Sawdust grinding device

Abstract

The utility model discloses a sawdust grinding device, which belongs to the technical field of papermaking processing and comprises a box body base, a drawing box is embedded in the box body base, a screening component is embedded in the drawing box, a support rod is arranged at the top of the box body base, and an auxiliary component is mounted at the top of the support rod. A transmission roller is tightly attached to a transmission block under the elastic acting force of a spring, a motor is started to drive the transmission roller to rotate off the circle center, a shaking frame can drive a screening hopper to shake, the screening hopper can filter and screen slurry, particle impurities which are not completely ground can be screened out, and therefore the grinding effect of the device is better; by arranging the disassembling assembly, the upper grinding disc can drive the lifting material conveying box at the bottom of the transverse plate to rotate synchronously through the connecting plate, the lifting material conveying box and the grinding mechanism are in a relatively static state, and a hose at the bottom of the lifting material conveying box is prevented from being twisted, so that the using effect of the device is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of papermaking processing, and in particular relates to a sawdust grinding device. Background Art

[0002] The sawdust grinding device for papermaking is a device used in the paper production process to grind the sawdust in its raw materials. The sawdust can be made into pulp by adding water, reducing its fiber content, and ensuring that the sawdust can smoothly pass through the pulping screening and purification system.

[0003] Chinese patent application No. 202111618897.0 discloses a sawdust grinding device for papermaking, comprising a box base, a lower grinding disc is fixedly installed on the upper part of the box base, and an upper grinding disc is movably installed on the upper part of the lower grinding disc, a receiving disc is fixedly installed on the side of the lower grinding disc, a rotating scraper is arranged on the side of the upper grinding disc located on the inner side of the receiving disc, and a feeding box for adding sawdust is arranged above the upper grinding disc, and the outer surface of the side edge of the rotating scraper is an arc-shaped structure; when the user starts the first motor to rotate, the gear at the output end of the first motor cooperates with the speed gear to drive the docking rotating rod to rotate, so that the docking rotating rod drives the upper grinding disc to rotate, grinding the sawdust between the upper grinding disc and the lower grinding disc, reducing the fiber degree of the sawdust, so that the ground sawdust can smoothly pass through the pulping screening and purification system, thereby using sawdust papermaking raw materials to replace recycled boxboard paper, so as to reduce raw material costs.

[0004] In the above-mentioned public patent, the pull-out box can collect the slurry after grinding. Since the slurry cannot be filtered, some unqualified particles are mixed inside. After the grinding is completed, filtering and screening are required. The device is not convenient to use. During the rotation of the upper grinding disc, the hose at the bottom of the feed box will be twisted, affecting the normal feeding of the device. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a sawdust grinding device, which has the characteristics of automatic screening and reasonable structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sawdust grinding device, comprising a box base, a pull-out box is embedded in the interior of the box base, a screening component is embedded in the interior of the pull-out box, a discharge pipe is connected to the top of the box base, a receiving tray is connected to the top of the discharge pipe, a grinding mechanism is installed inside the receiving tray, a support rod is provided on the top of the box base, an auxiliary component is installed on the top of the support rod, and a lifting and feeding box is provided between the auxiliary component and the grinding mechanism.

[0007] Preferably, the screening component includes a screening bucket, a splitting component, a spring, a shaking frame, a transmission roller, a transmission block and a motor, wherein the shaking frame is embedded in the pull-out box, the splitting component is connected to the side of the shaking frame, the screening bucket is embedded in the shaking frame, springs are installed on both sides of the shaking frame, one end of the shaking frame is connected to the transmission block, the motor is embedded in the side of the pull-out box, the side of the motor is connected to the transmission roller, and the motor and the transmission roller are connected in an eccentric connection structure.

[0008] Preferably, both ends of the shaking frame are tightly fitted with the inner groove wall of the pull-out box, the spring is located at the upper and lower sides of the side end of the shaking frame, and the side edge of the transmission roller is fitted with the surface of the transmission block.

[0009] Preferably, the splitting assembly includes a slot, an insertion rod and a side block, wherein both sides of the shaking frame are connected to the side blocks, the rod is embedded inside the side block, both sides of the screening bucket are provided with a slot, and a tension spring is connected between the insertion rod and the side block.

[0010] Preferably, the auxiliary component includes a top plate, a rotating block, a connecting plate, a cross plate and a rotating groove, wherein the top of the support rod is connected to the top plate, a rotating groove is opened inside the top plate, a rotating block is embedded in the rotating groove, the bottom of the rotating block is connected to the cross plate, and a connecting plate is connected between the cross plate and the grinding mechanism.

[0011] Preferably, the rotating groove is a T-shaped double disc structure, and the surface of the rotating block is tightly fitted with the inner wall of the rotating groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a screening component. Under the elastic force of the spring, the transmission roller and the transmission block are in close contact. The starting motor drives the transmission roller to rotate eccentrically, so that the shaking frame drives the screening bucket to shake. The screening bucket can filter and screen the slurry, and can screen out the impurities of the particles that are not completely ground, so that the grinding effect of the sawdust grinding device for papermaking is better.

[0014] 2. The utility model sets a split component, and the rotating block and the rotating groove inside the top plate are rotated and limited. The upper grinding disc can drive the lifting and feeding box at the bottom of the horizontal plate to rotate synchronously through the connecting plate. The lifting and feeding box and the grinding mechanism are in a relatively static state, which avoids the distortion and blockage of the feeding hose at the bottom of the lifting and feeding box, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is the front view of the pull-out box of the utility model;

[0017] Figure 3 This is the front view of the screening component of the utility model;

[0018] Figure 4 This is the front view of the disassembled components of the utility model.

[0019] In the figure: 1. lifting feed box; 2. auxiliary components; 21. top plate; 22. rotating block; 23. connecting plate; 24. cross plate; 25. rotating groove; 3. grinding mechanism; 4. collecting tray; 5. box base; 6. pull-out box; 7. screening component; 71. screening bucket; 72. splitting component; 721. slot; 722. plug rod; 723. side block; 73. spring; 74. shaking frame; 75. transmission roller; 76. transmission block; 77. motor; 8. discharge pipe; 9. support rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a sawdust grinding device, including a box base 5, a pull-out box 6 is embedded in the box base 5, a screening component 7 is embedded in the pull-out box 6, a discharge pipe 8 is connected to the top of the box base 5, a receiving tray 4 is connected to the top of the discharge pipe 8, a grinding mechanism 3 is installed in the receiving tray 4, a support rod 9 is provided on the top of the box base 5, an auxiliary component 2 is installed on the top of the support rod 9, and a lifting feed box 1 is provided between the auxiliary component 2 and the grinding mechanism 3.

[0023] Specifically, the screening component 7 includes a screening bucket 71, a splitting component 72, a spring 73, a shaking frame 74, a transmission roller 75, a transmission block 76 and a motor 77. The shaking frame 74 is embedded in the pull-out box 6, and the splitting component 72 is connected to the side of the shaking frame 74. The screening bucket 71 is embedded in the shaking frame 74, and springs 73 are installed on both sides of the shaking frame 74. One end of the shaking frame 74 is connected to the transmission block 76, and the motor 77 is embedded in the side of the pull-out box 6. The side of the motor 77 is connected to the transmission roller 75, and the motor 77 and the transmission roller 75 are connected in an eccentric connection structure.

[0024] By adopting the above technical solution, the transmission roller 75 and the transmission block 76 are tightly attached to each other under the elastic force of the spring 73, and the starting motor 77 drives the transmission roller 75 to rotate eccentrically, so that the shaking frame 74 can drive the screening bucket 71 to shake, and the screening bucket 71 can filter and screen the slurry, and can screen out the particulate impurities that are not completely ground, so that the grinding effect of the sawdust grinding device for papermaking is better.

[0025] Specifically, both ends of the shaking frame 74 fit tightly against the inner groove wall of the pull-out box 6 , the spring 73 is located at the upper and lower sides of the side end of the shaking frame 74 , and the side edge of the transmission roller 75 fits against the surface of the transmission block 76 .

[0026] By adopting the above technical solution, the two ends of the shaking frame 74 are tightly fitted with the inner groove wall of the pull-out box 6, so that the stability of the screening bucket 71 is higher and the screening effect is better.

[0027] Specifically, the splitting component 72 includes a slot 721, an insertion rod 722 and a side block 723. The side blocks 723 are connected to both sides of the shaking frame 74. The rod 722 is embedded inside the side block 723. Slots 721 are opened on both sides of the screening bucket 71. A tension spring is connected between the insertion rod 722 and the side block 723.

[0028] By adopting the above technical solution, the rod 722 is pulled to separate from the slot 721, and the screening bucket 71 can be moved up and removed to clean the internal particulate impurities. The screening effect of the screening bucket 71 can be better by facilitating cleaning. Under the pulling action of the tension spring on the surface of the side block 723, the rod 722 and the slot 721 are tightly plugged together, so that the screening bucket 71 can be firmly installed and positioned.

[0029] When the present embodiment is in use, the lifting feed box 1 on the top of the support rod 9 injects the slurry into the receiving disc 4, and the grinding mechanism 3 can control the upper grinding disc to rotate to grind the slurry. The ground slurry will enter the drawer box 6 of the box base 5 through the discharge pipe 8 for collection. Under the elastic force of the spring 73, the transmission roller 75 and the transmission block 76 are in close contact with each other. The starting motor 77 drives the transmission roller 75 to rotate eccentrically, so that the shaking frame 74 can drive the screening bucket 71 to shake. The screening bucket 71 can filter and screen the slurry, and can screen out the particulate impurities that are not completely ground, so that the grinding effect of the sawdust grinding device for papermaking is better. The insertion rod 722 is pulled to separate from the slot 721, so that the screening bucket 71 can be removed and the internal particulate impurities can be cleaned up. It is easy to clean and the screening effect of the screening bucket 71 can be better. Under the pulling action of the tension spring on the surface of the side block 723, the insertion rod 722 and the slot 721 are tightly connected, so that the screening bucket 71 can be installed and positioned firmly.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the auxiliary component 2 includes a top plate 21, a rotating block 22, a connecting plate 23, a cross plate 24 and a rotating groove 25. The top of the support rod 9 is connected to the top plate 21, the interior of the top plate 21 is provided with a rotating groove 25, the interior of the rotating groove 25 is embedded with a rotating block 22, the bottom of the rotating block 22 is connected to the cross plate 24, and a connecting plate 23 is connected between the cross plate 24 and the grinding mechanism 3.

[0032] Specifically, the rotating groove 25 is a T-shaped double disc structure, and the surface of the rotating block 22 is tightly fitted to the inner wall of the rotating groove 25 .

[0033] By adopting the above technical solution, the rotating block 22 and the rotating groove 25 inside the top plate 21 are rotationally limited, and the upper grinding disc can drive the lifting and feeding box 1 at the bottom of the cross plate 24 to rotate synchronously through the connecting plate 23. The lifting and feeding box 1 and the grinding mechanism 3 are in a relatively static state, which avoids the distortion and blockage of the feeding hose at the bottom of the lifting and feeding box 1, thereby improving the use effect of the device.

[0034] When this embodiment is in use, the rotating block 22 is limited in rotation with the rotating groove 25 inside the top plate 21, and the upper grinding disc can drive the lifting and feeding box 1 at the bottom of the cross plate 24 to rotate synchronously through the connecting plate 23. The lifting and feeding box 1 and the grinding mechanism 3 are in a relatively static state, avoiding the twisting and blockage of the feeding hose at the bottom of the lifting and feeding box 1, thereby improving the use effect of the device.

[0035] The motor 77 in the present invention is an existing disclosed technology, and the selected model is Z2D15W.

[0036] The structure and use principle of the lifting feed box 1, grinding mechanism 3, receiving tray 4, box base 5, pull-out box 6, discharge pipe 8 and support rod 9 in the utility model have been disclosed in Chinese patent application No. 202111618897.0, which discloses a sawdust grinding device for papermaking. Its working principle is that the lifting feed box 1 at the top of the support rod 9 injects the slurry into the receiving tray 4, and the grinding mechanism 3 can grind the slurry. The ground slurry will enter the pull-out box 6 of the box base 5 through the discharge pipe 8 for collection.

[0037] The working principle and use process of the utility model: when the utility model is used, the lifting and feeding box 1 on the top of the support rod 9 injects the slurry into the receiving plate 4, and the grinding mechanism 3 can control the upper grinding plate to rotate to grind the slurry. The rotation block 22 and the rotating groove 25 inside the top plate 21 are rotated and limited. The upper grinding plate can drive the lifting and feeding box 1 at the bottom of the cross plate 24 to rotate synchronously through the connecting plate 23. The lifting and feeding box 1 and the grinding mechanism 3 are in a relatively static state, avoiding the distortion and blockage of the feeding hose at the bottom of the lifting and feeding box 1, so as to make the use effect of the device better. The ground slurry will enter the drawer box 6 of the box base 5 through the discharge pipe 8 for collection. The drive roller 75 and the drive block 76 are in close contact with each other under the elastic force of 73. The starting motor 77 drives the drive roller 75 to rotate eccentrically, so that the shaking frame 74 can drive the screening bucket 71 to shake. The screening bucket 71 can filter and screen the slurry, and can screen out the particulate impurities that are not completely ground, so that the grinding effect of the sawdust grinding device for papermaking is better. The insertion rod 722 is pulled to separate from the slot 721, and the screening bucket 71 can be moved up and removed to clean the internal particulate impurities. The easy cleaning can make the screening effect of the screening bucket 71 better. Under the pulling action of the tension spring on the surface of the side block 723, the insertion rod 722 and the slot 721 are tightly plugged together, so that the screening bucket 71 can be installed and positioned firmly.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sawdust grinding device, comprising a box base, characterized in that: A pull-out box is embedded in the interior of the box base, a screening assembly is embedded in the interior of the pull-out box, a discharge pipe is connected to the top of the box base, a receiving tray is connected to the top of the discharge pipe, a grinding mechanism is installed inside the receiving tray, a support rod is provided on the top of the box base, an auxiliary assembly is installed on the top of the support rod, and a lifting and feeding box is provided between the auxiliary assembly and the grinding mechanism.

2. A sawdust grinding device according to claim 1, characterized in that: The screening component includes a screening bucket, a splitting component, a spring, a shaking frame, a transmission roller, a transmission block and a motor, wherein the shaking frame is embedded in the pull-out box, the side of the shaking frame is connected to the splitting component, the screening bucket is embedded in the shaking frame, springs are installed on both sides of the shaking frame, one end of the shaking frame is connected to the transmission block, the side of the pull-out box is embedded with a motor, the side of the motor is connected to a transmission roller, and the motor and the transmission roller are connected in an eccentric connection structure.

3. A sawdust grinding device according to claim 2, characterized in that: The two ends of the shaking frame are tightly fitted with the inner groove wall of the pull-out box, the spring is located at the upper and lower sides of the side end of the shaking frame, and the side edge of the transmission roller is fitted with the surface of the transmission block.

4. A sawdust grinding device according to claim 2, characterized in that: The splitting assembly includes a slot, an insertion rod and a side block, wherein both sides of the shaking frame are connected with the side blocks, the rod is embedded inside the side block, both sides of the screening bucket are provided with a slot, and a tension spring is connected between the insertion rod and the side block.

5. The sawdust grinding device according to claim 1, characterized in that: The auxiliary component includes a top plate, a rotating block, a connecting plate, a cross plate and a rotating groove, wherein the top of the support rod is connected to the top plate, a rotating groove is opened inside the top plate, a rotating block is embedded inside the rotating groove, the bottom of the rotating block is connected to the cross plate, and a connecting plate is connected between the cross plate and the grinding mechanism.

6. The sawdust grinding device according to claim 5, characterized in that: The rotating groove is in a T-shaped double disc structure, and the surface of the rotating block is tightly fitted with the inner wall of the rotating groove.

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