragments generated when the plastic parts are broken and jumping out of the feeding hopper, playing a role in protecting the operator. It can be seen that the rotation design of the upper arc-shaped material receiving frame has an unexpected technical effect;

[0021] Since there is usually a lot of dust in the waste recycling workshop, when the equipment is not working for a long time, dust can easily enter the shell from the hopper, so that when the crushing work is carried out, dust will be mixed in the plastic fragments and small plastic particles. Obviously, it is necessary to reduce the dust from entering the shell. The present invention cleverly uses the design of the upper arc-shaped material receiving frame, so that when the upper arc-shaped material receiving frame is rotated to the extreme position, the bottom of the hopper can be blocked, and the upper arc-shaped material receiving frame can be locked in the extreme position so that dust cannot enter the shell from the hopper when the equipment is not working, which can effectively reduce the dust from entering the shell. It can be seen that the rotation design of the upper arc-shaped material receiving frame has an unexpected technical effect;

[0022] In this embodiment, a baffle is fixedly arranged on the upper arc-shaped material receiving frame so that when a plastic part enters the right side area of ​​the rotating roller during the crushing process of the plastic parts, the baffle blocks it, and as the upper arc-shaped material receiving frame rotates in the forward direction, the baffle drives the plastic part entering the right side area of ​​the rotating roller onto the rotating roller so that the rotating roller drives the plastic part to the pier block and continues to crush it, thereby improving the crushing rate of the plastic parts. It can be seen that through further improvement of the structure of the upper arc-shaped material receiving frame, the upper arc-shaped material receiving frame has the effect of improving the crushing rate of plastic parts during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 A schematic diagram of the structure of a waste recycling device based on plastic parts injection molding provided by an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of the structure of a waste recycling device manufactured by injection molding of plastic parts after removing the shell provided by an embodiment of the present invention;

[0026] Figure 3 The embodiment of the present invention provides Figure 2 A schematic diagram of the structure when the interception plate on the front side is removed;

[0027] Figure 4 The embodiment of the present invention provides Figure 3 A structural diagram from another perspective;

[0028] Figure 5 A schematic diagram of the internal structure of a feeding hopper provided in an embodiment of the present invention;

[0029] Figure 6A schematic diagram of a three-dimensional cross-sectional structure of a waste recycling device manufactured based on plastic injection molding in an initial state provided by an embodiment of the present invention;

[0030] Figure 7 A schematic diagram of a front cross-sectional structure of a waste recycling device manufactured based on plastic part injection molding in an initial state provided by an embodiment of the present invention;

[0031] Figure 8 A schematic diagram of a front cross-sectional structure of a push rod according to an embodiment of the present invention pushing an abutment rod and an upper arc-shaped material receiving frame to rotate forward;

[0032] Fig. 9 A schematic diagram of a front cross-sectional structure of an upper arc-shaped material receiving frame provided in an embodiment of the present invention when the upper arc-shaped material receiving frame is located at an extreme position to block the bottom opening of the material feeding hopper;

[0033] Fig.10 A front view cross-sectional structural schematic diagram of the upper arc-shaped material receiving frame provided in an embodiment of the present invention in the process of elastically rotating the push rod driven by the continued rotation of the rotating roller after the upper arc-shaped material receiving frame is located at the limit position;

[0034] Fig.11 The embodiment of the present invention provides Fig.10 Schematic diagram of the enlarged structure of part A in FIG.

[0035] Description of reference numerals:

[0036] 1. Shell; 101. Film taking port; 102. Arc-shaped guide groove; 103. Plastic fragment cavity; 104. Small particle plastic cavity; 105. Fixed plate; 2. Feed hopper; 201. Lower extension plate; 3. Rotating roller; 301. Crushing teeth; 4. Block; 401. Triangular notch; 5. Upper arc-shaped material receiving frame; 501. Baffle; 502. Abutment rod; 503. Arc-shaped rod; 6. Lower arc-shaped material receiving frame; 7. Inclined plate; 8. Partition plate; 9. Counterweight; 10. Spring; 11. Collecting box; 12. Shaft rod; 13. Push rod; 14. Intercepting plate; 15. Cleaning plate; 1501. Cleaning cotton. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] like Figure 1-11 As shown, a waste recycling device based on plastic injection molding provided by an embodiment of the present invention comprises a housing 1, a block 4 fixedly installed in the housing 1, and a rotating roller 3 cooperating with the block 4 to crush the plastic parts, and a plastic fragment cavity 103 and a small particle plastic cavity 104 separated from each other are formed in the housing 1;

[0039] An upper arc-shaped material receiving frame 5 is rotatably arranged in the housing 1, and a lower arc-shaped material receiving frame 6 coaxial with the upper arc-shaped material receiving frame 5 is fixedly installed, the lower arc-shaped material receiving frame 6 is located outside the upper arc-shaped material receiving frame 5, and the distance between the lower arc-shaped material receiving frame 6 and the upper arc-shaped material receiving frame 5 is less than the minimum thickness of the plastic part, and the plastic fragments and small particles of plastic formed by the broken plastic part fall on the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6;

[0040] A linkage is provided on the rotating roller 3, and an abutment rod 502 is fixedly provided on the upper arc-shaped material receiving frame 5. When the rotating roller 3 rotates to crush the plastic parts, the linkage is driven to intermittently abut against the abutment rod 502 to enable the upper arc-shaped material receiving frame 5 to realize reciprocating rotation. When the upper arc-shaped material receiving frame 5 rotates forward, the plastic fragments on the upper arc-shaped material receiving frame 5 are transferred to the lower arc-shaped material receiving frame 6. When the upper arc-shaped material receiving frame 5 rotates reversely, the plastic fragments on the lower arc-shaped material receiving frame 6 are pushed to slide out from the end of the lower arc-shaped material receiving frame 6 and fall into the plastic fragment cavity 103. During the reciprocating rotation of the upper arc-shaped material receiving frame 5, the small-particle plastics on the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6 are caused to roll and pass through the filtering holes on the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6 and fall into the small-particle plastic cavity 104.

[0041] The waste recycling equipment based on plastic injection molding provided in this embodiment is used to crush and recycle the waste cut from the injection-molded plastic parts. The words related to direction and position involved in this embodiment are relative to the attached drawings. The "positive direction" in this embodiment refers to the attached drawings. Figure 7 The counterclockwise direction and reverse direction refer to the Figure 7In the clockwise direction. Specifically, the block 4 is fixedly mounted on the inner wall of the shell 1, and a plurality of triangular notches 401 are provided on the block 4. A plurality of crushing teeth 301 are fixedly mounted on the outer peripheral surface of the rotating roller 3, and the crushing teeth 301 are adapted to the triangular notches 401. When the rotating roller 3 rotates, the crushing teeth 301 are driven to pass through the triangular notches 401 to crush the plastic parts. For more details, please refer to the prior art, which will not be described here. A partition 8 is fixedly mounted in the shell 1, and a plastic fragment cavity 103 is formed between the partition 8 and the shell 1. A sheet taking port 101 connected to the plastic fragment cavity 103 is provided on the shell 1. The plastic fragment cavity 103 is used to receive plastic fragments formed when crushing plastic parts, and can clean the plastic fragments collected in the plastic fragment cavity 103 from the sheet taking port 101 to the outside of the shell 1. Two symmetrically arranged inclined plates 7 are fixedly installed inside the housing 1. The two inclined plates 7 are inclined inward from top to bottom. A small-particle plastic cavity 104 is formed between the two inclined plates 7 and the housing 1. The small-particle plastic cavity 104 is used to receive small-particle plastic formed when the plastic parts are crushed. The housing 1 includes two fixed plates 105 fixedly arranged at its bottom and arranged oppositely. A collection box 11 is slidably arranged between the two fixed plates 105. The bottom opening of the small-particle plastic cavity 104 passes through the bottom of the housing 1 and is connected to the collection box 11. The small-particle plastic that falls into the small-particle plastic cavity 104 falls into the collection box 11 for storage under the action of weight.

[0042] In this embodiment, arc guide grooves 102 are symmetrically provided on the front and rear inner walls of the housing 1, and arc rods 503 arranged symmetrically are fixedly installed on the front and rear sides of the upper arc receiving frame 5, and the arc rods 503 are coaxial with the arc guide grooves 102, and two arc rods 503 are rotatably arranged in the two arc guide grooves 102 in a one-to-one correspondence, so as to realize the rotational arrangement between the upper arc receiving frame 5 and the housing 1. The lower arc receiving frame 6 is fixedly installed in the housing 1, and the lower arc receiving frame 6 is coaxial with the upper arc receiving frame 5, and the lower arc receiving frame 6 is located below the upper arc receiving frame 5. The upper arc receiving frame 5 and the lower arc receiving frame 6 are both used to receive plastic fragments and small plastic particles formed when the plastic parts are crushed, and the upper arc receiving frame 5 and the lower arc receiving frame 6 are both provided with filtering holes, and the filtering holes can allow small plastic particles to pass through, while plastic fragments cannot pass through, thereby realizing the filtering effect.

[0043] Among them, the linkage member provided on the rotating roller 3 is used to intermittently abut with the abutment rod 502 fixedly provided on the upper arc-shaped material receiving frame 5. When the rotating roller 3 rotates, the linkage member is driven to rotate. When the linkage member rotates, it first abuts with the abutment rod 502 and drives the abutment rod 502 and the upper arc-shaped material receiving frame 5 to rotate forward. After rotating to a specific position, the linkage member and the abutment rod 502 are staggered. At this time, the upper arc-shaped material receiving frame 5 and the abutment rod 502 rotate in the opposite direction, thereby realizing the reciprocating rotation of the upper arc-shaped material receiving frame 5. The main innovation of the present invention is that the rotating roller 3 drives the upper arc-shaped material receiving frame 5 to reciprocate in the process of rotating the crushed plastic parts, so that the upper arc-shaped material receiving frame 5 realizes the function of receiving plastic fragments and small granular plastics, and also realizes unexpected technical effects.

[0044] More, such as Figure 7 As shown, in the initial state, the upper arc-shaped receiving frame 5 completely covers the lower arc-shaped receiving frame 6. At this time, all the plastic fragments and small plastic particles fall on the upper arc-shaped receiving frame 5. The plastic parts to be crushed are put into the shell 1 from the feeding hopper 2 arranged on the top of the shell 1. The plastic parts fall on the rotating roller 3. As the rotating roller 3 rotates, the plurality of crushing teeth 301 are driven to rotate. The rotating crushing teeth 301 drive the plastic parts to between the crushing teeth 301 and the triangular notch 401, and the plastic parts are crushed under the action of the rotation force of the crushing teeth 301. The crushed plastic fragments and small plastic particles fall on the upper arc-shaped receiving frame 5. At the same time, the rotating roller 3 also drives The connecting piece rotates to make the connecting piece abut against the abutting rod 502 and push the abutting rod 502 to drive the upper arc-shaped material receiving frame 5 to rotate forwardly. The forward rotation of the upper arc-shaped material receiving frame 5 causes the plastic fragments on the upper arc-shaped material receiving frame 5 to slide and the small plastic particles to roll. During the rolling process, the small plastic particles can pass through the filtering holes on the upper arc-shaped material receiving frame 5 and fall on the lower arc-shaped material receiving frame 6. The distance between the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6 can accommodate the small plastic particles. Then, as the forward rotation angle of the upper arc-shaped material receiving frame 5 continues to increase, the plastic fragments on the upper arc-shaped material receiving frame 5 slide out from the end of the upper arc-shaped material receiving frame 5 to the lower arc-shaped material receiving frame 6. Figure 8As shown, during this process, the coverage area of ​​the upper arc-shaped material receiving frame 5 on the lower arc-shaped material receiving frame 6 becomes smaller and smaller, and the broken plastic fragments and small-granular plastics fall on the lower arc-shaped material receiving frame 6. Then, the linkage member and the abutment rod 502 are staggered, so that the upper arc-shaped material receiving frame 5 rotates in the opposite direction. Since the distance between the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6 is less than the minimum thickness of the plastic fragments, the end surface of the upper arc-shaped material receiving frame 5 pushes the plastic fragments on the lower arc-shaped material receiving frame 6 to move during the reverse rotation of the upper arc-shaped material receiving frame 5. During the movement, the plastic fragments drive the small-granular plastics to roll along the inner wall of the lower arc-shaped material receiving frame 6 so that the small-granular plastics pass through the filter holes on the lower arc-shaped material receiving frame 6 during the rolling process and fall into the small-granular plastic cavity 104. As the upper arc-shaped material receiving frame 5 further rotates in the opposite direction, the upper arc-shaped material receiving frame 5 continuously pushes the plastic fragments on the lower arc-shaped material receiving frame 6 to the end of the lower arc-shaped material receiving frame 6 and separates from the lower arc-shaped material receiving frame 6 and falls into the plastic fragment cavity 103, thereby realizing the sorting of plastic fragments and small-particle plastics; moreover, since the plastic fragments are separated from the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6 by the large rotation of the upper arc-shaped material receiving frame 5, the plastic fragments all fall onto the lower arc-shaped material receiving frame 6 and are pushed by the upper arc-shaped material receiving frame 5 to separate from the lower arc-shaped material receiving frame 6, the pushing-type movement amplitude is obviously larger than the movement amplitude brought about by vibration in the prior art, thereby improving the efficiency of the plastic fragments separating from the lower arc-shaped material receiving frame 6.

[0045] It can be seen that the present invention creatively improves the material receiving frame in the prior art into an upper arc-shaped material receiving frame 5 and a lower arc-shaped material receiving frame 6 arranged up and down, the upper arc-shaped material receiving frame 5 is rotatably arranged, the lower arc-shaped material receiving frame 6 is fixedly arranged, and the abutting rod 502 on the upper arc-shaped material receiving frame 5 is intermittently abutted with the connecting piece on the rotating roller 3, so that the rotating roller 3 can not only crush the plastic parts during rotation, but also drive the upper arc-shaped material receiving frame 5 to reciprocate, and the positive rotation of the upper arc-shaped material receiving frame 5 is cleverly utilized to make the upper arc-shaped material receiving frame 5 rotate back and forth. The plastic fragments on the upper arc-shaped material receiving frame 5 slide and the small plastic particles roll. During the rolling process, the small plastic particles can pass through the filter holes on the upper arc-shaped material receiving frame 5 and fall on the lower arc-shaped material receiving frame 6. As the positive rotation angle of the upper arc-shaped material receiving frame 5 increases, the plastic fragments on the upper arc-shaped material receiving frame 5 also slide from the end of the upper arc-shaped material receiving frame 5 to the lower arc-shaped material receiving frame 6. Then, the reverse rotation of the upper arc-shaped material receiving frame 5 is utilized. During the reverse rotation of the upper arc-shaped material receiving frame 5, the end of the upper arc-shaped material receiving frame 5 The upper arc-shaped material receiving frame 5 further rotates in the opposite direction, so that the upper arc-shaped material receiving frame 5 continuously pushes the plastic fragments on the lower arc-shaped material receiving frame 6 to the end of the lower arc-shaped material receiving frame 6 and separates from the lower arc-shaped material receiving frame 6 and falls into the plastic fragment cavity 103, thereby realizing the separation of plastic fragments and small-particle plastics; and, since the plastic fragments are separated from the upper arc-shaped material receiving frame 5 and the lower arc-shaped material receiving frame 6 by the large rotation of the upper arc-shaped material receiving frame 5, the plastic fragments all fall on the lower arc-shaped material receiving frame 6 and are separated from the lower arc-shaped material receiving frame 6 by the upper arc-shaped material receiving frame 5, and the pushing motion amplitude is obviously larger than the motion amplitude brought by the vibration in the prior art, thereby improving the efficiency of the plastic fragments being separated from the lower arc-shaped material receiving frame 6. It can be seen that the present invention not only improves the efficiency of plastic fragments being separated from the material receiving frame merely by improving the structure of the material receiving frame in the prior art, but also can realize the sorting of plastic fragments and small-particle plastics, thereby eliminating the setting of the material separation components and the discharging mechanism in the prior art and reducing the structure in the equipment.

[0046] In this embodiment, the linkage includes a base fixedly mounted on the rotating roller 3, a shaft rod 12 is fixedly mounted on the base, a push rod 13 is rotatably arranged on the shaft rod 12 and abuts against the abutment rod 502, a torsion spring (not shown in the figure) is installed between the shaft rod 12 and the push rod 13, the torsion spring is fixedly connected to the shaft rod 12, the end of the torsion spring abuts against the push rod 13, and the push rod 13 is elastically rotated based on the torsion force of the torsion spring. The setting of using the torsion spring to realize the elastic rotation of the push rod 13 is a prior art and will not be repeated. An abutment block (not shown in the figure) is abutted against the bottom surface of the push rod 13, and the push rod 13 is located between the abutment block and the end of the torsion spring. The function of the abutment block is to limit the push rod 13 when the push rod 13 is not abutted against the abutment rod 502 so that the push rod 13 is stably located at a specific angle and does not rotate. When the push rod 13 abuts against the abutment rod 502, the bottom surface of the push rod 13 abuts against the abutment rod 502. As the rotating roller 3 rotates, the abutment rod 502 generates a pushing force on the push rod 13 toward the end of the torsion spring. The force of the driving torsion spring to generate deformation is greater than the rotational resistance of the upper arc-shaped material receiving frame 5. When the rotating roller 3 rotates, it drives the base to rotate synchronously. The base drives the pushing rod 13 to rotate through the shaft 12 and the torsion spring. During the rotation of the pushing rod 13, it first abuts against the abutting rod 502. Based on the fact that the force of the driving torsion spring to generate deformation is greater than the rotational resistance of the upper arc-shaped material receiving frame 5, the pushing rod 13 abuts against the abutting rod 502 during the rotation process, and can push the abutting rod 502 and the upper arc-shaped material receiving frame 5 to rotate forward. When the upper arc-shaped material receiving frame 5 After the frame 5 rotates to the extreme position, the upper arc-shaped material receiving frame 5 stops rotating. At this time, under the blocking action of the abutment rod 502, the push rod 13 squeezes the end of the torsion spring to deform the torsion spring to allow the push rod 13 to elastically rotate. During the elastic rotation, the push rod 13 gradually separates from the abutment rod 502 until the push rod 13 separates from the abutment rod 502 and the upper arc-shaped material receiving frame 5 starts to rotate in the opposite direction until the upper arc-shaped material receiving frame 5 is reset. After that, the rotating roller 3 drives the push rod 13 to abut against the abutment rod 502 again, and the cycle repeats.

[0047] Among them, there are two connecting parts and they are fixedly installed on the two ends of the outer surface of the rotating roller 3 in a one-to-one manner. The two connecting parts are staggered with the pier block 4. There are also two abutment rods 502 and they are abutted and cooperated with the pushing rods 13 on the two connecting parts in a one-to-one manner, so as to improve the force balance of the upper arc-shaped material receiving frame 5.

[0048] In this embodiment, a hopper 2 is fixedly installed on the top of the shell 1, and the bottom of the hopper 2 is intermittently blocked during the rotation of the upper arc-shaped material receiving frame 5 to reduce the probability of plastic fragments generated when the plastic parts are broken jumping out of the hopper 2. Specifically, the hopper 2 is used to put plastic parts that need to be broken. Since plastic parts will produce fragments when they are broken, some of the plastic fragments will rebound upward into the hopper 2, and even jump out from the top of the hopper 2. Once plastic fragments jump out, it is very easy to cause harm to the operator. In the present invention, based on the rotation design of the upper arc-shaped material receiving frame 5, the upper arc-shaped material receiving frame 5 can intermittently block the bottom of the hopper 2 during the rotation process, thereby reducing the probability of plastic fragments generated when the plastic parts are broken jumping out of the hopper 2, and playing a role in protecting the operator. It can be seen that the rotation design of the upper arc-shaped material receiving frame 5 has an unexpected technical effect.

[0049] Furthermore, a self-locking motor is installed on the shell 1, and the output shaft of the self-locking motor is connected to the rotating roller 3 through a coupling. The self-locking motor drives the rotating roller 3 to rotate. The self-locking motor drives the rotating roller 3 to rotate. When the rotating roller 3 drives the upper arc-shaped material receiving frame 5 to rotate through the abutment between the push rod 13 and the abutment rod 502, when the upper arc-shaped material receiving frame 5 rotates to the extreme position, its end abuts against the lower extension plate 201 on the feeding hopper 2 so that the bottom opening of the feeding hopper 2 is blocked by the upper arc-shaped material receiving frame 5. At this time, the self-locking motor stops running to keep the bottom opening of the feeding hopper 2 in a blocked state, thereby preventing external dust from entering the shell 1 through the feeding hopper 2. Specifically, the self-locking motor is a prior art and will not be described in detail. The function of the self-locking motor in this embodiment is to drive the rotating roller 3 to rotate while also being able to lock the rotating roller 3 at any angle. The lower extension plate 201 is a portion of the side of the feeding hopper 2 that extends downward, and is used to abut against the end of the upper arc-shaped material receiving frame 5, thereby limiting the upper arc-shaped material receiving frame 5 from continuing to rotate forward. When the end of the upper arc-shaped material receiving frame 5 abuts against the lower extension plate 201, the upper arc-shaped material receiving frame 5 rotates forward to the limit position, and then the self-locking motor stops running, so that the push rod 13 squeezes the abutment rod 502 so that the upper arc-shaped material receiving frame 5 cannot rotate in the opposite direction, and then the upper arc-shaped material receiving frame 5 is locked in the limit position. At this time, the upper arc-shaped material receiving frame 5 blocks the bottom of the feeding hopper 2, so that dust cannot enter the housing 1 from the feeding hopper 2. When the rotating roller 3 continues to rotate, the abutting rod 502 squeezes the pushing rod 13 to rotate elastically so that the pushing rod 13 and the abutting rod 502 are staggered. At this time, the upper arc-shaped receiving frame 5 is unlocked and rotates in the opposite direction.

[0050] Since there is usually a lot of dust in the waste recycling workshop, when the equipment is not working for a long time, dust can easily enter the shell 1 from the hopper 2, so that when the crushing work is performed, dust will be mixed in the plastic fragments and small plastic particles. Obviously, it is necessary to reduce the dust from entering the shell 1. The present invention cleverly uses the design of the upper arc-shaped material receiving frame 5, so that when the upper arc-shaped material receiving frame 5 is rotated to the extreme position, the bottom of the hopper 2 can be blocked, and the upper arc-shaped material receiving frame 5 can be locked in the extreme position so that dust cannot enter the shell 1 from the hopper 2 when the equipment is not working, which can effectively reduce the dust from entering the shell 1. It can be seen that the rotation design of the upper arc-shaped material receiving frame 5 has an unexpected technical effect.

[0051] Furthermore, when the upper arc-shaped material receiving frame 5 blocks the bottom opening of the feeding hopper 2 , the bottom opening of the feeding hopper 2 is staggered with the filter holes on the upper arc-shaped material receiving frame 5 , so that dust will not pass through the upper arc-shaped material receiving frame 5 .

[0052] A cleaning plate 15 is detachably mounted on the hopper 2 by screws, and a cleaning cotton 1501 is bonded to the bottom of the cleaning plate 15. The cleaning cotton 1501 abuts against the outer side of the upper arc-shaped material receiving frame 5 so that the cleaning cotton 1501 wipes the dust adhered to the outer side of the upper arc-shaped material receiving frame 5 when the upper arc-shaped material receiving frame 5 rotates. When the upper arc-shaped material receiving frame 5 blocks the bottom of the hopper 2, dust will fall on the outer side of the upper arc-shaped material receiving frame 5. By setting the cleaning cotton 1501 on the cleaning plate 15, it is possible to wipe the dust on the outer side of the upper arc-shaped material receiving frame 5, thereby preventing the dust from falling into the housing 1 during the reciprocating rotation of the upper arc-shaped material receiving frame 5. Furthermore, since the cleaning plate 15 is detachably mounted on the hopper 2, rather than being located in the housing 1, it is very convenient to disassemble the cleaning plate 15.

[0053] In this embodiment, the technical solution for realizing the reverse rotation of the upper arc-shaped material receiving frame 5 is as follows: a counterweight 9 is fixedly installed on the upper arc-shaped material receiving frame 5, and after the end of the upper arc-shaped material receiving frame 5 abuts against the lower extension plate 201 on the feeding hopper 2, as the rotating roller 3 further rotates and under the blocking action of the abutment rod 502, the push rod 13 is driven to rotate elastically until the push rod 13 passes over the abutment rod 502, at which time the upper arc-shaped material receiving frame 5 is driven to rotate in the reverse direction under the action of the gravity of the counterweight 9. Specifically, when the upper arc-shaped material receiving frame 5 is located at the extreme position, the counterweight 9 is located on the right side of the vertical axis of the upper arc-shaped material receiving frame 5, and the gravity of the counterweight 9 can overcome the sliding resistance of the upper arc-shaped material receiving frame 5, so that when the push rod 13 passes over the abutment rod 502 and staggers, the upper arc-shaped material receiving frame 5 is driven to rotate in the reverse direction under the action of the gravity of the counterweight 9.

[0054] Further, such as Figure 4As shown, a spring 10 is fixedly mounted on the counterweight 9, and the counterweight 9 is driven to rotate synchronously during the reverse rotation of the upper arc-shaped receiving frame 5, so that the free end of the counterweight 9 collides with the lower arc-shaped receiving frame 6, thereby starting the buffering effect on the upper arc-shaped receiving frame 5. There are multiple springs 10 and they are evenly arranged on the counterweight 9.

[0055] In this embodiment, a baffle 501 is fixedly installed on the inner side of the upper arc-shaped material receiving frame 5. The baffle 501 is located outside the maximum rotation range of the crushing tooth 301, so that it will not contact the rotating crushing tooth 301. The baffle 501 is located on the right side of the rotating roller 3, and the pier 4 is located on the left side of the rotating roller 3. If large plastic fragments of the plastic parts fly to the right side of the rotating roller 3 during the crushing process, they cannot be further crushed, thereby affecting the crushing rate of the plastic parts. In this embodiment, the baffle 501 is fixedly arranged on the upper arc-shaped material receiving frame 5, so that when plastic parts enter the right side area of ​​the rotating roller 3 during the crushing process of the plastic parts, the baffle 501 blocks them, and with the positive rotation of the upper arc-shaped material receiving frame 5, the baffle 501 is driven to push the plastic parts entering the right side area of ​​the rotating roller 3 onto the rotating roller 3 so that the rotating roller 3 in rotation drives the plastic parts to the pier 4 and continue to be crushed, thereby improving the crushing rate of the plastic parts. It can be seen that through further improvement of the structure of the upper arc-shaped material receiving frame 5, the upper arc-shaped material receiving frame 5 has the effect of improving the crushing rate of the plastic parts during the rotation process.

[0056] In this embodiment, two interception plates 14 arranged front and back are fixedly mounted on 4, the two interception plates 14 are mounted above 3 and are not in contact with the outer peripheral surface of 3, the distance between the bottom of the interception plate 14 and the outer peripheral surface of 3 is not greater than the minimum thickness of the plastic part, a plurality of 301 are located between the two interception plates 14, the linkage parts are staggered from the two interception plates 14, and the two interception plates 14 are used to block the plastic parts to prevent them from falling from the front and back sides of 3.

[0057] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A waste recycling device based on plastic injection molding, comprising a housing (1), a block (4) fixedly installed in the housing (1), and a rotating roller (3) cooperating with the block (4) to crush the plastic parts, characterized in that: The housing (1) is formed with a plastic fragment cavity (103) and a small plastic particle cavity (104) which are separated from each other; An upper arc-shaped material receiving frame (5) is rotatably arranged in the shell (1), and a lower arc-shaped material receiving frame (6) is fixedly installed coaxially with the upper arc-shaped material receiving frame (5), the lower arc-shaped material receiving frame (6) is located outside the upper arc-shaped material receiving frame (5), and the distance between the lower arc-shaped material receiving frame (6) and the upper arc-shaped material receiving frame (5) is less than the minimum thickness of the plastic part, and plastic fragments and small plastic particles formed by the crushing of the plastic part fall on the upper arc-shaped material receiving frame (5) and the lower arc-shaped material receiving frame (6); The rotating roller (3) is provided with a linkage, and the upper arc-shaped receiving frame (5) is fixedly provided with an abutment rod (502). The rotating roller (3) rotates to crush the plastic parts, and drives the linkage to intermittently abut against the abutment rod (502) so that the upper arc-shaped receiving frame (5) can realize reciprocating rotation. When the upper arc-shaped receiving frame (5) rotates in the positive direction, the plastic fragments on the upper arc-shaped receiving frame (5) are transferred to the lower arc-shaped receiving frame (6). When the receiving frame (5) rotates in the reverse direction, the plastic fragments on the lower arc receiving frame (6) are pushed to slide out from the end of the lower arc receiving frame (6) and fall into the plastic fragment cavity (103). During the reciprocating rotation of the upper arc receiving frame (5), the small particles of plastic on the upper arc receiving frame (5) and the lower arc receiving frame (6) are caused to roll and pass through the filtering holes on the upper arc receiving frame (5) and the lower arc receiving frame (6) and fall into the small particles of plastic cavity (104).

2. The waste recycling equipment based on plastic parts injection molding according to claim 1 is characterized in that: The linkage comprises a base fixedly mounted on a rotating roller (3), a shaft (12) fixedly mounted on the base, a push rod (13) rotatably arranged on the shaft (12) and abutting against an abutting rod (502), a torsion spring mounted between the shaft (12) and the push rod (13), the torsion spring being fixedly connected to the shaft (12), an end of the torsion spring abutting against the push rod (13), and elastic rotation of the push rod (13) being achieved based on the torsion force of the torsion spring.

3. The waste recycling equipment based on plastic parts injection molding according to claim 2 is characterized in that: A feeding hopper (2) is fixedly mounted on the top of the shell (1), and the bottom opening of the feeding hopper (2) is intermittently blocked during the rotation of the upper arc-shaped receiving frame (5) to reduce the probability of plastic fragments generated when the plastic parts are broken jumping out of the feeding hopper (2).

4. The waste recycling equipment based on plastic injection molding according to claim 3 is characterized in that: A self-locking motor is installed on the shell (1), and the output shaft of the self-locking motor is connected to the rotating roller (3). The self-locking motor drives the rotating roller (3) to rotate. When the rotating roller (3) drives the upper arc-shaped material receiving frame (5) to rotate through the abutment between the pushing rod (13) and the abutment rod (502), when the upper arc-shaped material receiving frame (5) rotates to the extreme position, its end abuts against the lower extension plate (201) on the feeding hopper (2) so that the bottom opening of the feeding hopper (2) is blocked by the upper arc-shaped material receiving frame (5). At this time, the self-locking motor stops running so that the bottom opening of the feeding hopper (2) remains blocked, thereby preventing external dust from entering the shell (1) through the feeding hopper (2).

5. The waste recycling equipment based on plastic injection molding according to claim 4 is characterized in that: When the upper arc-shaped material receiving frame (5) blocks the bottom opening of the material feeding hopper (2), the bottom opening of the material feeding hopper (2) and the filtering holes on the upper arc-shaped material receiving frame (5) are staggered.

6. The waste recycling equipment based on plastic injection molding according to claim 4 is characterized in that: A cleaning plate (15) is detachably mounted on the feeding hopper (2), and cleaning cotton (1501) is bonded to the bottom of the cleaning plate (15). The cleaning cotton (1501) abuts against the outer side surface of the upper arc-shaped material receiving frame (5) so that when the upper arc-shaped material receiving frame (5) rotates, the cleaning cotton (1501) can wipe off the dust adhered to the outer side surface of the upper arc-shaped material receiving frame (5).

7. The waste recycling equipment based on plastic injection molding according to claim 4 is characterized in that: A counterweight (9) is fixedly mounted on the upper arc-shaped material receiving frame (5). After the end of the upper arc-shaped material receiving frame (5) abuts against the lower extension plate (201) on the feeding hopper (2), as the rotating roller (3) further rotates and under the blocking action of the abutment rod (502), the push rod (13) is driven to elastically rotate until the push rod (13) passes over the abutment rod (502). At this time, the upper arc-shaped material receiving frame (5) is driven to rotate in the opposite direction under the action of the gravity of the counterweight (9).

8. The waste recycling equipment based on plastic injection molding according to claim 7 is characterized in that: A spring (10) is fixedly mounted on the counterweight (9), and the upper arc-shaped material receiving frame (5) drives the counterweight (9) to rotate synchronously during the reverse rotation, so that the free end of the counterweight (9) collides with the lower arc-shaped material receiving frame (6).

9. The waste recycling equipment based on plastic injection molding according to claim 1 is characterized in that: A baffle (501) is fixedly mounted on the inner side of the upper arc-shaped material receiving frame (5). When a plastic part enters the right side area of ​​the rotating roller (3) during the crushing process of the plastic parts, the baffle (501) blocks it. As the upper arc-shaped material receiving frame (5) rotates in the forward direction, the baffle (501) is driven to push the plastic part entering the right side area of ​​the rotating roller (3) onto the rotating roller (3), so that the rotating roller (3) drives the plastic part to the pier (4) and continues to crush it.

10. The waste recycling equipment based on plastic injection molding according to claim 1 is characterized in that: The shell (1) comprises two fixing plates (105) fixedly arranged at the bottom thereof and arranged opposite to each other, a collecting box (11) is slidably arranged between the two fixing plates (105), and the bottom opening of the small particle plastic cavity (104) passes through the bottom of the shell (1) and is in communication with the collecting box (11).

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