Feed crushing and screening device
By creating slots in the side wall of the crushing chamber and combining them with a sliding plate and a locking plate design, the problem of needing to stop the machine to replace the screen plates in the existing technology is solved, enabling rapid replacement of the screen plates and improving processing efficiency and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG TONGWEI FEED
- Filing Date
- 2025-03-11
- Publication Date
- 2026-04-10
AI Technical Summary
Existing feed crushing and screening devices require machine shutdown when replacing screen plates, and the screen plates are located below the hammer plates, making installation and disassembly inconvenient and affecting processing efficiency.
A through groove is opened on the side wall of the crushing chamber. Through the design of the sliding plate and the locking plate, the screen plates can be disassembled and mounted synchronously without stopping the machine. By using the cooperation of gears and racks, interference of hammer plates is avoided, and screen plates can be quickly replaced.
It enables quick replacement of screen plates without stopping the machine, improving processing efficiency, reducing manpower consumption, and meeting different screening needs.
Smart Images

Figure CN224100819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of feed processing, and particularly relates to a feed crushing and screening device. BACKGROUND
[0002] The feed crushing and screening device is a kind of crushing equipment that utilizes high-speed rotating hammer to break materials and screens out the required particle size through screen sheet; during operation, feed enters the crushing chamber from the feeding mechanism and flies towards the tooth plate under the impact of high-speed rotating hammer; after colliding with the tooth plate, the feed is impacted by the hammer again; under the repeated impact and collision, the feed is gradually crushed; and the crushed material is discharged through the screen hole.
[0003] The screen sheet for screening feed of the prior art feed crushing and screening device is installed inside the crushing chamber; due to different processing requirements, screen sheets with different screen hole sizes need to be replaced; however, each replacement requires stopping the machine and opening the equipment, which delays the processing efficiency; in addition, the screen sheet is located below the hammer, and is blocked by the hammer when being removed or installed, which is inconvenient. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a feed crushing and screening device; a through slot is formed in the side wall of the crushing chamber; the screen sheet inside the crushing chamber can be synchronously removed and mounted without stopping the machine; the replacement of the screen sheet can be completed without opening the equipment; thus, different screening requirements can be met, which is convenient, fast, time-saving and labor-saving.
[0005] The technical scheme adopted by the utility model is as follows:
[0006] A feed crushing and screening device, comprising an enclosure rotatably assembled on the top of a crushing chamber; one side of the crushing chamber is fixedly connected with a second supporting plate; the inside of the crushing chamber and the top of the second supporting plate are movably arranged with a screen sheet; the bottom of the second supporting plate is fixedly connected with a fixed block in a symmetrical manner; one side of one of the fixed blocks is fixedly assembled with a spring column; the middle of the other fixed block is slidably connected with a sliding plate; one end of the sliding plate is fixedly connected with the spring column; one end of the sliding plate is fixedly connected with a clamping plate for clamping the screen sheet; the inner wall of the crushing chamber is fixedly connected with a first supporting plate in a symmetrical manner; the side walls of the crushing chamber are throughly formed with a through slot for the screen sheet to pass through; one side of the first supporting plate is fixedly connected with a support plate; the two ends of the support plate are arranged outside the crushing chamber; a plurality of first panels are fixedly connected with one side of the screen sheet at equal distances; a plurality of second panels are throughly formed with a slot on the other side of the screen sheet at equal distances for the first panels to fit into; the crushing chamber is slidably assembled with a tooth rod in a mirror image symmetrical manner on the side away from the second supporting plate; one end of the tooth rod is fixedly connected with a second panel for movably fitting into the support plate.
[0007] The motor is fixedly assembled on one side of the crushing chamber, and a rotating shaft is rotatably assembled in the middle of the crushing chamber.
[0008] The output end of the motor is in transmission connection with one end of the rotating shaft through a belt, and the motor is arranged above the rotating shaft.
[0009] The bottom of the clamping plate is fixedly connected with a push rod, and the sieve sheet is movably hung on the top of the first supporting plate through the hanging plates at two ends.
[0010] The two sides of the sieve sheet are both provided with sliding grooves for slidingly matching with the supporting plates, and the outer wall of the rotating shaft and above the sieve sheet is fixedly assembled with a hammer sheet.
[0011] The outer wall of the crushing chamber and below the toothed rod is rotatably connected with a gear two in a mirror-symmetrical mode, and the gear two is in meshing connection with the toothed rod.
[0012] The crushing chamber is rotatably connected with a gear one on one side, the gear one is in meshing connection with two gear twos at the same time, and the gear one is fixedly connected with a rotating handle on one side.
[0013] The technical effect achieved by the present application is that the through slot formed in the side wall of the crushing chamber can realize synchronous dismounting and mounting of the sieve sheet in the crushing chamber without stopping the machine, the sieve sheet can be replaced without opening the equipment, different screening requirements can be met, and time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the overall appearance view of the feed crushing and screening device provided by the embodiment of the present application;
[0015] Figure 2 is Figure 1 the enlarged view of part A in FIG.
[0016] Figure 3 is the structure bottom view of the feed crushing and screening device provided by the embodiment of the present application;
[0017] Figure 4 is Figure 3 the enlarged view of part B in FIG.
[0018] Figure 5 is the internal structure view of the crushing chamber provided by the embodiment of the present application;
[0019] Figure 6 is Figure 5 the enlarged view of part C in FIG.
[0020] Figure 7 is the structure detail view of the sieve sheet provided by the embodiment of the present application.
[0021] The components represented by the reference numerals in the drawings are listed as follows:
[0022] 1. pulverizing chamber; 101. cover; 102. motor; 103. rotating shaft; 104. belt; 105. supporting plate I; 106. sliding groove; 107. sieve sheet; 108. hanging plate; 109. panel I; 110. embedding groove; 111. supporting plate; 112. supporting plate II; 113. fixing block; 114. spring column; 115. sliding plate; 116. clamping plate; 117. push rod; 118. through groove; 119. gear I; 120. gear II; 121. toothed rod; 122. handle; 123. panel II; 124. hammer sheet. DETAILED DESCRIPTION
[0023] In order to make the purpose and advantages of the present application more clear and apparent, the present application will be described in detail below with reference to the embodiments. It should be understood that the following description is only used to describe one or several specific embodiments of the present application and does not strictly limit the scope of the present application.
[0024] As Figures 1-7As shown, a feed crushing and screening device, including a cover 101 rotatably assembled on the top of a crushing chamber 1, a motor 102 fixedly assembled on one side of the crushing chamber 1, a rotating shaft 103 rotatably assembled in the middle of the crushing chamber 1, the output end of the motor 102 is in transmission connection with one end of the rotating shaft 103 through a belt 104, the motor 102 is arranged above the rotating shaft 103, the crushing chamber 1 is fixedly connected with a second supporting plate 112 on one side, the inside of the crushing chamber 1 and the top of the second supporting plate 112 are movably provided with sieve pieces 107, the bottom of the second supporting plate 112 is fixedly connected with fixed blocks 113 in a symmetrical manner, one side of one of the fixed blocks 113 is fixedly assembled with a spring column 114, the middle of the other fixed block 113 is slidably connected with a sliding plate 115, one end of the sliding plate 115 is fixedly connected with the spring column 114, one end of the sliding plate 115 is fixedly connected with a clamping plate 116 for clamping the sieve pieces 107, the bottom of the clamping plate 116 is fixedly connected with a push rod 117, the inner wall of the crushing chamber 1 is fixedly connected with a first supporting plate 105 in a symmetrical manner, the sieve pieces 107 are movably hung on the top of the first supporting plate 105 through hanging plates 108 at both ends, the side walls of the crushing chamber 1 are throughly provided with through grooves 118 for the sieve pieces 107 to pass through, the first supporting plate 105 is fixedly connected with a supporting plate 111 on one side, both ends of the supporting plate 111 are arranged outside the crushing chamber 1, both sides of the sieve pieces 107 are provided with sliding grooves 106 for slidingly embedding the supporting plate 111, the outer wall of the rotating shaft 103 and above the sieve pieces 107 is fixedly assembled with a hammer piece 124, a plurality of first panel 109 are fixedly connected with the sieve pieces 107 on one side at equal intervals, a plurality of second panel 123 are fixedly connected with the toothed rod 121 on the side of the crushing chamber 1 away from the second supporting plate 112 in a mirror-symmetrical manner, the toothed rod 121 is fixedly connected with the second panel 123 for movably embedding the supporting plate 111, the outer wall of the crushing chamber 1 and below the toothed rod 121 is rotatably connected with a second gear 120 in a mirror-symmetrical manner, the second gear 120 is in meshing connection with the toothed rod 121, a first gear 119 is rotatably connected with the crushing chamber 1 on one side, the first gear 119 is in meshing connection with two second gears 120 at the same time, the first gear 119 is fixedly connected with a handle 122 on one side.
[0025] According to the above structure, when the crushing work is needed, a screen piece 107 can be placed on the supporting plate two 112, the sliding groove 106 is embedded with the supporting plate 111, the screen piece 107 is pushed to be embedded through the slot 118 from the lower part of the hammer piece 124, in the initial state, the embedded plate two 123 is embedded with the supporting plate 111, the screen piece 107 is slid until it is stopped by the embedded plate two 123, the screen piece 107 is hung on the supporting plate one 105 through the hanging plate 108, then a screen piece 107 with different aperture is placed on the top of the supporting plate two 112 for standby, the two screen pieces 107 are connected through the embedding of the embedded plate one 109 and the embedded groove 110, the clamping plate 116 and the sliding plate 115 are pulled through the push rod 117, the spring column 114 is extended and retracted, the clamping plate 116 is moved to one side of the screen piece 107 to clamp it, the two ends of the two screen pieces 107 are clamped by the clamping plate 116 and blocked by the embedded plate two 123 respectively, and are fixed, when the screen piece 107 needs to be replaced, the gear one 119 is rotated through the handle 122, the two gear two 120 are rotated respectively, the gear two 120 is rotated to drive the toothed rod 121 to move, the embedded plate two 123 is separated from the supporting plate 111, the screen piece 107 in the crushing chamber 1 is not blocked by the embedded plate two 123, and the screen piece 107 can be pulled out, since the motor 102 is arranged above the rotating shaft 103, and the belt 104 connecting the two is inclined upward, the screen piece 107 is not affected by the belt 104 when it is slid out, and when the screen piece 107 in the crushing chamber 1 is slid out, the screen piece 107 on the top of the supporting plate two 112 can be pulled into the crushing chamber 1 through the embedding of the embedded plate one 109 and the embedded groove 110, so that the screening can continue, then the screen piece 107 is placed on the top of the supporting plate two 112, the embedded plate two 123 is embedded with the supporting plate 111 to block the screen piece 107 in the crushing chamber 1, the clamping plate 116 clamps the screen piece 107 on the top of the supporting plate two 112, and the two screen pieces 107 are fixed; the slot 118 formed in the side wall of the crushing chamber 1 can synchronously dismount and hang the screen piece 107 in the crushing chamber 1 without stopping, the screen piece 107 can be replaced without opening the equipment, different screening requirements can be met, and time and labor can be saved.
[0026] The working principle of the utility model is as follows: when the crushing work is needed, a screen piece 107 can be placed on the supporting plate two 112, the sliding groove 106 is embedded with the supporting plate 111, the screen piece 107 is embedded into the through slot 118 from the lower part of the hammer piece 124, the embedded plate two 123 is embedded with the supporting plate 111 in the initial state, the screen piece 107 keeps sliding until it is stopped by the embedded plate two 123, the screen piece 107 is hung on the supporting plate one 105 through the hanging plate 108, then a screen piece 107 with different aperture is continuously placed on the top of the supporting plate two 112 for standby, the two screen pieces 107 are connected through the embedding of the embedded plate one 109 and the embedded groove 110, the clamping plate 116 and the sliding plate 115 are pulled through the push rod 117, the spring column 114 is telescoped, the clamping plate 116 is moved to one side of the screen piece 107 to clamp it, the two ends of the two screen pieces 107 are clamped by the clamping plate 116 and blocked by the embedded plate two 123 respectively, and are fixed, when the screen piece 107 needs to be replaced, the gear one 119 is rotated through the handle 122, the two gear two 120 are rotated respectively, the gear two 120 is rotated to drive the gear rod 121 to move, the embedded plate two 123 is separated from the supporting plate 111, the screen piece 107 in the crushing chamber 1 is not blocked by the embedded plate two 123, and the screen piece 107 can be pulled out, since the motor 102 is arranged above the rotating shaft 103, the belt 104 connecting the two is inclined upward, so the screen piece 107 will not be affected by the belt 104 when it slides out, and when the screen piece 107 in the crushing chamber 1 slides out, the screen piece 107 on the top of the supporting plate two 112 can be pulled into the crushing chamber 1 through the embedding of the embedded plate one 109 and the embedded groove 110, and the screening can be continuously carried out, then the screen piece 107 is placed on the top of the supporting plate two 112, the embedded plate two 123 is embedded with the supporting plate 111 to block the screen piece 107 in the crushing chamber 1, the clamping plate 116 clamps the screen piece 107 on the top of the supporting plate two 112, and the two screen pieces 107 are continuously fixed.
[0027] The above only is the preferred implementation of the utility model, it should be pointed out that, for ordinary technical personnel in the prior art, on the premise of not departing from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model. The structure, device and operation method not specifically described and explained in the utility model, are implemented according to conventional means in the art, if no special description and limitation.
Claims
1. A feed breaking and screening device comprising a cover (101) assembled to the top of a breaking chamber (1) in rotation, characterized in that: One side of the crushing chamber (1) is fixedly connected with a second supporting plate (112), the inside of the crushing chamber (1) and the top of the second supporting plate (112) are movably provided with a sieve plate (107), the bottom of the second supporting plate (112) is fixedly connected with a fixed block (113) in a symmetrical manner, one side of one of the fixed blocks (113) is fixedly connected with a spring column (114), the other fixed block (113) is movably connected with a sliding plate (115) in the middle, one end of the sliding plate (115) is fixedly connected with the spring column (114), one end of the sliding plate (115) is fixedly connected with a clamping plate (116) for clamping the sieve plate (107), the inner wall of the crushing chamber (1) is fixedly connected with a first supporting plate (105) in a symmetrical manner, the two side walls of the crushing chamber (1) are provided with a through slot (118) for the sieve plate (107) to pass through in a penetrating manner, one side of the first supporting plate (105) is fixedly connected with a supporting plate (111), both ends of the supporting plate (111) are arranged outside the crushing chamber (1), one side of the sieve plate (107) is fixedly connected with a plurality of first panel (109) in an equidistant manner, the other side of the sieve plate (107) is provided with an embedding groove (110) in an equidistant penetrating manner for embedding the first panel (109), the crushing chamber (1) is movably assembled with a toothed rod (121) in a mirror image symmetrical manner on the side away from the second supporting plate (112), one end of the toothed rod (121) is fixedly connected with a second panel (123) for movably embedding the supporting plate (111).
2. A feed crushing and screening apparatus according to claim 1, characterised in that: One side of the crushing chamber (1) is fixedly connected with a motor (102), the middle of the crushing chamber (1) is rotatably connected with a rotating shaft (103).
3. A feed crushing and screening apparatus according to claim 2, wherein: The output end of the motor (102) is in transmission connection with one end of the rotating shaft (103) through a belt (104), and the motor (102) is arranged above the rotating shaft (103).
4. A feed crushing and screening apparatus according to claim 1, wherein: The bottom of the clamping plate (116) is fixedly connected with a push rod (117), and the sieve plate (107) is movably hung on the top of the first supporting plate (105) through the hanging plates (108) at both ends.
5. A feed crushing and screening apparatus according to claim 2, wherein: Both sides of the sieve plate (107) are provided with a sliding groove (106) for slidingly embedding the supporting plate (111), and the outer wall of the rotating shaft (103) and above the sieve plate (107) is fixedly connected with a hammer plate (124).
6. A feed crushing and screening apparatus according to claim 1, wherein: The outer wall of the crushing chamber (1) and below the toothed rod (121) are rotatably connected with a second gear (120) in a mirror image symmetrical manner, and the second gear (120) is in meshing connection with the toothed rod (121).
7. A feed crushing and screening apparatus according to claim 6, wherein: One side of the crushing chamber (1) is rotatably connected with a first gear (119), the first gear (119) is in meshing connection with two second gears (120) at the same time, and one side of the first gear (119) is fixedly connected with a handle (122).