A pre-treatment device for injection molding raw material

Abstract

The utility model discloses a kind of pretreatment devices of injection molding raw material, comprising: distribution box, multiple distribution trays, multiple unloading plates, multiple discharge ports, multiple material receiving baskets and reciprocating drive assembly. The top of distribution box is provided with feeding port. Multiple distribution trays are mutually V-shaped obliquely slid in distribution box, and multiple distribution trays are all fixed with sieve plate, and the bottom end of multiple distribution trays is provided with discharge head. Multiple unloading plates are all fixed on the inner wall of distribution box, and are respectively arranged at the bottom of multiple distribution trays, and the end of unloading plate close to discharge head is provided with unloading port between the inner side wall of distribution box. Multiple discharge ports are respectively opened in the sidewall of distribution box, and are respectively arranged at multiple discharge heads, and the top end of discharge head extends out of distribution box from discharge port. Multiple material receiving baskets are respectively installed on the sidewall of distribution box, and are respectively arranged at the bottom of multiple discharge ports. The utility model is through relevant structure design, effectively improve the efficiency and accuracy of injection molding raw material classification.

Description

Technical Field

[0001] This utility model belongs to the field of raw material pretreatment technology, specifically relating to a pretreatment device for injection molding raw materials. Background Technology

[0002] Existing raw material pretreatment equipment typically melts and injects raw materials directly during use. However, the size of the raw materials varies, which leads to different melting times. This can cause spots and bubbles to appear on the injection molded parts, reducing the quality of the finished product. Therefore, a material sorting device is usually needed to classify raw materials of different sizes.

[0003] Existing patent CN202420905246.2 discloses a pretreatment device for raw materials used in injection molding of handicrafts, including a treatment tank; a filter plate is provided inside the treatment tank, a round shaft is provided inside the treatment tank, the top of the round shaft passes through the filter plate, and a receiving box is provided on the side wall of the treatment tank.

[0004] Although the above technology can drive the raw material to filter on the filter plate by rotating the rotating rod, the device can easily cause the raw material to block the filter plate by rotating the rod alone. In addition, the rotation of the rotating rod alone cannot effectively discharge the raw material from the outlet.

[0005] Therefore, in order to address the above-mentioned technical problems, it is necessary to provide a pretreatment device for injection molding raw materials.

[0006] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] The purpose of this invention is to provide a pretreatment device for injection molding raw materials, which can solve the problems of easy clogging of filter plates and poor material discharge effect in the prior art.

[0008] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0009] A pretreatment device for injection molding raw materials includes: a material distribution box, multiple material distribution trays, multiple material feeding plates, multiple material outlets, multiple material receiving baskets, and a reciprocating drive assembly.

[0010] The top of the material distribution box is provided with a feeding port. Multiple material distribution discs slide obliquely within the material distribution box in a V-shape, and each disc is fixed with a sieve plate. Each disc has a discharge head at its bottom. Multiple feeding plates are fixed to the inner wall of the material distribution box and are located at the bottom of the discs. The end of each feeding plate near the discharge head has a discharge port between the inner side walls of the box. Multiple discharge ports are respectively carved into the side walls of the box and located at the discharge heads, with the top of each discharge head extending outside the box. Multiple receiving baskets are respectively installed on the side walls of the box and located at the bottom of the discharge ports. The reciprocating drive assembly is installed on the outer wall of the box and drives the multiple material distribution discs to slide reciprocally.

[0011] In one embodiment of this utility model, a first slider is fixed to the top sidewall of each of the plurality of dispensing trays, and a first slide rail adapted to the first slider is fixed to the inner sidewall of each dispensing box. The top of the dispensing tray slides within the first slide rail via the first slider, thereby sliding against the sidewall of the dispensing box.

[0012] In one embodiment of this utility model, a plurality of the dispensing discs are each fixed with a second slider on the bottom wall of one end of the discharge head, and a second slide rail adapted to the second slider is fixed on the inner side wall of the dispensing box. The bottom end of the dispensing disc slides within the second slide rail via the second slider, thereby sliding against the inner wall of the dispensing box.

[0013] In one embodiment of this utility model, a pair of inwardly tapering second receiving plates are fixed to the upper top wall of each of the plurality of feeding plates near the feeding port. The pair of second receiving plates guide the raw material sliding downward on the feeding plates toward the center, allowing the raw material to slide into the distribution tray below, preventing the raw material from sliding down from the sides of the feeding plates and failing to fall into the distribution tray below.

[0014] In one embodiment of this utility model, multiple material distribution blocks are fixed at equal intervals between a pair of second receiving plates on the plurality of feeding plates. The multiple material distribution blocks are used to divert the raw materials sliding down the feeding plates, so that the raw materials can slide evenly into the material distribution tray located below.

[0015] In one embodiment of this utility model, a pair of inwardly tapering first receiving plates are fixed at one end of the discharge head on each of the plurality of distributing discs. The pair of first receiving plates are used to tape the outlet of the discharge head inward, preventing raw materials from splashing out of the receiving basket when the distributing discs shake back and forth.

[0016] In one embodiment of this utility model, baffles are fixed on the bottom wall of one end of the plurality of distributing discs near the discharge head. When the raw material slides down from the feeding plate, it has a certain inertia. The baffles are used to block the raw material sliding down from the feeding plate, preventing the raw material from splashing out of the distributing discs and causing the raw material to slide into the distributing discs below.

[0017] In one embodiment of this utility model, hooks are fixed to the bottom ends of multiple discharge ports on both side walls of the material distribution box, and hanging grooves are provided on the side of the multiple material collection baskets near the material distribution box. The hanging grooves are hung on the hooks. The material collection baskets are secured to the side walls of the material distribution box by the hanging grooves and hooks.

[0018] In one embodiment of this utility model, the reciprocating drive assembly includes: multiple control arms, multiple control rings, a bearing seat, and multiple eccentric cams. The multiple control arms are respectively fixed to one side of multiple dispensing discs and slide on the side wall of the dispensing box. The multiple control rings are respectively fixed to the ends of the multiple control arms located outside the dispensing box. The bearing seat is fixed to the side wall of the dispensing box, and a drive shaft is mounted on it. The multiple eccentric cams are all fixed to the drive shaft and are respectively located within the multiple control rings. The drive shaft, located at the top of the bearing seat, requires an external drive motor. The motor drives the drive shaft to rotate, which in turn drives the multiple eccentric cams to rotate. When the multiple eccentric cams rotate within the multiple control rings, the eccentric ends of the eccentric cams push back and forth against the side wall of the control rings, causing the control rings to reciprocate. Thus, the multiple control rings, through the multiple control arms, drive the multiple dispensing discs to reciprocate.

[0019] In one embodiment of this utility model, a support seat is fixed at the bottom of multiple control rings on the outer side of the material distribution box, and the transmission shaft rotates on the multiple support seats, which are used to support the transmission shaft.

[0020] Compared with the prior art, the pretreatment device for injection molding raw materials of this utility model effectively improves the efficiency and accuracy of sorting injection molding raw materials through relevant structural design. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a perspective view of a pretreatment device for injection molding raw materials according to an embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the internal structure of a pretreatment device for injection molding raw materials according to an embodiment of the present invention.

[0024] Figure 3 This is a schematic diagram of the material distribution box in one embodiment of the present invention;

[0025] Figure 4 for Figure 3 Schematic diagram of the structure at point A;

[0026] Figure 5 This is a schematic diagram of the material distribution tray in one embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the receiving basket in one embodiment of the present invention.

[0028] Explanation of key figure labels:

[0029] 1-Distribution box, 101-Distribution plate, 102-Feeding port, 103-Discharge port, 104-Discharge head, 105-First receiving plate, 106-First slider, 107-Second slider, 108-Discharge plate, 109-First slide rail, 110-Second slide rail, 111-Discharge port, 112-Baffle, 113-Second receiving plate, 114-Distribution block, 115-Receiving basket, 116-Hook, 117-Hanging groove, 118-Screen plate, 119-Control arm, 120-Control ring, 121-Shaft seat, 122-Drive shaft, 123-Eccentric cam, 124-Support seat. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0031] like Figures 1 to 6 As shown, a pretreatment device for injection molding raw materials in one embodiment of the present invention includes: a material distribution box 1, multiple material distribution trays 101, multiple material feeding plates 108, multiple material outlets 103, multiple material receiving baskets 115, and a reciprocating drive assembly.

[0032] like Figures 1 to 6As shown, a feeding port 102 is provided on the top of the material distribution box 1. Multiple material distribution discs 101 slide obliquely within the material distribution box 1 in a V-shape, and each disc 101 is fixed with a sieve plate 118. Each disc 101 has a discharge head 104 at its bottom. Multiple discharge plates 108 are fixed to the inner wall of the material distribution box 1 and are located at the bottom of the discs 101. The end of each discharge plate 108 near the discharge head 104 has a discharge port 111 between the inner side walls of the material distribution box 1. Multiple discharge ports 103 are respectively carved into the side walls of the material distribution box 1 and are located at the discharge heads 104. The top of each discharge head 104 extends out of the material distribution box 1 from the discharge port 103. Multiple collection baskets 115 are respectively installed on the side walls of the material distribution box 1 and are located at the bottom of the discharge ports 103. The reciprocating drive assembly is installed on the outer wall of the material distribution box 1 and is used to drive multiple material distribution discs 101 to slide back and forth.

[0033] The feeding port 102 is used to add raw materials to be screened into the distribution box 1. The aperture of the screen plates 118 in the multiple distribution trays 101 gradually decreases from top to bottom, and the screen plates 118 are used to screen raw materials of different sizes. The screened raw materials slide out of the distribution tray 101 through the discharge head 104 and fall into the collection basket 115. The discharge plate 108 is used to slide the raw materials that are not screened in the distribution tray 101 above it down its top wall to the discharge port 111 and fall down into the next distribution tray 101. The discharge plate 108 also allows the raw materials that have not been screened to slide to the top of the next distribution tray 101, so that the raw materials slide from the top to the bottom of the distribution tray 101, thereby increasing the rolling path of the raw materials on the distribution tray 101 and thus screening the raw materials more effectively. The reciprocating drive assembly is used to control the reciprocating sliding of multiple distribution discs 101, thereby increasing the rolling efficiency of raw materials on the distribution discs 101 and preventing the accumulation of raw materials.

[0034] like Figures 1 to 6 As shown, each of the multiple dispensing trays 101 has a first slider 106 fixed to its top sidewall, and each of the dispensing boxes 1 has a first slide rail 109 adapted to the first slider 106 fixed to its inner sidewall. The top of the dispensing tray 101 slides within the first slide rail 109 via the first slider 106, thereby sliding against the sidewall of the dispensing box 1. Each of the multiple dispensing trays 101 has a second slider 107 fixed to its bottom wall at one end of the discharge head 104, and each of the dispensing boxes 1 has a second slide rail 110 adapted to the second slider 107 fixed to its inner sidewall. The bottom of the dispensing tray 101 slides within the second slide rail 110 via the second slider 107, thereby sliding against the inner wall of the dispensing box 1.

[0035] like Figures 1 to 6As shown, a pair of inwardly tapering second receiving plates 113 are fixed to the upper top wall of each of the multiple feeding plates 108 near the feeding port 111. These second receiving plates 113 guide the raw material sliding downwards on the feeding plates 108 towards the center, allowing it to fall into the distribution tray 101 below, preventing it from sliding down from the sides of the feeding plates 108 and failing to reach the distribution tray 101. Multiple distribution blocks 114 are fixed at equal intervals between the pairs of second receiving plates 113 on the multiple feeding plates 108. These distribution blocks 114 divert the raw material sliding downwards from the feeding plates 108, ensuring it falls evenly into the distribution tray 101 below.

[0036] like Figures 1 to 6 As shown, each of the multiple distribution trays 101 has a pair of inwardly tapering first receiving plates 105 fixed at one end of the discharge head 104. These first receiving plates 105 are used to narrow the outlet of the discharge head 104 inwards, preventing raw materials from splashing outside the receiving basket 115 when the distribution trays 101 swing back and forth. Baffles 112 are fixed to the bottom wall of the multiple distribution trays 101 near the discharge head 104. When raw materials slide down from the feed plate 108, they have a certain inertia. The baffles 112 are used to block the raw materials sliding down from the feed plate 108, preventing them from splashing outside the distribution trays 101 and allowing them to slide into the distribution trays 101 below. Hooks 116 are fixed to the bottom of multiple discharge ports 103 on both sides of the material distribution box 1. Each of the multiple receiving baskets 115 has a hanging groove 117 on the side near the material distribution box 1, and the hanging groove 117 is hung on the hooks 116. The receiving baskets 115 are secured to the side wall of the material distribution box 1 by the hanging groove 117 and the hooks 116.

[0037] like Figures 1 to 6As shown, the reciprocating drive assembly includes: multiple control arms 119, multiple control rings 120, a bearing seat 121, and multiple eccentric cams 123. The multiple control arms 119 are respectively fixed to one side of multiple distributing discs 101 and slide on the side wall of the distributing box 1. The multiple control rings 120 are respectively fixed to one end of the multiple control arms 119 located outside the distributing box 1. The bearing seat 121 is fixed to the side wall of the distributing box 1, and a drive shaft 122 is mounted on it. The multiple eccentric cams 123 are all fixed to the drive shaft 122 and are respectively located within the multiple control rings 120. The drive shaft 122, located at the top of the bearing seat 121, requires an external drive motor to rotate. The motor model is FI-375150. The drive shaft 122 drives multiple eccentric cams 123 to rotate. When the multiple eccentric cams 123 rotate within multiple control rings 120, the eccentric ends of the eccentric cams 123 push the sidewalls of the control rings 120 back and forth, causing the control rings 120 to move back and forth. At this time, the multiple control rings 120 drive multiple material distribution discs 101 to slide back and forth through multiple control arms 119.

[0038] like Figures 1 to 6 As shown, a support base 124 is fixed at the bottom of multiple control rings 120 on the outer side of the material distribution box 1, and the drive shaft 122 rotates on the multiple support bases 124. The multiple support bases 124 are used to support the drive shaft 122.

[0039] Working principle: In use, the drive motor first drives the transmission shaft 122 to rotate, which in turn drives multiple eccentric cams 123 to rotate. As the multiple eccentric cams 123 rotate within multiple control rings 120, the eccentric ends of the eccentric cams 123 push back and forth against the sidewalls of the control rings 120, causing the control rings 120 to move reciprocally. At this time, the multiple control rings 120 drive multiple distributing discs 101 to slide reciprocally through multiple control arms 119. Multiple receiving baskets 115 are then engaged below multiple discharge ports 103.

[0040] Subsequently, the raw material is added into the distribution box 1 through the feeding port 102. The raw material falls from the feeding port 102 onto the top distribution plate 101 and slides along the inner wall of the distribution plate 101 from its top to one end of the discharge head 104. As the raw material slides within the distribution plate 101, it is screened by the sieve 218 inside. The screened raw material slides out through the discharge head 104 and falls into the collection basket 115. The unscreened raw material falls through the sieve holes of 218 onto the discharge plate 108 and slides down along the discharge plate 108 to the discharge port 111, and then falls down onto the next distribution plate 101 for screening. In this way, the raw material is screened back and forth on multiple distribution plates 101, and finally screened out according to different sizes.

[0041] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A pretreatment device for injection molding raw materials, characterized in that, include: The material distribution box has a feeding port on its top. Multiple material dispensing discs slide obliquely in a V-shape within the material dispensing box, and each of the multiple material dispensing discs is fixed with a sieve plate, and each of the multiple material dispensing discs is provided with a discharge head at its bottom. Multiple feeding plates are fixed on the inner wall of the distribution box and are respectively located at the bottom of multiple distribution trays. The feeding plate has a feeding port between the inner side wall of the distribution box and the discharge head. Multiple discharge ports are respectively carved into the two side walls of the distribution box and are respectively located at multiple discharge heads, the top of the discharge head extending out of the distribution box from the discharge port; Multiple receiving baskets are installed on both sides of the distribution box and located at the bottom of multiple discharge ports; and The reciprocating drive assembly is installed on the outer wall of the material distribution box and is used to drive multiple material distribution discs to slide back and forth.

2. The pretreatment device for injection molding raw materials according to claim 1, characterized in that, Each of the multiple material dispensing trays has a first slider fixed on its top sidewall, and each of the material dispensing boxes has a first slide rail that is adapted to the first slider fixed on its inner sidewall.

3. The pretreatment device for injection molding raw materials according to claim 2, characterized in that, Each of the multiple material dispensing discs is fixed with a second slider on the bottom wall at one end of the discharge head, and each of the inner sidewalls of the material dispensing box is fixed with a second slide rail adapted to the second slider.

4. The pretreatment device for injection molding raw materials according to claim 1, characterized in that, Each of the multiple feeding plates has a pair of inwardly tapering second receiving plates fixed on the upper top wall near the feeding port.

5. The pretreatment device for injection molding raw materials according to claim 4, characterized in that, On the multiple feeding plates, multiple material dividing blocks are fixed at equal intervals between a pair of second receiving plates.

6. The pretreatment device for injection molding raw materials according to claim 1, characterized in that, Each of the multiple material distribution discs has a pair of inwardly tapering first receiving plates fixed at one end of the material outlet.

7. The pretreatment device for injection molding raw materials according to claim 1, characterized in that, A baffle is fixed on the bottom wall of one end of each of the multiple material distribution discs near the discharge head.

8. The pretreatment device for injection molding raw materials according to claim 1, characterized in that, Hooks are fixed to the bottom of multiple discharge ports on both sides of the material distribution box, and hanging slots are provided on the side of multiple material collection baskets near the material distribution box, with the hanging slots hanging on the hooks.

9. The pretreatment device for injection molding raw materials according to claim 1, characterized in that, The reciprocating drive component includes: Multiple control arms are fixed to one side of multiple dispensing trays and slide on the side wall of the dispensing box; Multiple control rings are fixed to one end of multiple control arms located outside the material distribution box; A shaft seat, fixed to the side wall of the distribution box, on which a drive shaft is mounted; and Multiple eccentric cams are fixed on the drive shaft and are respectively located in multiple control loops.

10. A pretreatment device for injection molding raw materials according to claim 9, characterized in that, The outer side of the material distribution box is provided with support bases at the bottom of multiple control rings, and the transmission shaft rotates on multiple support bases.

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