CN217940299U

CN217940299U - Maintainable meat and bone meal is with smashing grinder that has screening function

Info

Publication number: CN217940299U
Application number: CN202221172292.3U
Authority: CN
Inventors: 杜金兴; 付瑞花; 张金辉
Original assignee: Wudi Xingya Biotech Co ltd; Shandong Jindaheng Biotechnology Co ltd
Current assignee: Wudi Xingya Biotech Co ltd; Shandong Jindaheng Biotechnology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-12-02
Anticipated expiration: 2032-05-16

Abstract

The utility model provides a maintainable meat and bone meal is with smashing grinder with screening function, including smashing and grinding case, fastening bolt, case lid, striker block, crushing roller, crushing motor, control panel, case leg, first discharge gate, second discharge gate, wear-resisting rotatory grinding block structure, vibration screening stock guide structure and anti-collapse and splash feeder hopper structure, smashing and grinding case upper portion through fastening bolt fastening connection with the case lid; smash and grind the inside upside left and right sides of incasement portion bolted connection have the material stopping block respectively, and the inboard semicircular groove of having seted up respectively that keeps off the material block, wherein the semicircular groove inboard all is provided with crushing roller. The utility model discloses connecting block, the wear-resisting grinding bucket of toper, the row expects the fill, the mounting panel, grinds the motor, and the setting of the wear-resisting grinding piece of round platform form and arc guide block is favorable to realizing wear-resisting function, still can realize the function of grinding meat and bone meal raw materials.

Description

Maintainable meat and bone meal is with smashing grinder that has screening function

Technical Field

The utility model belongs to the technical field of meat and bone meal processing, especially, relate to a meat and bone meal that can maintain is with crushing grinder who has the screening function.

Background

Meat and bone meal is a feed product made of raw materials such as livestock bodies, residual broken meat, bones, internal organs and the like, and in the process of processing the meat and bone meal, the dried raw materials are generally required to be crushed and ground, and a crushing and grinding device is required when the raw materials are crushed and ground.

At present, the crushing and grinding device is widely applied.

But current crushing grinder still has the function of being not convenient for realize wear-resisting, the function of being not convenient for realize the screening with be not convenient for realize preventing the problem of the function that splashes.

Therefore, it is necessary to develop a maintainable crushing and grinding device for meat and bone meal with a sieving function.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists, the utility model provides a meat and bone meal that can maintain is with smashing grinder with screening function, wherein the utility model discloses a can realize through following technical scheme:

a maintainable crushing and grinding device with a screening function for meat and bone meal comprises a crushing and grinding box, fastening bolts, a box cover, a material blocking block, a crushing roller, a crushing motor, a control panel, box legs, a first discharge port, a second discharge port, a wear-resistant rotary grinding block structure, a vibration screening material guide plate structure and an anti-splash feed hopper structure, wherein the upper part of the crushing and grinding box is fixedly connected with the box cover through the fastening bolts; the left side and the right side of the upper side in the crushing and grinding box are respectively connected with a material blocking block through bolts, the middle inner side of each material blocking block is provided with a semicircular groove, and the inner sides of the semicircular grooves are provided with crushing rollers; the crushing rollers are respectively connected to the left side and the right side of the upper side inside the crushing and grinding box through bearings; the left side and the right side of the upper side of the front part of the crushing and grinding box are respectively connected with a crushing motor through bolts, and the rear end of an output shaft of the crushing motor respectively penetrates through the left side and the right side of the front upper side in the crushing and grinding box; the rear end of an output shaft of the crushing motor is respectively connected with a front end coupler of the crushing roller; the upper side of the middle part of the right part of the crushing and grinding box is connected with a control panel through a bolt; four corners of the lower part of the crushing and grinding box are respectively connected with box legs through bolts; a first discharge hole is formed in the middle of the lower right side inside the crushing and grinding box; a second discharge hole is formed in the left lower side inside the crushing and grinding box; the abrasion-resistant rotary grinding block structure is connected with the material blocking block; the vibrating screening material guide plate structure is connected with the crushing and grinding box; the anti-splash feed hopper structure is connected with the box cover; the abrasion-resistant rotary grinding block structure comprises a connecting block, a conical abrasion-resistant grinding hopper, a discharge hopper, a mounting plate, a grinding motor, a truncated cone-shaped abrasion-resistant grinding block and an arc-shaped material guide block, wherein the conical abrasion-resistant grinding hopper is connected with an opening at the lower part of the connecting block through a bolt; the opening at the middle part of the lower side of the conical wear-resistant grinding hopper is connected with a discharge hopper through a bolt; the middle lower side in the discharge hopper is connected with a mounting plate through a bolt; the middle part of the lower part of the mounting plate is connected with a grinding motor through a bolt; the upper end of an output shaft of the grinding motor penetrates through the middle part inside the mounting plate; the upper end of an output shaft of the grinding motor is in threaded connection with an opening at the middle part of the lower part of the circular truncated cone-shaped wear-resistant grinding block, and the circular truncated cone-shaped wear-resistant grinding block is positioned at the middle lower part of the inner side of the conical wear-resistant grinding bucket; the upper part of the round table-shaped wear-resistant grinding block is connected with an arc-shaped material guide block through a bolt.

Preferably, the vibration screening material guide plate structure comprises a first inclined material guide plate, a square-shaped baffle, a second inclined material guide plate, a material baffle, screening holes, a spring and a vibration motor, wherein the right side of the upper part of the first inclined material guide plate is connected with the square-shaped baffle through a bolt; a discharge outlet is formed in the lower right side inside the square-shaped baffle; the right part of the first inclined material guide plate is integrally connected with a second inclined material guide plate; the front side and the rear side of the upper part of the second inclined material guide plate are respectively connected with a material baffle plate through bolts, and the material baffle plates are respectively positioned on the front side and the rear side of the discharge port; screening holes are respectively formed in the middle and the periphery of the interior of the first inclined material guide plate and are positioned on the inner side of the square-back baffle; the four corners of the lower part of the first inclined material guide plate are respectively connected with a spring through bolts; and the left side of the lower part of the first inclined material guide plate is connected with a vibration motor through a bolt, and the vibration motor is positioned on the left side and on the inner side between the springs.

Preferably, the anti-splash feed hopper structure comprises a bent guide hopper, a limiting block, an inverted U-shaped mounting seat, an anti-splash baffle and a feed hopper, wherein the limiting block is connected to the lower left part of the inner side of the inclined section of the bent guide hopper through a bolt; the left upper part of the inner side of the inclined section of the bent material guide hopper is connected with an inverted U-shaped mounting seat through a bolt; the middle lower side in the inverted U-shaped mounting seat is in shaft joint with the middle upper side of the anti-splash baffle, and the anti-splash baffle is positioned on the right side of the limiting block; the lower end of the vertical section of the bent material guide hopper is connected with a feed hopper through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the connecting block, the wear-resisting grinding bucket of toper, arrange the hopper, the mounting panel grinds the motor, the setting of the wear-resisting grinding piece of round platform form and arc guide block is favorable to realizing wear-resisting function, still can realize the function of grinding meat and bone meal raw materials.

2. The utility model discloses in, first slope stock guide, return style of calligraphy baffle, second slope stock guide, the striker plate sieves the hole, spring and vibrating motor's setting is favorable to realizing the function of screening.

3. The utility model discloses in, the form guide fill of buckling, the stopper, the type of falling U mount pad prevents collapsing the setting that spatters baffle and feeder hopper, is favorable to realizing preventing collapsing the function that spatters.

4. The utility model discloses in, crushing grinding case, the setting of fastening bolt and case lid is favorable to realizing being convenient for maintain the function of smashing grinding incasement part.

5. The utility model discloses in, crushing roller and crushing motor's setting, be favorable to realizing the function of smashing meat and bone meal raw materials.

6. The utility model discloses in, the setting of second discharge gate, be favorable to realizing arranging the function of material.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the structure of the wear-resistant rotary grinding block of the present invention.

Fig. 3 is a schematic structural view of the guide plate structure of the vibrating screen.

Fig. 4 is the structure schematic diagram of the anti-splash feed hopper structure of the utility model.

In the figure:

1. a crushing and grinding box; 2. fastening a bolt; 3. a box cover; 4. a material blocking block; 5. a crushing roller; 6. a grinding motor; 7. a control panel; 8. a box leg; 9. a first discharge port; 10. a second discharge port; 11. a wear-resistant rotary grinding block structure; 111. connecting blocks; 112. a conical wear-resistant grinding hopper; 113. a discharge hopper; 114. mounting a plate; 115. grinding the motor; 116. a round table shaped wear resistant grinding block; 117. an arc-shaped material guide block; 12. a material guide plate structure of a vibrating screen; 121. a first inclined material guide plate; 122. a square baffle plate; 123. a second inclined material guide plate; 124. a striker plate; 125. screening holes; 126. a spring; 127. a vibration motor; 13. a splash-proof feed hopper structure; 131. a bent material guide hopper; 132. a limiting block; 133. an inverted U-shaped mounting base; 134. a splash-proof baffle plate; 135. a feed hopper.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a maintainable crushing and grinding device with screening function for meat and bone meal comprises a crushing and grinding box 1, a fastening bolt 2, a box cover 3, a material blocking block 4, a crushing roller 5, a crushing motor 6, a control panel 7, box legs 8, a first discharge port 9 and a second discharge port 10, wherein the box cover 3 is tightly connected to the upper part of the crushing and grinding box 1 through the fastening bolt 2, so as to play a role of facilitating maintenance of internal parts of the crushing and grinding box 1; the left side and the right side of the upper side in the crushing and grinding box 1 are respectively connected with a material blocking block 4 through bolts, the middle inner side of each material blocking block 4 is provided with a semicircular groove, and the inner sides of the semicircular grooves are provided with crushing rollers 5; the crushing rollers 5 are respectively connected to the left side and the right side of the upper side in the crushing and grinding box 1 through bearings; the left side and the right side of the upper side of the front part of the crushing and grinding box 1 are respectively connected with a crushing motor 6 through bolts, and the rear end of an output shaft of the crushing motor 6 respectively penetrates through the left side and the right side of the front upper side in the crushing and grinding box 1; the rear end of the output shaft of the crushing motor 6 is respectively connected with the front end shaft coupling of the crushing roller 5, so that the effect of conveniently crushing meat and bone meal raw materials is achieved; the upper side of the middle part of the right part of the crushing and grinding box 1 is connected with a control panel 7 by bolts; four corners of the lower part of the crushing and grinding box 1 are respectively connected with box legs 8 through bolts; a first discharge hole 9 is formed in the middle part of the lower right side inside the crushing and grinding box 1; a second discharge hole 10 is formed in the left lower side inside the crushing and grinding box 1, and the function of discharging materials is achieved.

The maintainable crushing and grinding device with the screening function for the meat and bone meal further comprises a wear-resistant rotary grinding block structure 11, a vibration screening material guide plate structure 12 and an anti-splash feed hopper structure 13, wherein the wear-resistant rotary grinding block structure 11 is connected with the material blocking block 4, so that the wear-resistant function is realized; the vibration screening material guide plate structure 12 is connected with the crushing and grinding box 1, so that the screening function can be realized; the anti-splash feed hopper structure 13 is connected with the box cover 3, and is favorable for realizing the anti-splash function.

The abrasion-resistant rotary grinding block structure 11 comprises a connecting block 111, a conical abrasion-resistant grinding hopper 112, a discharge hopper 113, a mounting plate 114, a grinding motor 115, a circular truncated cone-shaped abrasion-resistant grinding block 116 and an arc-shaped material guide block 117, wherein the conical abrasion-resistant grinding hopper 112 is connected to an opening at the lower part of the connecting block 111 through a bolt; the opening at the middle part of the lower side of the conical wear-resistant grinding hopper 112 is connected with a discharge hopper 113 through bolts; the middle lower side of the interior of the discharge hopper 113 is connected with a mounting plate 114 through bolts; the middle part of the lower part of the mounting plate 114 is connected with a grinding motor 115 through a bolt; the upper end of the output shaft of the grinding motor 115 penetrates through the middle part inside the mounting plate 114; the upper end of an output shaft of the grinding motor 115 is in threaded connection with an opening in the middle of the lower part of the circular truncated cone-shaped wear-resistant grinding block 116, the circular truncated cone-shaped wear-resistant grinding block 116 is located at the middle lower part of the inner side of the conical wear-resistant grinding hopper 112, when meat and bone meal raw materials are ground, the grinding motor 115 can be controlled to be started through the control panel 7, the grinding motor 115 can drive the circular truncated cone-shaped wear-resistant grinding block 116 to rotate at the moment, and the meat and bone meal raw materials located between the circular truncated cone-shaped wear-resistant grinding block 116 and the conical wear-resistant grinding hopper 112 can be extruded and ground, so that the function of grinding the meat and bone meal raw materials is realized, and the conical wear-resistant grinding hopper 112 and the circular truncated cone-shaped wear-resistant grinding block 116 are both made of manganese steel, so that the circular truncated cone-shaped wear-resistant grinding block 116 and the conical wear-resistant grinding hopper 112 have wear resistance, the wear-resistant function is realized, and the service life of the device is prolonged; the upper part of the round table-shaped wear-resistant grinding block 116 is connected with an arc-shaped material guide block 117 through bolts.

In this embodiment, referring to fig. 3, the vibrating screening material guiding plate structure 12 includes a first inclined material guiding plate 121, a square-shaped baffle 122, a second inclined material guiding plate 123, a material blocking plate 124, a screening hole 125, a spring 126 and a vibrating motor 127, wherein the square-shaped baffle 122 is connected to the right side of the upper portion of the first inclined material guiding plate 121 through a bolt; a discharge outlet is formed in the lower right side inside the square-shaped baffle 122; the right part of the first inclined material guide plate 121 is integrally connected with a second inclined material guide plate 123; the front side and the rear side of the upper part of the second inclined material guide plate 123 are respectively connected with a material baffle plate 124 through bolts, and the material baffle plates 124 are respectively positioned at the front side and the rear side of the discharge hole; the middle and periphery parts inside the first inclined material guide plate 121 are respectively provided with screening holes 125, and the screening holes 125 are all positioned on the inner side of the square-back-shaped baffle 122; the four corners of the lower part of the first inclined material guiding plate 121 are respectively connected with a spring 126 through bolts; first slope stock guide 121 lower part left side bolted connection have vibrating motor 127, and vibrating motor 127 is located the left side spring 126 between inboard, when meat and bone meal raw materials after grinding fall to first slope stock guide 121 upper portion, operating personnel accessible control panel 7 control vibrating motor 127 starts, meat and bone meal raw materials after grinding this moment then can be at the upper portion of first slope stock guide 121 to the right side removal, and less raw materials can fall to the inboard bottom of smashing grinding case 1 through screening hole 125, and great raw materials then can be arranged inside external collecting box through bin outlet and second slope stock guide 123, thereby realize the function of screening.

In this embodiment, as shown in fig. 4, the anti-splash feeding hopper structure 13 includes a bent guiding hopper 131, a limiting block 132, an inverted U-shaped mounting seat 133, an anti-splash baffle 134 and a feeding hopper 135, wherein the limiting block 132 is connected to the lower left part of the inner side of the inclined section of the bent guiding hopper 131 by a bolt; the left upper part of the inner side of the inclined section of the bent material guide hopper 131 is connected with an inverted U-shaped mounting seat 133 through a bolt; the middle lower side of the interior of the inverted U-shaped mounting seat 133 is in shaft connection with the middle upper side of the anti-splash baffle 134, the anti-splash baffle 134 is positioned on the right side of the limiting block 132, when meat and bone meal raw materials are added, the anti-splash baffle 134 can be directly pushed to the right side, the meat and bone meal raw materials are poured into the bent guide hopper 131, the meat and bone meal raw materials can slide into the feed hopper 135 through the bent guide hopper 131, then the raw materials enter the crushing and grinding box 1 through the feed hopper 135 to be crushed, and when the raw materials are splashed, the bent guide hopper 131 is bent, so that the problem that the raw materials are splashed to the exterior of the crushing and grinding box 1 can be avoided, and the anti-splash function is realized; the lower end of the vertical section of the bent material guide hopper 131 is connected with a feed hopper 135 through a bolt.

In this embodiment, specifically, the left and right sides of the upper portion of the connecting block 111 are respectively connected with the lower bolt of the material blocking block 4.

In this embodiment, specifically, the first inclined material guiding plate 121 is located at the lower middle portion inside the grinding box 1, and four corner portions of the lower inner wall of the grinding box 1 are respectively connected to the lower end bolts of the springs 126.

In this embodiment, specifically, the right portion of the second inclined material guiding plate 123 penetrates through the first material outlet 9 and extends to the right side of the pulverizing and grinding box 1.

In this embodiment, specifically, the lower portion of the feed hopper 135 is connected to the opening of the middle portion of the upper portion of the box cover 3 by bolts.

In this embodiment, specifically, the discharge hopper 113 is disposed opposite to and in cooperation with the return-shaped baffle 122.

In the present embodiment, specifically, the right side of the lower inner wall of the crushing and grinding box 1 is inclined upward.

In this embodiment, specifically, the left portion of the first inclined material guiding plate 121 is disposed to be inclined upward.

In this embodiment, specifically, the tapered wear-resistant grinding hopper 112 is a tapered manganese steel hopper.

In this embodiment, specifically, the circular truncated cone-shaped wear-resistant grinding block 116 is a circular truncated cone-shaped manganese steel block.

In this embodiment, the bent material guiding hopper 131 is a square bent stainless steel hopper.

In this embodiment, specifically, the splash-proof baffle 134 is a stainless steel plate with a square longitudinal section.

In the present embodiment, the crushing roller 5 is a serrated crushing roller.

In this embodiment, specifically, the grinding motor 115 and the pulverizing motor 6 both use AKM2G series servo motors.

In this embodiment, specifically, the vibration motor 127 is a TB-0.6 type vibration motor.

In this embodiment, specifically, the control panel 7 is a digital display panel embedded with FX2N-48 PLC.

In this embodiment, specifically, the grinding motor 115, the pulverizing motor 6 and the vibrating motor 127 are all electrically connected to the control panel 7.

Principle of operation

In the utility model, when grinding meat and bone meal raw materials, the control panel 7 can control the grinding motor 115 to start, at this time, the grinding motor 115 can drive the round platform-shaped wear-resistant grinding block 116 to rotate, and the meat and bone meal raw materials between the round platform-shaped wear-resistant grinding block 116 and the conical wear-resistant grinding bucket 112 can be extruded and ground, so as to realize the function of conveniently grinding the meat and bone meal raw materials, because the conical wear-resistant grinding bucket 112 and the round platform-shaped wear-resistant grinding block 116 are both made of manganese steel, so that the round platform-shaped wear-resistant grinding block 116 and the conical wear-resistant grinding bucket 112 have wear resistance, and further realize the wear-resistant function, and the service life of the device is prolonged; when the ground meat and bone meal raw materials fall to the upper part of the first inclined guide plate 121, an operator can control the vibration motor 127 to start through the control panel 7, at the moment, the ground meat and bone meal raw materials can move to the right side on the upper part of the first inclined guide plate 121, smaller raw materials can fall to the bottom of the inner side of the grinding box 1 through the screening holes 125, larger raw materials can be discharged into an external collection box through the discharge hole and the second inclined guide plate 123, and therefore the screening function is achieved; when adding the meat and bone meal raw materials, can directly promote to the right side and prevent collapsing and spatter baffle 134 to pour the meat and bone meal raw materials into the form guide hopper 131 that buckles inside, and the meat and bone meal raw materials then can be through the form guide hopper 131 that buckles inside to feeder hopper 135, the raw materials gets into through feeder hopper 135 afterwards and smashes grinding incasement portion and smash, when the raw materials takes place to collapse and spatter, because of the form guide hopper 131 that buckles is the form of buckling, thereby can avoid the raw materials to collapse and spatter to smashing grinding the outside problem of case 1, realize preventing the function that collapses and spatter.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A maintainable meat and bone meal crushing and grinding device with a screening function is characterized by comprising a crushing and grinding box (1), fastening bolts (2), a box cover (3), a material blocking block (4), a crushing roller (5), a crushing motor (6), a control panel (7), box legs (8), a first discharge hole (9), a second discharge hole (10), a wear-resistant rotary grinding block structure (11), a vibration screening material guide plate structure (12) and an anti-collapse feed hopper structure (13), wherein the upper part of the crushing and grinding box (1) is fixedly connected with the box cover (3) through the fastening bolts (2); the left side and the right side of the upper side in the crushing and grinding box (1) are respectively connected with a material blocking block (4) through bolts, the middle inner side of each material blocking block (4) is provided with a semicircular groove, and the inner sides of the semicircular grooves are provided with crushing rollers (5); the crushing rollers (5) are respectively connected to the left side and the right side of the upper side in the crushing and grinding box (1) through bearings; the left side and the right side of the upper side of the front part of the crushing and grinding box (1) are respectively connected with a crushing motor (6) through bolts, and the rear end of an output shaft of the crushing motor (6) respectively penetrates through the left side and the right side of the front upper side in the crushing and grinding box (1); the rear end of an output shaft of the crushing motor (6) is respectively connected with a front end coupling of the crushing roller (5); the middle part of the right part of the crushing and grinding box (1) is connected with a control panel (7) by a bolt on the upper side; four corners of the lower part of the crushing and grinding box (1) are respectively connected with box legs (8) through bolts; a first discharge hole (9) is formed in the middle part of the right lower side inside the crushing and grinding box (1); a second discharge hole (10) is formed in the left lower side inside the crushing and grinding box (1); the abrasion-resistant rotary grinding block structure (11) is connected with the material blocking block (4); the vibrating screening material guide plate structure (12) is connected with the crushing and grinding box (1); the anti-splash feed hopper structure (13) is connected with the box cover (3); the abrasion-resistant rotary grinding block structure (11) comprises a connecting block (111), a conical abrasion-resistant grinding hopper (112), a discharge hopper (113), a mounting plate (114), a grinding motor (115), a truncated cone-shaped abrasion-resistant grinding block (116) and an arc-shaped material guide block (117), wherein the conical abrasion-resistant grinding hopper (112) is connected to an opening at the lower part of the connecting block (111) through a bolt; an opening at the middle part of the lower side of the conical wear-resistant grinding hopper (112) is connected with a discharge hopper (113) through bolts; a mounting plate (114) is connected with the middle lower side of the interior of the discharge hopper (113) through bolts; the middle part of the lower part of the mounting plate (114) is connected with a grinding motor (115) through a bolt; the upper end of an output shaft of the grinding motor (115) penetrates through the middle part inside the mounting plate (114); the upper end of an output shaft of the grinding motor (115) is in threaded connection with an opening at the middle part of the lower part of the circular truncated cone-shaped wear-resistant grinding block (116), and the circular truncated cone-shaped wear-resistant grinding block (116) is positioned at the middle lower part of the inner side of the conical wear-resistant grinding bucket (112); the upper part of the round table-shaped wear-resistant grinding block (116) is connected with an arc-shaped material guide block (117) through a bolt.

2. The serviceable comminuted meat and bone meal crushing and grinding device with screening function as set forth in claim 1, wherein the vibrating screening guide plate structure (12) comprises a first inclined guide plate (121), a return baffle (122), a second inclined guide plate (123), a striker plate (124), a screening hole (125), a spring (126) and a vibrating motor (127), the right side of the upper part of the first inclined guide plate (121) is bolted with the return baffle (122); a discharge outlet is formed in the right lower side inside the square baffle (122); the right part of the first inclined material guide plate (121) is integrally connected with a second inclined material guide plate (123); the front side and the rear side of the upper part of the second inclined material guide plate (123) are respectively connected with a material baffle plate (124) through bolts, and the material baffle plates (124) are respectively positioned on the front side and the rear side of the discharge opening; the screening holes (125) are respectively formed in the middle and the periphery of the interior of the first inclined material guide plate (121), and the screening holes (125) are all positioned on the inner side of the square-back baffle (122); the four corners of the lower part of the first inclined material guide plate (121) are respectively connected with a spring (126) through bolts; the left side of the lower part of the first inclined material guide plate (121) is connected with a vibration motor (127) through a bolt, and the vibration motor (127) is positioned on the inner side between the springs (126) on the left side.

3. The serviceable crushing and grinding device for meat and bone meal with screening function as claimed in claim 1, wherein the anti-splash feed hopper structure (13) comprises a bent guide hopper (131), a limiting block (132), an inverted U-shaped mounting seat (133), an anti-splash baffle (134) and a feed hopper (135), the limiting block (132) is bolted to the lower left part of the inner side of the inclined section of the bent guide hopper (131); the left upper part of the inner side of the inclined section of the bent material guide hopper (131) is connected with an inverted U-shaped mounting seat (133) through a bolt; the middle lower side in the inverted U-shaped mounting seat (133) is in shaft joint with the middle upper side of the anti-splash baffle (134), and the anti-splash baffle (134) is positioned on the right side of the limiting block (132); the lower end of the vertical section of the bent material guide hopper (131) is connected with a feed hopper (135) through a bolt.

4. The apparatus for pulverizing and grinding meat and bone meal with sieving function as claimed in claim 1, wherein the upper left and right sides of the connecting block (111) are respectively connected with the lower part of the material blocking block (4) by bolts.

5. The serviceable meat-and-bone meal crushing and grinding device with a sieving function according to claim 2, wherein the first inclined guide plate (121) is located at a lower middle portion inside the crushing and grinding box (1), and four corner portions of an inner wall of a lower side of the crushing and grinding box (1) are respectively bolted to lower ends of the springs (126).

6. The serviceable meat-and-bone meal crushing and grinding device with sifting function as set forth in claim 2, wherein the second inclined guide plate (123) extends through the first outlet (9) at the right and extends to the right of the crushing and grinding box (1).

7. The apparatus for pulverizing and grinding meat and bone meal with sieving function as claimed in claim 3, wherein the lower part of said hopper (135) is connected with the opening of the upper middle part of the box cover (3) by bolts.