Pressing screen frame of hammer mill

Abstract

The utility model discloses a hammer mill pressure screen frame, and relates to the technical field of grain by-product crushing processing equipment, the hammer mill pressure screen frame comprises a pressure plate and pressure frames hinged on two sides of the pressure plate, the pressure frames comprise an upper screen frame, a lower screen frame, a lower rotating shaft and an upper rotating shaft, the lower end of the lower screen frame is hinged with the pressure plate through the lower rotating shaft, and the lower end of the lower screen frame is hinged with the pressure plate through the upper rotating shaft. The lower end of the upper screen frame is hinged to the upper end of the lower screen frame through an upper rotating shaft, a connecting base is arranged on the outer side of an upper end panel of the upper screen frame, the upper screen frame is hinged to a hasp lock through the connecting base and a bolt shaft, and the hasp lock is locked on the screen frame. Each of the upper screen frame and the lower screen frame comprises a vertical support, an outer transverse support and an inner transverse support. Due to the fact that the pressing frame of the frame type structure is arranged, the pressing frame is of a grid structure formed by the vertical supports, the outer transverse supports and the inner transverse supports in the transverse-longitudinal crossing mode, and then the pressing frame is locked through the hasp locks distributed on the two sides and in the middle, supporting and pressing fit of the screen pieces are stable, and it is effectively guaranteed that the screen pieces are not prone to deformation after being used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain by-product crushing processing equipment technical field, concretely is a hammer mill screen frame. BACKGROUND

[0002] The hammer mill is a kind of grain by-product processing equipment, and the screen frame is a component part of the hammer mill, and the screen frame in the prior art is installed in the crusher for pressing and holding the screen piece.

[0003] The traditional screen frame structure is relatively simple, not enough stable as a whole, and the contact with the screen piece is not flat enough when pressing, so the protection effect on the screen piece is poor, and in the long-term use of equipment, the screen piece and the screen frame cannot be guaranteed not to be deformed, therefore, the utility model provides a hammer mill screen frame. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hammer mill screen frame, solve the traditional screen frame structure simple, not enough stable as a whole, and the contact with the screen piece is not flat enough when pressing, so the protection effect on the screen piece is poor, and in the long-term use of equipment, the screen piece and the screen frame cannot be guaranteed not to be deformed.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hammer mill screen frame, including the pressing plate and the hinge in the both sides of pressing plate's pressure frame, the pressure frame includes upper screen frame, lower screen frame, lower pivot and upper pivot, the lower screen frame lower end is hinged with the pressing plate through lower pivot, the upper screen frame lower end is hinged with the lower screen frame upper end through upper pivot, the upper screen frame upper end panel outside is provided with the connecting seat, the upper screen frame is hinged with the snap lock through connecting seat and bolt shaft, the snap lock is locked on the screen frame, the snap lock is locked at the both sides and the middle position of pressure frame, the lower end of screen frame is clamped by pressing plate and pressure frame, the upper screen frame and lower screen frame are all frame structure, and the upper screen frame and lower screen frame are distributed along the outside of screen piece;

[0006] The upper screen frame and lower screen frame all include vertical support, outer cross support and inner cross support, the vertical support along the outside of screen piece is bent and adhered when the pressure frame presses the screen piece, the vertical support is arranged along horizontal direction spacing and is connected into a whole by outer cross support and inner cross support, the outer cross support is fixed on the outside of vertical support, the inner cross support is fixed on the inside of vertical support, the vertical support, outer cross support and inner cross support crosswise constitute grid structure, and the inner cross support adheres the outside of screen piece when the pressure frame presses the screen piece.

[0007] Preferably, the vertical support is a curved profile rod bent along the curved profile surface of the outside of the screen piece, and the outer cross support and the inner cross support are straight linear circular rods.

[0008] Preferably, the outer cross support and the inner cross support are staggered along the length direction of the vertical support.

[0009] Preferably, the snap lock comprises a pull rod, a snap bracket, a nut, a spring and a limiting support, the snap bracket is hinged to the connecting seat through a bolt shaft, the limiting support is fixed on the snap bracket, the nut is threadedly connected on the pull rod, the spring is sleeved on the pull rod and is limited between the nut and the limiting support, the pull rod is T-shaped, and the T-shaped head of the pull rod passes through the limiting support and can be locked with the snap fastener arranged on the screen frame.

[0010] Preferably, the pressing plate comprises a bottom base plate, a sealing plate, an outer sleeve plate, a rubber pad plate and fixing bolts, the bottom base plate is inserted at the bottom of the outer sleeve plate, the sealing plate is inserted between the outer sleeve plate and the bottom base plate, the bottom base plate and the sealing plate are fixed by the fixing bolts installed on the both sides of the outer sleeve plate, the both ends of the outer sleeve plate are provided with hinged seats hinged to the pressing frame, the both sides of the top of the outer sleeve plate are provided with flashings, the rubber pad plate is fixed on the lower surface of the flashing, and the pressing plate clamps the screen frame through the flashings and the pressing frame.

[0011] The utility model has the advantages of the following:

[0012] The pressing frame with the frame structure has high structural strength, the vertical support, the outer cross support and the inner cross support are transversely and longitudinally crossed to form a grid structure, the reasonable arrangement of the screen holes of the screen piece is ensured, the output of the pulverizer is effectively ensured, the two sides and the middle of the distribution are locked by the snap locks, the screen piece is stably supported and pressed, and the screen piece is not easily deformed during long-term use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view of the utility model;

[0014] Figure 2 is a perspective view of the utility model;

[0015] Figure 3 is a schematic view of the snap lock structure of the utility model;

[0016] Figure 4 is an installation schematic view of the pressing plate of the utility model;

[0017] Figure 5 is an expanded view of the pressing plate of the utility model.

[0018] In the diagram: 1. Pressure plate; 11. Bottom plate; 12. Sealing plate; 13. Outer plate; 131. Hinge seat; 132. Flanged edge; 14. Rubber pad; 15. Fixing bolt; 2. Pressure frame; 21. Upper screen frame; 211. Connecting seat; 212. Bolt shaft; 22. Lower screen frame; 2121. Vertical support; 2122. Outer horizontal support; 2123. Inner horizontal support; 23. Lower rotating shaft; 24. Upper rotating shaft; 3. Hook and loop lock; 31. Pull rod; 32. Hook and loop frame; 33. Nut; 34. Spring; 35. Limiting bracket; 41. Screen frame; 411. Hook and loop; 42. Screen plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1-5 As shown, this utility model provides a technical solution: a hammer mill screen frame, including a pressure plate 1 and a screen frame 2 hinged to both sides of the pressure plate 1. The screen frame 2 includes an upper screen frame 21, a lower screen frame 22, a lower rotating shaft 23 and an upper rotating shaft 24. The lower end of the lower screen frame 22 is hinged to the pressure plate 1 through the lower rotating shaft 23. The lower end of the upper screen frame 21 is hinged to the upper end of the lower screen frame 22 through the upper rotating shaft 24. A connecting seat 211 is provided on the outer side of the upper panel of the upper screen frame 21. The upper screen frame 21 is hinged to the latch lock 3 through the connecting seat 211 and the bolt shaft 212. The latch lock 3 is locked on the screen frame 41. The latch lock 3 is located on both sides and in the middle of the screen frame 2 for locking. The lower end of the screen frame 41 is clamped by the pressure plate 1 and the screen frame 2. Both the upper screen frame 21 and the lower screen frame 22 are frame structures. The upper screen frame 21 and the lower screen frame 22 are distributed along the outer side of the screen plate 42.

[0021] The upper screen frame 21 and the lower screen frame 22 each comprise vertical supports 2121, outer horizontal supports 2122 and inner horizontal supports 2123, the vertical supports 2121 are curved and fitted along the outer side of the screen sheet 42 when the pressing frame 2 is pressed against the screen sheet 42, the vertical supports 2121 are arranged at a horizontal distance and connected into a whole by the outer horizontal supports 2122 and the inner horizontal supports 2123, the outer horizontal supports 2122 are fixed on the outer side of the vertical supports 2121, the inner horizontal supports 2123 are fixed on the inner side of the vertical supports 2121, the vertical supports 2121, the outer horizontal supports 2122 and the inner horizontal supports 2123 are arranged in a grid structure, the vertical supports 2121 are curved profile rods curved along the outer side of the screen sheet 42, the outer horizontal supports 2122 and the inner horizontal supports 2123 are straight linear rods, the outer horizontal supports 2122 and the inner horizontal supports 2123 are arranged staggered along the length direction of the vertical supports 2121, and the inner horizontal supports 2123 are fitted against the outer side of the screen sheet 42 when the pressing frame 2 is pressed against the screen sheet 42.

[0022] The buckle lock 3 comprises a pull rod 31, a buckle frame 32, a nut 33, a spring 34 and a limiting support 35, the buckle frame 32 is hinged to the connecting seat 211 through the bolt shaft 212, the limiting support 35 is fixed on the buckle frame 32, the nut 33 is threadedly connected to the pull rod 31, the spring 34 is sleeved on the pull rod 31 and limited between the nut 33 and the limiting support 35, the pull rod 31 is T-shaped, and the T-shaped head of the pull rod 31 passes through the limiting support 35 and can be clamped and locked with the buckle 411 arranged on the screen frame 41.

[0023] The pressing plate 1 comprises a bottom base plate 11, a sealing plate 12, an outer sleeve plate 13, a rubber pad plate 14 and fixing bolts 15, the bottom base plate 11 is inserted at the bottom of the outer sleeve plate 13, the sealing plate 12 is inserted between the outer sleeve plate 13 and the bottom base plate 11, the bottom base plate 11 and the sealing plate 12 are fixed by the fixing bolts 15 installed on both sides of the outer sleeve plate 13, the edges of both ends of the outer sleeve plate 13 are provided with hinged seats 131 hinged to the pressing frame 2, both sides of the top of the outer sleeve plate 13 are provided with flashings 132, the rubber pad plate 14 is fixed on the lower surface of the flashings 132, and the pressing plate 1 clamps the screen frame 41 by the flashings 132 on which the rubber pad plate 14 is installed and the pressing frame 2.

[0024] It should be noted that in this document, such terms as "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or apparatus.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hammer mill screen cage characterized by: The utility model provides a screen frame structure, including the pressing plate (1) and the hinge in the both sides of pressing plate (1) of pressing frame (2), the pressing frame (2) includes upper sieve frame (21), lower sieve frame (22), lower rotating shaft (23) and upper rotating shaft (24), lower sieve frame (22) lower end is hinged with pressing plate (1) through lower rotating shaft (23), upper sieve frame (21) lower end is hinged with lower sieve frame (22) upper end through upper rotating shaft (24), upper sieve frame (21) upper end panel outside is provided with connecting seat (211), upper sieve frame (21) is hinged with hasp lock (3) through connecting seat (211) and bolt shaft (212), hasp lock (3) is locked on sieve frame (41), hasp lock (3) is set at the both sides and the middle position of pressing frame (2) and locks, the lower end of sieve frame (41) is clamped by pressing plate (1) and pressing frame (2), upper sieve frame (21) and lower sieve frame (22) are all frame type structure, upper sieve frame (21) and lower sieve frame (22) are along the distribution of sieve piece (42) outside face; Upper sieve frame (21) and lower sieve frame (22) all include vertical support (2121), outer cross support (2122) and inner cross support (2123), when the vertical support (2121) of pressing frame (2) is pressed tightly sieve piece (42) and is bent and is attached along sieve piece (42) outside face, the vertical support (2121) is along the horizontal direction spacing and is connected into a whole by outer cross support (2122) and inner cross support (2123), the outer cross support (2122) is fixed at the outside of vertical support (2121), the inner cross support (2123) is fixed at the inside of vertical support (2121), the vertical support (2121), outer cross support (2122) and inner cross support (2123) cross to form grid structure, when the inner cross support (2123) of pressing frame (2) is pressed tightly sieve piece (42) and is attached sieve piece (42) outside face.

2. A hammer mill press deck according to claim 1, characterised in that: The vertical support (2121) is curved along the curved surface of the outside of the sieve piece (42), and the outer cross support (2122) and the inner cross support (2123) are straight linear round rods.

3. A hammer mill screen cage according to claim 1, wherein: The outer cross support (2122) and the inner cross support (2123) are staggered along the length direction of the vertical support (2121).

4. A hammer mill screen cage according to claim 1, wherein: The hasp lock (3) includes a pull rod (31), a hasp frame (32), a nut (33), a spring (34), and a limiting bracket (35). The hasp frame (32) is hinged to the connecting seat (211) through the bolt shaft (212). The limiting bracket (35) is fixed to the hasp frame (32). The nut (33) is threadedly connected to the pull rod (31). The spring (34) is sleeved on the pull rod (31), and the spring (34) is limited between the nut (33) and the limiting bracket (35). The pull rod (31) is T-shaped. The T-shaped head of the pull rod (31) passes through the limiting bracket (35) and can be clamped and locked with the hasp (411) arranged on the sieve frame (41).

5. A hammer mill screen cage according to claim 1, wherein: The pressing plate (1) comprises a bottom base plate (11), a sealing plate (12), an outer sleeve plate (13), a rubber pad plate (14) and fixing bolts (15), the bottom base plate (11) is inserted at the bottom of the outer sleeve plate (13), the sealing plate (12) is inserted between the outer sleeve plate (13) and the bottom base plate (11), the bottom base plate (11) and the sealing plate (12) are fixed by the fixing bolts (15) installed on both sides of the outer sleeve plate (13), the edge side of both ends of the outer sleeve plate (13) is provided with a hinged seat (131) hinged with a pressing frame (2), both sides of the top of the outer sleeve plate (13) are provided with a flash (132), the rubber pad plate (14) is fixed on the lower surface of the flash (132), and the pressing plate (1) is clamped on the screen frame (41) through the flash (132) and the pressing frame (2).

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