Linear screen frame pressing structure

Abstract

The utility model discloses a linear screen frame pressing structure, relates to the technical field of vibrating screens, and aims to solve the problems that a screen frame is fixed by a plurality of groups of bolts, the time consumed in the dismounting process is long, and the maintenance is inconvenient. A driving mechanism is arranged on the outer wall of the vibrating screen body and connected with the pressing mechanism. Through cooperation of the pressing beam, the connecting piece and the fixing piece, after the fixing piece penetrates through a hole in the vibrating screen body and is inserted into the locking piece, the worm is rotated to drive the worm wheel to rotate, the rotating worm wheel drives the locking piece to rotate and is matched with the auxiliary groove, and the free end of the fixing piece slides in the cavity and is close to the circle center of the cavity; therefore, the connecting piece and the pressing beam are pulled down, the pressing beam which moves downwards presses the edge beam, and the screen frame is fixed. Compared with a bolt fixing mode in the prior art, the design scheme is convenient, fast, time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibrating screen, especially linear screen mesh frame pressure structure. BACKGROUND

[0002] The screen mesh frame of the existing vibrating screen usually adopts the mode of fixing by multiple groups of bolts to press and fix the screen mesh frame, and the connection mode of the bolts not only requires more bolts, but also when the screen mesh frame needs to be maintained, the multiple fixing bolts consume a long time in the process of dismounting.

[0003] Therefore, the application provides linear screen mesh frame pressure structure to meet the needs. UTILITY MODEL CONTENT

[0004] The application aims to provide linear screen mesh frame pressure structure, and aims to solve the problem that the mode of fixing by multiple groups of bolts adopted by the screen mesh frame consumes a long time in the process of dismounting and is inconvenient to maintain.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: linear screen mesh frame pressure structure, comprising a vibrating screen body, a screen mesh frame is detachably installed on the vibrating screen body, an edge beam is arranged on the inner wall of the vibrating screen body, the edge beam is provided in two groups of symmetrical arrangement, the screen mesh frame is inserted on the top surface of the edge beam, a pressure mechanism is inserted on the top surface of the screen mesh frame, a driving mechanism is arranged on the outer wall of the vibrating screen body, and the driving mechanism is connected with the pressure mechanism.

[0006] The pressure mechanism further comprises a pressure beam, a connecting piece and a fixing piece, the top surface of the pressure beam is provided with an L-shaped connecting piece, the bottom surface of the free end of the connecting piece is provided with a fixing piece, the top surface of the vibrating screen body is provided with a hole through which the fixing piece passes, the fixing piece is a T-shaped piece, and the fixing piece is connected with the driving mechanism.

[0007] Preferably, positioning holes are arranged on the screen mesh frame, positioning columns are arranged on the top surface of the edge beam, and positioning grooves are arranged on the bottom surface of the pressure beam, the positioning grooves correspond to the positioning holes in position, and the positioning columns pass through the positioning holes and are connected with the positioning grooves.

[0008] Preferably, the driving mechanism comprises a worm, a worm wheel and a locking piece, the locking piece is rotationally connected to the outer wall of the vibrating screen body, the fixing piece is detachably connected with the locking piece, the worm wheel is coaxially connected with the locking piece, an L-shaped edge frame is arranged on the outer wall of the vibrating screen body, a support plate is arranged on the edge frame, the worm is rotationally connected to the support plate, the worm is engaged with the worm wheel, and a rotating disc is arranged on the end surface of the worm.

[0009] Preferably, the locking piece comprises a shell, the shell is provided with two groups which are connected by bolts, a circular cavity is arranged on the opposite surface of the shell, an inlet is arranged on the inner wall of the cavity and communicates with the outside, a slide is arranged beside the inlet and communicates with the inlet, the free end of the fixing piece is slidingly connected in the cavity, and the rod part of the fixing piece is slidingly connected in the inlet and the slide.

[0010] Preferably, an auxiliary slot is arranged in the cavity and is eccentric to the center, and the auxiliary slot is used for pressing down the free end of the fixing piece. The auxiliary slot enlarges the area of the cavity at the position of the inlet, and has the effect of a guide slope, so that the fixing piece is close to the center of the circle when the locking piece rotates.

[0011] In conclusion, the technical effects and advantages of the utility model are as follows:

[0012] In the utility model, the compression beam, the connecting piece and the fixing piece are matched, the fixing piece passes through the hole on the vibration screen body, is inserted into the locking piece, the worm is rotated, the worm wheel is rotated, the locking piece is rotated, the auxiliary slot is matched, the free end of the fixing piece is slidingly arranged in the cavity, and the free end is close to the center of the cavity, so that the connecting piece and the compression beam are pulled down, the compression beam is close to the side beam, the screen frame is fixed, and the bolt fixing mode in the prior art is convenient, time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is an explosion structural schematic view of the utility model;

[0016] Figure 3 It is a driving mechanism structural schematic view of the utility model;

[0017] Figure 4 It is a locking piece structural schematic view of the utility model;

[0018] Figure 5 It is a shell structural schematic view of the utility model.

[0019] In the figure: 1, the vibrating screen body; 2, the edge beam; 3, the positioning column; 4, the screen mesh frame; 41, the positioning hole; 5, the pressing beam; 51, the positioning groove; 6, the connecting piece; 7, the fixing piece; 8, the edge frame; 9, the support plate; 10, the worm; 11, the rotating disc; 12, the worm wheel; 13, the locking piece; 14, the shell; 15, the inlet; 16, the cavity; 17, the auxiliary groove; 18, the slide. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment: Reference Figures 1-5 As shown in the linear screen mesh frame pressing structure, the vibrating screen body 1 is in the shape of a Chinese character, the edge beam 2 is arranged on the inner wall of the vibrating screen body 1, the edge beam 2 is provided with two groups, and at least three positioning columns 3 are arranged on each group of edge beams 2, the positioning hole 41 corresponding to the position of the positioning column 3 and matching in size is arranged on the screen mesh frame 4, in order to stabilize the stability of the screen mesh frame 4 during operation, the pressing mechanism is inserted into the top surface of the screen mesh frame 4, and the driving mechanism connected with the pressing mechanism is arranged on the outer wall of the vibrating screen body 1, after the pressing mechanism is placed on the screen mesh frame 4, the driving mechanism is operated to drive the pressing mechanism to move downward, so that the screen mesh frame 4 is pressed to avoid loosening.

[0022] The bottom surface of the pressing beam 5 is provided with the positioning groove 51 matched with the positioning column 3, after the screen mesh frame 4 is installed, the positioning groove 51 is matched with the remaining protruding part of the positioning column 3 to complete the preliminary positioning, and in this process, the connecting piece 6 arranged on the top surface of the pressing beam 5 is connected with the fixing piece 7 arranged on the free end of the connecting piece 6, the T-shaped fixing piece 7 is connected with the driving mechanism, and when the driving mechanism is operated, the fixing piece 7 is pulled to move downward, so that the pressing beam 5 moves downward to press the screen mesh frame 4.

[0023] Driving mechanism: the outer wall of the vibration screen body 1 is provided with L-shaped side frame 8 on both sides, the front and rear ends of the side frame 8 are provided with support plate 9, the front and rear two groups of support plates 9 are connected through the worm 10, and the front end of the worm 10 is provided with a rotating disc 11 for driving the worm 10 to rotate; the locking member 13 is rotatably connected to the outer wall of the vibration screen body 1, the worm wheel 12 is rotatably connected to the inner wall of the side frame 8, the locking member 13 and the worm wheel 12 are coaxially arranged, when the worm 10 drives the worm wheel 12 to rotate, the locking member 13 rotates synchronously, the inlet 15 is arranged on the top surface of the locking member 13, when the pressing mechanism is installed, the free end of the fixing member 7 passes through the inlet 15 and enters the cavity 16, the rotating locking member 13 makes the end and the rod of the fixing member 7 slide in the cavity 16 and the slide 18 respectively, after rotating 90 degrees, the locking of the pressing mechanism is realized; through the cooperation between the above structures, the pressing mechanism is quickly fixed, and the screen rack 4 is pressed and fixed.

[0024] Locking member 13: the shell 14 is provided with two groups, which are fixed through bolts, and the opposite surfaces of the shell 14 are provided with cavities 16, after the two groups are assembled, the fixing member 7 can be locked, and the fixing member 7 is further fixed, the auxiliary groove 17 which is not concentric with the cavity 16 is arranged at the inlet part of the cavity 16 (beside the slide 18), the auxiliary groove 17 is a group of arc surfaces, when the locking member 13 rotates, the fixing member 7 gradually approaches the center of the cavity 16.

[0025] The utility model relates to a working principle: through the positioning hole 41 on the screen rack 4 is aligned with the positioning column 3 on the side beam 2, after the two are assembled, the positioning groove 51 at the bottom of the compression beam 5 is aligned with the end of the positioning column 3, the installation of the compression beam 5 is completed, when the compression beam 5 is installed, through the design of the connecting member 6 and the fixing member 7, the fixing member 7 passes through the hole on the vibration screen body 1, the fixing member 7 passes through the inlet of the locking member 13 and enters the cavity 16, then the staff rotates the rotating disc 11, the worm 10 rotates on the support plate 9 and drives the worm wheel 12 meshing with it to rotate on the side frame 8, the rotating worm wheel 12 drives the locking member 13 coaxial with it to rotate, when the locking member 13 rotates, the rod of the fixing member 7 slides in the slide 18, and through the design of the auxiliary groove 17, the free end of the fixing member 7 approaches the center of the cavity 16, realizes the pull-down compression beam 5, makes the compression beam 5 press down, fixes the screen rack 4.

[0026] When the locking member 13 needs to be maintained, the bolts connecting the two groups of shells 14 are removed, the shells 14 are separated, the internal wear condition is judged, and whether replacement is needed.

[0027] The electromechanical connection of the utility model is a common means adopted by the person skilled in the art, and technical inspiration can be obtained through limited tests, which belongs to the public knowledge.

[0028] Components not described in detail herein are of the prior art.

[0029] It should be noted that the above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A linear screen frame pressing structure, comprising a vibrating screen body (1), a screen frame (4) is detachably installed on the vibrating screen body (1), characterized in that: The inner wall of the vibrating screen body (1) is provided with a side beam (2), the side beam (2) is provided with two groups of symmetrical arrangement, the screen rack (4) is inserted on the top surface of the side beam (2), and the pressing mechanism is inserted on the top surface of the screen rack (4), the outer wall of the vibrating screen body (1) is provided with a driving mechanism, and the driving mechanism is connected with the pressing mechanism; The pressing mechanism further comprises a pressing beam (5), a connecting piece (6) and a fixing piece (7), the top surface of the pressing beam (5) is provided with an L-shaped connecting piece (6), the bottom surface of the free end of the connecting piece (6) is provided with a fixing piece (7), the top surface of the vibrating screen body (1) is provided with a hole for the fixing piece (7) to pass through, the fixing piece (7) is a T-shaped piece, and the fixing piece (7) is connected with the driving mechanism.

2. The linear screen frame pressing structure according to claim 1, characterized in that: The screen rack (4) is provided with a positioning hole (41), the top surface of the side beam (2) is provided with a positioning column (3), and the bottom surface of the pressing beam (5) is provided with a positioning groove (51), the positioning groove (51) corresponds to the positioning hole (41), and the positioning column (3) passes through the positioning hole (41) and is connected with the positioning groove (51).

3. The linear screen frame pressing structure according to claim 1, characterized in that: The driving mechanism comprises a worm (10), a worm wheel (12) and a locking piece (13), the locking piece (13) is rotatably connected to the outer wall of the vibrating screen body (1), the fixing piece (7) is detachably connected with the locking piece (13), the worm wheel (12) is coaxially connected with the locking piece (13), the outer wall of the vibrating screen body (1) is provided with an L-shaped side frame (8), the side frame (8) is provided with a support plate (9), the support plate (9) is rotatably connected with the worm (10), the worm (10) is engaged with the worm wheel (12), and the end surface of the worm (10) is provided with a rotating disc (11).

4. The linear screen frame pressing structure according to claim 3, characterized in that: The locking piece (13) comprises a shell (14), the shell (14) is provided with two groups, which are connected by bolts, the opposite surfaces of the shell (14) are provided with circular cavities (16), the inner wall of the cavity (16) is provided with an inlet (15) connected with the outside, and a slide (18) connected with the inlet (15) is arranged beside the inlet (15), the free end of the fixing piece (7) is slidably connected in the cavity (16), and the rod part of the fixing piece (7) is slidably connected in the inlet (15) and the slide (18).

5. The linear screen frame pressing structure according to claim 4, characterized in that: The cavity (16) is provided with an auxiliary groove (17) offset from the center, which is used for pressing the free end of the fixing piece (7).

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