Chinese chestnut screening frame
By designing an easy-to-replace installation structure and a convenient roller support structure, the problem of fixed and inconvenient chestnut screening rack sieve plates has been solved, enabling flexible replacement of sieve plates and stable movement of the screening rack, adapting to the screening of chestnuts of different sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-10
AI Technical Summary
The existing chestnut screening rack has a fixed sieve plate that is difficult to replace, cannot meet the screening needs of chestnuts of different sizes, and is not easy to move and use.
A chestnut screening rack was designed, which includes an installation structure and a pull-out sieve plate. The sieve plate can be easily replaced through the installation structure, and it is equipped with rollers and a support structure for easy movement. The screening is carried out by an electric telescopic rod and a motor-driven vibration structure.
It enables convenient replacement of sieve plates and stable movement of the screening rack, improving screening efficiency and stability, and adapting to the screening needs of chestnuts of different sizes.
Smart Images

Figure CN224101213U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to chestnut production technical field, concretely relates to a chestnut screening frame. BACKGROUND
[0002] With the continuous development of society, the chestnut is sold after being roasted and packaged, but the chestnut needs to be shelled before being bought by the factory, and the chestnut kernels of different sizes need to be screened before processing.
[0003] The screen plate of the existing chestnut screening frame is fixedly arranged, and the screen plate is difficult to replace, the chestnut of different sizes cannot be screened, and the existing chestnut screening frame is inconvenient to move, so the utility model provides a chestnut screening frame. UTILITY MODEL CONTENTS
[0004] In order to overcome the above technical problems, the utility model aims at providing a chestnut screening frame to solve the problem that the screen plate of the existing chestnut screening frame is fixedly arranged, the screen plate is difficult to replace, the chestnut of different sizes cannot be screened, and the existing chestnut screening frame is inconvenient to move.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a chestnut screening frame, the bottom of the fixed frame is fixedly connected with the bottom plate, the bottom of the bottom plate is fixedly connected with the gyro wheel, both sides of the fixed frame are provided with support structure, the support structure includes the fixed plate, the surface of the fixed plate is fixedly connected with the electric telescopic handle, the bottom of the electric telescopic handle is fixedly connected with the support plate, the inside of the fixed frame is provided with vibration structure, the vibration structure includes the motor, the output of the motor is fixedly connected with the rotary rod, the surface of the rotary rod is fixedly connected with two groups of cams, four groups of fixed blocks are fixedly connected at the four corners of the inner wall of the fixed frame, the inside of the fixed block is slidably connected with the sliding rod, the bottom of the fixed block is fixedly connected with spring no.
[0006] Preferably, the electric telescopic handle and the motor are electrically connected with an external power source.
[0007] Preferably, the length of the support plate is consistent with the length of the bottom plate, and the bottom of the support plate is provided with a rubber pad.
[0008] Preferably, the installation plate is in U shape, the surface of the cam is in abutment with the bottom of the installation plate, the sliding rod is fixedly connected at the four corners of the bottom of the installation plate, the surface of the fixed block is provided with a circular groove one, the sliding rod is slidably connected in the circular groove one, the radius of the limiting block is greater than the radius of the circular groove one, and the two ends of the spring one are fixedly connected with the bottom of the fixed block and the top of the spring one respectively.
[0009] Preferably, the inside surface of the installation plate is provided with a clamping groove, the clamping groove is in U shape, the pull-out screen plate is inserted in the clamping groove, the surface of the fixed frame is provided with a square groove one, the pull-out screen plate is inserted in the square groove one, both sides of the fixed frame are provided with a sliding groove three, and the connecting rod is slidably connected in the sliding groove three.
[0010] Preferably, the connecting rod penetrates through two sides of the sliding groove one, the cross section of the plug is triangular, the connecting rod is slidingly connected in the plug groove, and two ends of the spring two are fixedly connected with the inner wall of the sliding groove one and the surface of the sliding block one respectively.
[0011] Preferably, the sliding groove two is communicated with the clamping groove, the length and width of the sliding block two are greater than those of the abutting block, and two ends of the spring three are fixedly connected with the surface of the sliding block two and the inner wall of the pull-out screen plate respectively.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、This kind of chestnut screening frame is provided with mounting structure and pull-out screen plate, during installation, the pull-out screen plate is inserted after being aligned with the clamping groove on the surface of mounting plate, the surface of pull-out screen plate first contacts with the inclined surface of plug, and the plug moves from the clamping groove to the sliding groove one with the movement of pull-out screen plate, at this time, spring two is compressed, and spring two pushes sliding block one, so that plug has the tendency to move to the direction of clamping groove, pull-out screen plate continues to move to the clamping groove, one end of pull-out screen plate contacts with abutting block, and sliding block two moves in sliding groove two, so that spring three is compressed, when the plug groove on both sides of pull-out screen plate is aligned with sliding groove one, plug is inserted into plug groove under the action of spring two, so that pull-out screen plate and mounting plate are mutually installed, during disassembly, connecting rod is pulled, so that plug moves out of plug groove, under the action of spring three, abutting block is pushed by sliding block two, pull-out screen plate is pushed outwards, so that plug groove is no longer aligned with sliding groove one, and pull-out screen plate can be taken out for replacement, the installation and disassembly of pull-out screen plate are relatively convenient, and it is convenient to replace pull-out screen plate of appropriate size according to the specific size of chestnut.
[0014] 2、This kind of chestnut screening frame is provided with roller and support structure, the fixed frame can be moved conveniently through the roller, the support plate is driven to move downwards through the electric telescopic rod, so that the fixed frame is lifted from both sides, the roller no longer contacts with the ground, vibration generated during screening is prevented to make the roller shake, and the screening is more stable. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure perspective view of the utility model;
[0016] Figure 2 It is a structure dynamic view of the utility model;
[0017] Figure 3 It is a structure front view of the utility model;
[0018] Figure 4 It is an explosion view of the vibration structure and mounting structure of the utility model;
[0019] Figure 5The partial structure side view of the mounting structure and the pullable screen plate is shown in the utility model.
[0020] Figure 6 The partial structure side view of the mounting structure and the pullable screen plate is shown in the utility model.
[0021] In the drawing: 1, fixed frame; 2, bottom plate; 3, roller; 4, support structure; 41, fixed plate; 42, electric telescopic rod; 43, support plate; 5, vibration structure; 51, motor; 52, rotating rod; 53, cam; 54, fixed block; 55, sliding rod; 56, spring one; 57, limiting block; 6, mounting structure; 61, mounting plate; 62, sliding groove one; 63, sliding block one; 64, spring two; 65, connecting rod; 66, plug block; 67, sliding groove two; 68, sliding block two; 69, abutting block; 610, spring three; 7, pullable screen plate; 71, plug groove; 8, discharge port. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figures 1-6 The utility model provides an embodiment:
[0024] The utility model provides a chestnut screening frame, including fixed frame 1, the bottom fixed connection of fixed frame 1 has bottom plate 2, the bottom fixed connection of bottom plate 2 has gyro wheel 3, and the both sides of fixed frame 1 are provided with support structure 4, and support structure 4 includes fixed plate 41, and the surface fixed connection of fixed plate 41 has motorized telescopic handle 42, and the bottom fixed connection of motorized telescopic handle 42 has support plate 43, and the inside of fixed frame 1 is provided with vibration structure 5, and vibration structure 5 includes motor 51, and the output fixed connection of motor 51 has rotary rod 52, and the surface symmetrical fixed connection of rotary rod 52 has two groups of cam 53, and the four corners of the inner wall of fixed frame 1 are fixedly connected with four groups of fixed blocks 54, and the inside sliding connection of fixed block 54 has sliding rod 55, and the bottom fixed connection of fixed block 54 has spring one 56, and the bottom fixed connection of sliding rod 55 has limit block 57, and the inside of fixed frame 1 is provided with mounting structure 6, and mounting structure 6 includes mounting plate 61, and the both sides of mounting plate 61 are provided with sliding slot one 62, and the inside sliding connection of sliding slot one 62 has sliding block one 63, and the inside fixed connection of sliding block one 63 has connecting rod 65, and the surface sleeve of connecting rod 65 has spring two 64, and one side fixed connection of connecting rod 65 has plug block 66, and the end away from sliding slot one 62 of mounting plate 61 is provided with sliding slot two 67, and the inside sliding connection of sliding slot two 67 has sliding block two 68, and the surface fixed connection of sliding block two 68 has abutment block 69, and the surface fixed connection of sliding block two 68 has spring three 610, and the inside sliding connection of mounting plate 61 has pull-out screen plate 7, and the both sides of pull-out screen plate 7 are provided with insertion groove 71, and the bottom fixed connection of bottom plate 2 has discharge gate 8, and be provided with mounting structure 6 and pull-out screen plate 7, and when installing, after pull-out screen plate 7 with the clamping groove on the surface of mounting plate 61 alignment, the surface of pull-out screen plate 7 first with the inclined surface of plug block 66 contact, with the movement of pull-out screen plate 7 push plug block 66 from the clamping groove in sliding slot one 62 moves, at this moment, spring two 64 is compressed, and spring two 64 pushes sliding block one 63, and makes plug block 66 have the tendency of moving to the direction of clamping groove, and pull-out screen plate 7 continues to move to the clamping, and one end of pull-out screen plate 7 contacts with abutment block 69, and pushes sliding block two 68 in sliding slot two 67, and makes spring three 610 be compressed, when the insertion groove 71 of pull-out screen plate 7 both sides with sliding slot one 62 alignment, under the action of spring two 64, push plug block 66 inserts insertion groove 71, thereby pull-out screen plate 7 with mounting plate 61 is installed each other, when disassembling, pull connecting rod 65, make plug block 66 from insertion groove 71 remove, under the action of spring three 610, through sliding block two 68 push abutment block 69, pull-out screen plate 7 is pushed out, make insertion groove 71 with sliding slot one 62 no longer alignment, can take out pull-out screen plate 7 and replace, the installation dismounting of pull-out screen plate 7 is relatively convenient, convenient according to the specific size of chestnut replaces the pull-out screen plate 7 of suitable size, be provided with gyro wheel 3 and support structure 4, through gyro wheel 3 can be convenient for the movement of fixed frame 1, simultaneously through motorized telescopic handle 42 drive support plate 43 and descend, thereby from both sides fixed frame 1 is lifted, makes gyro wheel 3 with ground no longer contact,Prevent the vibration generated during screening makes the roller 3 wobble, more stable during screening.
[0025] Further, the electric telescopic rod 42 and the motor 51 are electrically connected with the external power supply, and the electric telescopic rod 42 and the motor 51 are driven by the external power supply.
[0026] Further, the length of the support plate 43 is consistent with the length of the bottom plate 2, so that the support of the support plate 43 is more stable, and the bottom of the support plate 43 is provided with a rubber pad layer, which increases the friction between the support plate 43 and the ground and also absorbs vibration to a certain extent.
[0027] Further, the mounting plate 61 is in the shape of a U, the surface of the cam 53 abuts the bottom of the mounting plate 61, the sliding rod 55 is fixedly connected at the bottom of the mounting plate 61 at four corners, the surface of the fixed block 54 is provided with a circular groove one, the sliding rod 55 is slidingly connected in the circular groove one, the radius of the limiting block 57 is greater than the radius of the circular groove one, and the two ends of the spring one 56 are fixedly connected with the bottom of the fixed block 54 and the top of the spring one 56 respectively. The rotating rod 52 is driven to rotate by the motor 51, and then the bottom of the mounting plate 61 is reciprocatingly pushed by the cam 53. When the mounting plate 61 moves upward, the limiting block 57 is driven to move upward by the sliding rod 55, so as to compress the spring one 56. When the cam 53 is not in contact with the mounting plate 61, the mounting plate 61 is reset under the action of the self-weight of the mounting plate 61 and the spring one 56, and then the mounting plate 61 moves reciprocatingly. The pull-out sieve plate 7 is vibrated and screened, and the limiting block 57 cooperates with the circular groove one to prevent the sliding rod 55 from sliding out of the circular groove one.
[0028] Further, the inner surface of the mounting plate 61 is provided with a clamping groove, the clamping groove is in the shape of a U, the pull-out sieve plate 7 is inserted into the clamping groove, the surface of the fixed frame 1 is provided with a square groove one, the pull-out sieve plate 7 is inserted into the square groove one, and the two sides of the fixed frame 1 are provided with sliding grooves three. The connecting rod 65 is slidingly connected in the sliding grooves three. During installation, the pull-out sieve plate 7 is aligned with the clamping groove, the pull-out sieve plate 7 is inserted into the clamping groove from the square groove one, and during the vibration screening, the connecting rod 65 moves up and down in the sliding grooves three.
[0029] Further, the connecting rod 65 penetrates through the two sides of the sliding groove one 62, the cross section of the plug block 66 is in the shape of a triangle, the connecting rod 65 is slidingly connected in the plug groove 71, and the two ends of the spring two 64 are fixedly connected with the inner wall of the sliding groove one 62 and the surface of the sliding block one 63 respectively. When the plug block 66 is inserted into the plug groove 71, the spring three 610 will push the abutting block 69 through the sliding block two 68, so that the pull-out sieve plate 7 has a tendency to move outward, the right-angle side of the plug block 66 is clamped with the inner wall of the plug groove 71, the pull-out sieve plate 7 cannot be pulled out outward, and then the pull-out sieve plate 7 and the mounting plate 61 are installed with each other.
[0030] Further, the sliding groove two 67 is communicated with the engaging groove, the length and width of the sliding block two 68 are greater than the length and width of the abutting block 69, the two ends of the spring three 610 are fixedly connected with the surface of the sliding block two 68 and the inner wall of the pull-out sieve plate 7 respectively, the position of the abutting block 69 is limited through the cooperation of the sliding block two 68 and the sliding groove two 67, and the abutting block 69 is prevented from sliding out of the sliding groove two 67.
[0031] Working principle: in use, the frame is moved to the appropriate position through the roller 3, the support plate 43 is driven to move downwards through the electric telescopic rod 42, the fixed frame 1 is lifted from both sides, the roller 3 is no longer in contact with the ground, the chestnut is poured from the top of the fixed frame 1, the rotating rod 52 is driven to rotate through the motor 51, the cam 53 reciprocatingly pushes the bottom of the mounting plate 61, the limiting block 57 is driven to move upwards through the sliding rod 55 when the mounting plate 61 moves upwards, the spring one 56 is compressed, the mounting plate 61 is reset under the action of the self-weight of the mounting plate 61 and the spring one 56 when the cam 53 is not in contact with the mounting plate 61, the mounting plate 61 reciprocatingly moves, the pull-out sieve plate 7 is installed, the pull-out sieve plate 7 is first in contact with the inclined surface of the plug block 66 after being aligned with the engaging groove on the surface of the mounting plate 61, the plug block 66 moves from the engaging groove into the sliding groove one 62 along with the movement of the pull-out sieve plate 7, the spring two 64 is compressed at this time, the plug block 66 has a tendency to move towards the engaging groove under the action of the spring two 64, the plug block 66 is inserted into the insertion slot 71 under the action of the spring two 64 after the insertion slot 71 on the two sides of the pull-out sieve plate 7 is aligned with the sliding groove one 62, the pull-out sieve plate 7 is installed with the mounting plate 61, the plug block 66 is moved out of the insertion slot 71 under the action of the spring three 610 when the connecting rod 65 is pulled, the pull-out sieve plate 7 is pushed outwards under the action of the spring three 610 through the sliding block two 68 pushing the abutting block 69, the insertion slot 71 is no longer aligned with the sliding groove one 62, and the pull-out sieve plate 7 can be taken out for replacement.
[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.
Claims
1. A Chinese chestnut screening frame comprising a fixed frame (1), characterized in that: The bottom of the fixed frame (1) is fixedly connected with a bottom plate (2), the bottom of the bottom plate (2) is fixedly connected with a roller (3), both sides of the fixed frame (1) are provided with a support structure (4), the support structure (4) comprises a fixed plate (41), the surface of the fixed plate (41) is fixedly connected with an electric telescopic rod (42), the bottom of the electric telescopic rod (42) is fixedly connected with a support plate (43), the inside of the fixed frame (1) is provided with a vibration structure (5), the vibration structure (5) comprises a motor (51), the output end of the motor (51) is fixedly connected with a rotating rod (52), the surface of the rotating rod (52) is fixedly connected with two groups of cams (53) in pairs of symmetry, four groups of fixed blocks (54) are fixedly connected at the four corners of the inner wall of the fixed frame (1), the inside of the fixed block (54) is slidably connected with a sliding rod (55), the bottom of the fixed block (54) is fixedly connected with a spring (56), the bottom of the sliding rod (55) is fixedly connected with a limiting block (57), the inside of the fixed frame (1) is provided with a mounting structure (6), the mounting structure (6) comprises a mounting plate (61), both sides of the mounting plate (61) are provided with a sliding groove (62), the inside of the sliding groove (62) is slidably connected with a sliding block (63), the inside of the sliding block (63) is fixedly connected with a connecting rod (65), the surface of the connecting rod (65) is sleeved with a spring (64), one side of the connecting rod (65) is fixedly connected with a plug block (66), one end of the mounting plate (61) away from the sliding groove (62) is provided with a sliding groove (67), the inside of the sliding groove (67) is slidably connected with a sliding block (68), the surface of the sliding block (68) is fixedly connected with an abutting block (69), the surface of the sliding block (68) is fixedly connected with a spring (610), the inside of the mounting plate (61) is slidably connected with a pull-out screen plate (7), both sides of the pull-out screen plate (7) are provided with a plug groove (71), the bottom of the bottom plate (2) is fixedly connected with a discharge port (8).
2. The Chinese chestnut screening rack according to claim 1, wherein: The electric telescopic rod (42) and the motor (51) are electrically connected with an external power supply.
3. The Chinese chestnut screening rack of claim 1, wherein: The length of the support plate (43) is consistent with the length of the bottom plate (2), and the bottom of the support plate (43) is provided with a rubber pad.
4. The Chinese chestnut screening rack of claim 1, wherein: The mounting plate (61) is in U shape, the surface of the cam (53) abuts against the bottom of the mounting plate (61), the sliding rod (55) is fixedly connected at the four corners of the bottom of the mounting plate (61), the surface of the fixed block (54) is provided with a circular groove, the sliding rod (55) is slidably connected in the circular groove, the radius of the limiting block (57) is greater than the radius of the circular groove, and the two ends of the spring (56) are fixedly connected with the bottom of the fixed block (54) and the top of the spring (56) respectively.
5. The Chinese chestnut screening rack of claim 4, wherein: The inner side surface of the mounting plate (61) is provided with a clamping groove in U shape, the pull-out screen plate (7) is inserted into the clamping groove, the surface of the fixing frame (1) is provided with a square groove one, the pull-out screen plate (7) is inserted into the square groove one, the two sides of the fixing frame (1) are provided with sliding grooves three, and the connecting rod (65) is slidingly connected into the sliding grooves three.
6. The Chinese chestnut sorting rack of claim 1, wherein: The connecting rod (65) penetrates through the two sides of the sliding groove one (62), the cross section of the plug block (66) is triangular, the connecting rod (65) is slidingly connected into the plug groove (71), and the two ends of the spring two (64) are fixedly connected with the inner wall of the sliding groove one (62) and the surface of the sliding block one (63) respectively.
7. The Chinese chestnut sorting rack of claim 5, wherein: The sliding groove two (67) is communicated with the clamping groove, the length and width of the sliding block two (68) are greater than those of the abutting block (69), and the two ends of the spring three (610) are fixedly connected with the surface of the sliding block two (68) and the inner wall of the pull-out screen plate (7) respectively.