Natural rubber primary processing crusher

Abstract

The utility model discloses a natural rubber primary processing crusher which comprises a crusher shell and an automatic sieving feeding mechanism installed outside the crusher shell, a supporting frame is arranged between the inner walls of two limiting sliding grooves in a sliding mode, a material receiving disc is arranged on the inner wall of the supporting frame in a rotating mode, and a plurality of sieving holes are formed in one side of the bottom of the material receiving disc at equal intervals. A connecting rod is rotationally installed in the middle of the top of the supporting frame. According to the rubber crushing device, after crushed rubber falls on the material receiving disc through the discharging groove, due to the fact that the material receiving disc inclines, the rubber rolls, small-size rubber directly falls from the sieve holes and is collected through the collecting frame, and large-size rubber moves the material receiving disc upwards to the edge of the feeding groove by starting the first electric telescopic rod; and a second electric telescopic rod is started to incline reversely, the large-size rubber rolls into the feeding groove and is subjected to secondary crushing through a crushing roller, manual collection and feeding by workers are not needed in the whole process, the manual burden is reduced, and meanwhile the crushing efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of primary processing of natural rubber, in particular to a primary processing crusher for natural rubber. Background Technique

[0002] Natural rubber is a natural high-molecular compound mainly composed of cis-1,4-polyisoprene. Among its components, 91% - 94% is rubber hydrocarbon (cis-1,4-polyisoprene), and the rest are non-rubber substances such as proteins, fatty acids, ash, and sugars. Natural rubber is the most widely used general-purpose rubber. When using natural rubber for article production, it needs to be crushed, then melted, and finally processed into a shape. During this process, the crusher used for natural rubber processing plays a very important role.

[0003] In view of this, Chinese Patent No. CN220657682U proposes a primary processing crusher for natural rubber, specifically referring to a primary processing crusher for natural rubber that can screen out unqualified larger particles from the crushed natural rubber and can collect the screened large particles to prevent accumulation and blockage.

[0004] After the above technical solution crushes natural rubber, although it can screen the size of the crushed rubber, then screen out the large-volume rubber and crush it again to improve the blockage of the crusher and also improve the crushing quality, but after each screening, the staff still needs to manually take it out from the screening net for collection and then pour it into the feeding port of the crusher for secondary crushing by themselves, which increases the workload of the staff and reduces the crushing efficiency of the crusher. In view of this, this design proposes a primary processing crusher for natural rubber. Content of the Utility Model

[0005] In order to solve the above problems, the purpose of the utility model is to provide a primary processing crusher for natural rubber to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model proposes a primary processing crusher for natural rubber, including a crusher housing and an automatic sieving and feeding mechanism installed outside the crusher housing.

[0007] The automatic sieving and feeding mechanism includes limiting chutes opened at both ends on one side of the crusher housing. At the bottom of the inner walls of the two limiting chutes, first electric telescopic rods are installed. A support frame is slidably arranged between the inner walls of the two limiting chutes. A receiving tray is rotatably arranged inside the support frame. A plurality of sieve holes are equidistantly opened on one side of the bottom of the receiving tray. A connecting rod is rotatably installed at the middle position of the top of the support frame. A connecting frame is fixedly arranged at the bottom of the receiving tray, and the outer wall of one end of the connecting rod is rotatably connected to the inner wall of the connecting frame. A second electric telescopic rod is rotatably installed between the two sides of the connecting rod.

[0008] In one example, a fixing plate is installed at the lower end of one side of the crusher housing. A limiting card slot is opened on one side of the top of the fixing plate. A collection box is installed on the top of the fixing plate.

[0009] In one example, a card strip is fixedly arranged on one side of the bottom of the collection box, and the outer wall of the card strip is slidably connected to the inner wall of the limiting card slot. A handle is fixedly arranged on one side of the collection box.

[0010] In one example, a feeding chute is opened on one side of the top of the crusher housing. An outlet chute is opened on one side of the crusher housing above the fixing plate, and the inner wall of the outlet chute is communicated with the inner wall of the feeding chute.

[0011] In one example, two crushing rollers are rotatably installed below the inner wall of the feeding chute. One end of each of the two crushing rollers passes through the outer wall of the other side of the crusher housing and is connected with a gear, and the outer walls of the two gears are meshed with each other.

[0012] In one example, a fixing bracket is fixedly arranged on the other side of the crusher housing. A motor is installed on one side of the fixing bracket, and one end of one of the gears passes through the outer wall of one side of the fixing bracket and is fixedly connected with the output end of the motor.

[0013] In one example, a control panel is installed on one side of the crusher housing, and the first electric telescopic rod, the second electric telescopic rod, and the motor are all electrically connected to an external power supply through the control panel.

[0014] The natural rubber primary processing crusher proposed by the present utility model can bring the following beneficial effects:

[0015] This natural rubber primary processing crusher, by setting an automatic sieving and feeding mechanism, after the rubber that has completed crushing falls onto the receiving tray through the discharge chute, due to the inclination of the receiving tray, the rubber rolls. The small-volume rubber directly falls through the sieve holes and is collected by the collection frame. The large-volume rubber is moved up to the edge of the feeding chute by starting the first electric telescopic rod, and then tilted in the reverse direction by starting the second electric telescopic rod, so that the large-volume rubber rolls into the feeding chute and is crushed again by the crushing roller. Throughout the process, there is no need for workers to manually collect and feed, saving the feeding time for secondary crushing, reducing the manual burden and improving the crushing efficiency of the device at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention, form a part of the present invention, and the schematic embodiments and descriptions thereof are used to explain the present invention, and do not constitute an improper limitation to the present invention. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the whole of the present invention;

[0018] Figure 2 is a schematic structural diagram of the rising and tilting of the receiving tray of the present invention;

[0019] Figure 3 is a schematic structural diagram of the whole of the support frame of the present invention;

[0020] Figure 4 is a schematic structural diagram of the whole of the collection frame of the present invention;

[0021] Figure 5 is a schematic structural diagram of the back of the crusher housing of the present invention.

[0022] In the figure: 1, crusher housing; 2, automatic sieving and feeding mechanism; 201, limit chute; 202, first electric telescopic rod; 203, support frame; 204, receiving tray; 205, sieve hole; 206, connecting rod; 207, connecting frame; 208, second electric telescopic rod; 209, fixed plate; 210, limit card slot; 211, collection frame; 212, card strip; 213, handle; 3, feeding chute; 4, discharge chute; 5, crushing roller; 6, gear; 7, fixed bracket; 8, motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to more clearly explain the overall concept of the present invention, the following will be described in detail by way of examples in conjunction with the drawings in the specification.

[0024] The embodiments are as follows:

[0025] The present invention provides as Figures 1-5A natural rubber primary processing crusher shown in the figure includes a crusher housing 1 and an automatic sieving and feeding mechanism 2 installed outside the crusher housing 1;

[0026] The automatic sieving and feeding mechanism 2 includes limiting sliding grooves 201 opened at both ends on one side of the crusher housing 1. At the bottom of the inner walls of the two limiting sliding grooves 201, first electric telescopic rods 202 are installed. A support frame 203 is slidably arranged between the inner walls of the two limiting sliding grooves 201. A receiving tray 204 is rotatably arranged inside the support frame 203. On one side of the bottom of the receiving tray 204, a plurality of sieve holes 205 are equidistantly opened. In the middle position at the top of the support frame 203, a connecting rod 206 is rotatably installed. A connecting frame 207 is fixedly arranged at the bottom of the receiving tray 204, and the outer wall of one end of the connecting rod 206 is rotatably connected to the inner wall of the connecting frame 207. A second electric telescopic rod 208 is rotatably installed between the two sides of the connecting rod 206, and the sieve holes 205 are opened on one side of the receiving tray 204. The rubber can be screened and dropped only when it rolls to the area where the sieve holes 205 are opened. This design can make the covered area of the sieve holes 205 fully located above the collection frame 211, so that the small-volume rubber fully falls into the collection frame 211. At the same time, the connecting rod 206 is connected to the bottom of the receiving tray 204 through the connecting frame 207, enabling it to rotate with the receiving tray 204. At the same time, the connecting rod 206 is rotatably connected to the support frame 203, so that when the connecting rod 206 expands and folds through the second electric telescopic rod 208, there is no movement interference. And when the receiving tray 204 is located above the top of the crusher housing 1, the inclination angle is adjusted by rotation, so that it will not scrape against the side of the crusher housing 1 during sliding and cause inability to slide, and it stops sliding when it slides to the lower edge of the inner wall of the discharge chute 4. The output ends of the two first electric telescopic rods 202 are respectively fixedly connected to the connections at the bottom of the support frame 203. Further, the first electric telescopic rod 202 can drive the support frame 203 and the receiving tray 204 to lift and slide in the limiting sliding grooves 201;

[0027] Further, a fixing plate 209 is installed at the lower end on one side of the crusher housing 1. A limiting card slot 210 is opened on one side of the top of the fixing plate 209, and a collection frame 211 is installed on the top of the fixing plate 209.

[0028] On one side of the bottom of the collection frame 211, a card strip 212 is fixedly arranged, and the outer wall of the card strip 212 is slidably connected to the inner wall of the limiting card slot 210. A handle 213 is fixedly arranged on one side of the collection frame 211. The collection frame 211 is limited by being stuck in the limiting card slot 210 on the fixing plate 209 by the card strip 212 and will not fall off during rubber collection. Later, the collection frame 211 can be taken out to process the rubber directly by sliding it out of the limiting card slot 210 through the handle 213;

[0029] Further, a feed chute 3 is provided on one side of the top of the crusher housing 1, and a discharge chute 4 is provided above the fixing plate 209 on one side of the crusher housing 1. The inner wall of the discharge chute 4 is communicated with the inner wall of the feed chute 3, and both sides of the inner wall of the feed chute 3 are inclined, which facilitates the rubber on the receiving tray 204 to automatically slide down when it slides to the side of its inner wall and is crushed by the crushing rollers 5. The discharge chute 4 is designed as an inclined surface to facilitate the rubber to slide down for sieving and collection;

[0030] Further, two crushing rollers 5 are rotatably installed below the inner wall of the feed chute 3. One end of each of the two crushing rollers 5 passes through the outer wall of the other side of the crusher housing 1 and is connected with a gear 6, and the outer walls of the two gears 6 are meshed with each other.

[0031] A fixing bracket 7 is fixedly provided on the other side of the crusher housing 1. A motor 8 is installed on one side of the fixing bracket 7, and one end of one of the gears 6 passes through the outer wall of one side of the fixing bracket 7 and is fixedly connected with the output end of the motor 8. The motor 8 is installed outside one of the gears 6 through the fixing bracket 7, so that the connection with the gear 6 does not affect the normal meshing rotation of the two gears 6 and can also ensure its stability.

[0032] Working principle: When using the natural rubber primary processing crusher in this design scheme, first, natural rubber is put into it through the feed chute 3. After it enters, the motor 8 is started, and through the meshing between the gears 6, the two crushing rollers 5 rotate relative to each other to crush the rubber. The crushed rubber falls into the discharge chute 4, and due to its inclined surface, it automatically slides into the receiving tray 204 located at the lower edge of the discharge chute 4. At this time, the receiving tray 204 is supported by the second electric telescopic rod 208 to tilt outward from the crusher housing 1 through the connecting rod 206, so that the rubber fragments roll on the receiving tray 204. The small-volume rubber is sieved through the sieve holes 205 and falls into the collection box 211 below, while the large-volume rubber is intercepted on the receiving tray 204. The first electric telescopic rod 202 is started to push the support frame 203 to drive the receiving tray 204 to slide up in the limit sliding groove 201. When the receiving tray 204 rises to the top of the crusher housing 1, the second electric telescopic rod 208 is started to make it expand and contract, so that the connecting rod 206 folds and extends, driving the receiving tray 204 to rotate and tilt inward towards the crusher housing 1, making the rubber in it roll in the reverse direction. At this time, the receiving tray 204 is located at the upper edge of the feed chute 3, and the rolled rubber directly falls into the feed chute 3 and is crushed by the crushing rollers 5 for the second time. During the whole process, it is not necessary for the staff to manually collect the large-volume rubber in the receiving tray 204, nor to manually put it into the feed chute 3, which reduces the work burden of the staff and improves the crushing efficiency of the crusher at the same time.

[0033] Each embodiment in this specification is described in a progressive manner. For the same or similar parts among the embodiments, reference can be made to each other. Each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple. For the relevant parts, reference can be made to the partial description of the method embodiment.

[0034] The above are only the embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A primary processing crusher for natural rubber, comprising a crusher housing (1) and an automatic sieving and feeding mechanism (2) installed outside the crusher housing (1); It is characterized in that: The automatic sieving and feeding mechanism (2) includes limiting sliding grooves (201) opened at both ends on one side of the crusher housing (1). At the bottom of the inner walls of the two limiting sliding grooves (201), first electric telescopic rods (202) are installed. A support frame (203) is slidably arranged between the inner walls of the two limiting sliding grooves (201). A receiving tray (204) is rotatably arranged inside the support frame (203). A plurality of sieve holes (205) are equidistantly opened on one side of the bottom of the receiving tray (204). A connecting rod (206) is rotatably installed at the middle position of the top of the support frame (203). A connecting frame (207) is fixedly arranged at the bottom of the receiving tray (204), and the outer wall of one end of the connecting rod (206) is rotatably connected to the inner wall of the connecting frame (207). A second electric telescopic rod (208) is rotatably installed between the two sides of the connecting rod (206).

2. The primary processing crusher for natural rubber according to claim 1, wherein: A fixing plate (209) is installed at the lower end of one side of the crusher housing (1). A limiting card slot (210) is opened on one side of the top of the fixing plate (209). A collection box (211) is installed on the top of the fixing plate (209).

3. The primary processing crusher for natural rubber according to claim 2, characterized in that: A card strip (212) is fixedly arranged on one side of the bottom of the collection box (211), and the outer wall of the card strip (212) is slidably connected to the inner wall of the limiting card slot (210). A handle (213) is fixedly arranged on one side of the collection box (211).

4. The primary processing crusher for natural rubber according to claim 1, wherein: A feeding slot (3) is opened on one side of the top of the crusher housing (1). An outlet slot (4) is opened on one side of the crusher housing (1) above the fixing plate (209), and the inner wall of the outlet slot (4) is communicated with the inner wall of the feeding slot (3).

5. The primary processing crusher for natural rubber according to claim 4, wherein: Two crushing rollers (5) are rotatably installed below the inner wall of the feeding slot (3). One end of each of the two crushing rollers (5) passes through the outer wall of the other side of the crusher housing (1) and is connected with a gear (6), and the outer walls of the two gears (6) are meshed with each other.

6. The primary processing crusher for natural rubber according to claim 5, wherein: A fixed bracket (7) is fixedly arranged on the other side of the crusher housing (1). A motor (8) is installed on one side of the fixed bracket (7), and one end of one of the gears (6) passes through the outer wall of one side of the fixed bracket (7) and is fixedly connected with the output end of the motor (8).

7. The primary processing crusher for natural rubber according to claim 6, wherein: A control panel is installed on one side of the crusher housing (1), and the first electric telescopic rod (202), the second electric telescopic rod (208), and the motor (8) are all electrically connected to an external power supply through the control panel.

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