Screen assembly with novel tension adjusting mode

Abstract

The utility model relates to the technical field of vibrating screens, in particular to a screen mesh assembly with a novel tension adjusting mode, which comprises a screen frame, a tensioning assembly and a plurality of screen strings made of flexible materials. The screen frame comprises a pillow base, and a plurality of penetrating holes which penetrate through the upper surface and the lower surface and correspond to the screen strings one to one are formed in the pillow base in the extending direction of the pillow base. The tensioning assembly comprises a tensioning block, a guiding piece and a pushing piece. The guide piece is arranged on the lower surface, and the tensioning block is slidably arranged on the guide piece; the screen strings penetrate through the corresponding penetrating holes from the upper surface to be connected with the tensioning blocks. The pushing piece is arranged on the tensioning block, abuts against the lower surface and is used for driving the tensioning block to move. The parts, located in the penetrating holes, of the screen strings are perpendicular to the parts, forming the screen cloth, of the screen strings, the tensioning assemblies adjust the tension of the screen cloth in the vertical direction, and at the moment, the weight of materials can be evenly distributed on the screen cloth and is not affected by the resistance of material accumulation in the horizontal direction, and the materials cannot be concentrated in a certain area; and compared with horizontal adjustment, the tension of the adjusted screen is uniform, and subsequent use is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibrating screen, concretely relates to a screen assembly with novel tension adjusting mode. BACKGROUND

[0002] The screen of the string screen is formed by horizontally, vertically or staggered arranging multiple flexible metal wires in the screen frame. Since the screen uses metal wires, the screen has good elasticity and flexibility, and can hit the material to obviously screen the wet and sticky material. The tension of the metal wire of the existing string screen is usually adjusted horizontally, but when the material is accumulated on the screen, the tension of the metal wire of the screen is uneven, thereby affecting the adjusting effect of the horizontal adjustment. SUMMARY

[0003] (I) The problem to be solved by the utility model is that the tension of the metal wire of the existing string screen is adjusted horizontally, and the adjusting effect is easily affected by the material accumulated on the screen.

[0004] (II) TECHNICAL SOLUTION

[0005] In order to solve the above technical problem, the utility model embodiment provides a screen assembly with novel tension adjusting mode, which comprises a screen frame, a tensioning assembly and multiple screen strings of flexible material.

[0006] The screen frame comprises a pillow seat, and the pillow seat has opposite upper and lower surfaces; multiple through holes are formed on the pillow seat along the extension direction of the pillow seat, and the through holes penetrate the upper and lower surfaces and correspond to the screen strings one by one;

[0007] The tensioning assembly comprises a tensioning block, a guide piece and a pushing piece.

[0008] The guide piece is arranged on the lower surface, the tensioning block is arranged on the guide piece and can slide on the guide piece towards or away from the lower surface, the screen string is connected to the tensioning block by penetrating the corresponding through hole on the upper surface, and the pushing piece is arranged on the tensioning block and abuts against the lower surface, and is used to drive the movement of the tensioning block.

[0009] Further, the tensioning assembly further comprises a locking piece.

[0010] The locking piece is arranged on the guide piece and located on the side of the tensioning block away from the lower surface, the locking piece can move along the extension direction of the guide piece, and when the tensioning block moves to the preset position, the locking piece abuts against the side of the tensioning block away from the lower surface to lock the tensioning block.

[0011] Further, the pushing members are provided in plurality, and all the pushing members are provided in interval along the extension direction of the tensioning block.

[0012] Further, the guiding members are provided in one-to-one correspondence with the pushing members, and the guiding members are provided beside the pushing members.

[0013] Further, the guiding members are guiding bolts, the lower surface is provided with first threaded holes corresponding to the guiding bolts, the tensioning block is provided with through holes corresponding to the guiding bolts, one end of the guiding bolt passes through the corresponding through hole and is connected with the corresponding first threaded hole, and the guiding bolt and the through hole can slide relative to each other.

[0014] Further, the locking member is a locking nut corresponding to the guiding bolt.

[0015] Further, the pushing member is a pushing bolt, the tensioning block is provided with a second threaded hole corresponding to the pushing bolt, and the pushing bolt is screwed in the second threaded hole and one end can abut against the lower surface.

[0016] Further, the lower surface is provided with a limiting groove corresponding to the pushing member.

[0017] Further, the screen strings are divided into first screen strings and second screen strings, the tension of the first screen strings is greater than that of the second screen strings, and the first screen strings and the second screen strings are provided in turn and alternately.

[0018] Further, the tensioning block is provided with a fixing hole and a fixing groove penetrating through the tensioning block, the fixing hole is provided in one-to-one correspondence with the first screen string, and the fixing groove is provided in one-to-one correspondence with the second screen string, one end of the first screen string passes through the corresponding fixing hole and is fixed by a lock buckle, and one end of the second screen string passes through the corresponding fixing groove and is fixed by a lock buckle.

[0019] The utility model discloses the beneficial effect:

[0020] The utility model provides a kind of screen assembly with novel tension adjusting mode, comprising: screen frame, tensioning assembly and multiple flexible material screen strings;The screen frame includes pillow seat, the pillow seat has opposite upper surface and lower surface;Multiple perforations are set on the pillow seat along its extension direction, the perforation penetrates the upper surface and the lower surface and is one-to-one corresponding with the screen string;The tensioning assembly includes tensioning block, guide and pusher;The guide is located on the lower surface, the tensioning block is located on the guide, and can slide on the guide towards the direction close to or away from the lower surface;The screen string is connected with the tensioning block by the upper surface passing through corresponding perforation;The pusher is located on the tensioning block and abuts against the lower surface, and is used to drive the tensioning block to move.

[0021] Since the perforation penetrates the upper surface and the lower surface of the pillow seat, that is, the part of the screen string located in the perforation is perpendicular to the part of the screen string constituting the above-mentioned screen;When the tensioning block is moved by the pusher to adjust the tension of the screen string, the tension of the screen is adjusted in the vertical direction, at this time, the weight of the material is evenly distributed on the screen, even if the material is accumulated on the screen, its weight will be distributed along the entire width of the screen, and will not be affected by the resistance of horizontal material accumulation, and will not be concentrated in a small area;Compared with the prior art, the adjusted screen tension is uniform, and does not affect subsequent use. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description, obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0023] Figure 1 The structure diagram of the screen frame provided by the embodiments of the utility model;

[0024] Figure 2 The structure diagram of the screen assembly with novel tension adjusting mode provided by the embodiments of the utility model;

[0025] Figure 3 The structure diagram of the tensioning block provided by the embodiments of the utility model;

[0026] Figure 4 The sectional view of A-A perspective of Figure 2

[0027] Figure 5 The sectional view of B-B perspective of Figure 2

[0028] ​​Icons: 1-Sieve frame; 11-Pillow seat; 111-Perforation; 112-First threaded hole; 2-Sieve string; 31-Tensioning block; 311-Fixing groove; 312-Fixing hole; 313-Through hole; 314-Second threaded hole; 32-Guide component; 33-Push component; 34-Locking component. Detailed Implementation

[0029] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] like Figures 1 to 5 As shown, this utility model embodiment provides a screen assembly with a novel tension adjustment method, including: a screen frame 1, a tensioning component, and multiple flexible screen strings 2; the screen frame 1 includes a pillow seat 11, which has an upper surface and a lower surface; multiple through holes 111 are formed on the pillow seat 11 along its extension direction, the through holes 111 penetrate the upper surface and the lower surface and correspond one-to-one with the screen strings 2; the tensioning component includes a tension block 31, a guide 32, and a pusher 33; the guide 32 is disposed on the lower surface, the tension block 31 is disposed on the guide 32 and can slide on the guide 32 in a direction closer to or away from the lower surface; the screen strings 2 pass through the corresponding through holes 111 from the upper surface and are connected to the tension block 31; the pusher 33 is disposed on the tension block 31 and abuts against the lower surface, and is used to drive the tension block 31 to move.

[0031] The screen assembly with the novel tension adjusting mode provided by the embodiment comprises a screen frame 1, a tensioning assembly and a plurality of screen wires 2. The screen frame 1 is a square frame, and pillow seats 11 of the screen frame 1 are used for mounting the screen wires 2. The screen frame 1 can have two pillow seats 11 or four pillow seats 11, so that all the screen wires 2 can be arranged in the screen frame 1 in a transverse, longitudinal or transverse-longitudinal cross manner to form a screen for screening materials. The screen wire 2 is of a flexible material and is a metal wire, and the screen formed by the screen wire 2 is a flexible screen. In use, the screen wire 2 can vibrate up and down to hit the materials, and the screening effect on wet and sticky materials is better. The pillow seat 11 is provided with a through hole 111, two ends of the through hole 111 respectively penetrating the upper surface and the lower surface of the pillow seat 11, and the number of the through holes 111 is the same as that of the screen wires 2. The lower surface of the pillow seat 11 is provided with the tensioning assembly. In assembly, one end of the screen wire 2 penetrates the corresponding through hole 111 and is connected with the tensioning assembly arranged on the lower surface of the pillow seat 11 to fix the screen wire 2. The tensioning assembly comprises a tensioning block 31, a guide piece 32 and a pushing piece 33. The guide piece 32 is arranged on the lower surface of the pillow seat 11 and is used for supporting the tensioning block 31. The tensioning block 31 is mounted on the guide piece 32 and is used for fixing the screen wire 2. The pillow seat 11 is long strip-shaped, and the tensioning block 31 is also long strip-shaped. The tensioning block 31 can slide on the guide piece 32 to approach or move away from the pillow seat 11, and the movement of the tensioning block 31 on the guide piece 32 is driven by the pushing piece 33. In use, the pushing piece 33 drives the tensioning block 31 to slide on the guide piece 32 towards the pillow seat 11 or away from the pillow seat 11, so as to pull the screen wire 2 with one end fixed on the tensioning block 31, thereby adjusting the tension of the screen wire 2.

[0032] The screen assembly with the novel tension adjusting mode provided by the embodiment, since the through hole 111 penetrates the upper surface and the lower surface of the pillow seat 11, that is, the part of the screen wire 2 located in the through hole 111 is perpendicular to the part of the screen wire 2 constituting the screen. When the pushing piece 33 drives the tensioning block 31 to move to adjust the tension of the screen wire 2, the tension of the screen is adjusted in the vertical direction. At this time, the weight of the materials is evenly distributed on the screen, even if the materials are stacked on the screen, the weight is distributed along the entire width of the screen, and is not affected by the resistance of the horizontal material stacking, and is not concentrated in a small area. Compared with the prior art, the tension of the adjusted screen is uniform, and does not affect the subsequent use.

[0033] Optionally, the above-mentioned content mentions that the screen comprises a plurality of pillow seats 11. In the embodiment, the tensioning assembly can be arranged only on one of the pillow seats 11, and for the pillow seat 11 without the tensioning assembly, the screen wire 2 is directly fixed to the pillow seat 11. Alternatively, the tensioning assembly can be arranged on each of the pillow seats 11, and the specific arrangement can be set according to the actual use. The screen wire is directly fixed to the pillow seat in the pillow seat without the tensioning assembly.

[0034] The screen assembly with the novel tension adjusting mode provided by the embodiment of the utility model has the advantages that the screen assembly is convenient to use, the tension of the screen string can be adjusted conveniently, and the tension of the screen string can be adjusted conveniently and evenly. Figure 2 、 Figure 4 and Figure 5 As shown, the tensioning assembly further comprises a locking piece 34; the locking piece 34 is arranged on the guide piece 32 and located on the side of the tensioning block 31 away from the lower surface, and the locking piece 34 can move along the extension direction of the guide piece 32; when the tensioning block 31 moves to the preset position, the locking piece 34 abuts against the side of the tensioning block 31 away from the lower surface to lock the tensioning block 31.

[0035] In the embodiment, the tensioning assembly further comprises the locking piece 34, and the locking piece 34 is used to fix the tensioning block 31 on the guide piece 32 to ensure the stability of the tensioning block 31; when it is needed to adjust the tension of the screen string 2, the locking piece 34 is first loosened, so that the tensioning block 31 can slide on the guide piece 32 under the action of the pushing piece 33; after the tensioning block 31 is adjusted to the preset position, the locking piece 34 abuts against the side of the tensioning block 31 away from the lower surface of the pillow block 11, so as to fix the tensioning block 31 and ensure the stability of the tensioning block 31.

[0036] The screen assembly with the novel tension adjusting mode provided by the embodiment of the utility model has the advantages that the screen assembly is convenient to use, the tension of the screen string can be adjusted conveniently, and the tension of the screen string can be adjusted conveniently and evenly. Figure 2 、 Figure 4 and Figure 5 As shown, a plurality of pushing pieces 33 are arranged, and all the pushing pieces 33 are arranged in the extension direction of the tensioning block 31.

[0037] Preferably, in the embodiment, the above-mentioned tensioning assembly comprises a plurality of pushing pieces 33, and all the pushing pieces 33 are arranged in the extension direction of the tensioning block 31; the tensioning assembly can realize multi-point adjustment and more uniform tension distribution by arranging a plurality of pushing pieces 33.

[0038] Further, the screen assembly with the novel tension adjusting mode provided by the embodiment of the utility model has the advantages that the screen assembly is convenient to use, the tension of the screen string can be adjusted conveniently, and the tension of the screen string can be adjusted conveniently and evenly. Figure 2 、 Figure 4 and Figure 5 As shown, in order to ensure the stability of the tensioning block 31 during movement, the guide piece 32 and the pushing piece 33 are arranged in one-to-one correspondence, and the guide piece 32 is arranged beside the pushing piece 33.

[0039] The screen assembly with the novel tension adjusting mode provided by the embodiment of the utility model has the advantages that the screen assembly is convenient to use, the tension of the screen string can be adjusted conveniently, and the tension of the screen string can be adjusted conveniently and evenly. Figure 2 、 Figure 4 and Figure 5 As shown, the guide piece 32 is a guide bolt; the lower surface is provided with a first threaded hole 112 corresponding to the guide bolt, and the tensioning block 31 is provided with a through hole 313 corresponding to the guide bolt; one end of the guide bolt passes through the corresponding through hole 313 and is connected with the corresponding first threaded hole 112, and the guide bolt and the through hole 313 can slide relative to each other.

[0040] Preferably, the guiding member 32 is a guiding bolt, which is simple in structure and convenient to connect with the pillow base 11. A first threaded hole 112 is formed on the lower surface of the pillow base 11 for mounting the guiding bolt; as mentioned above, a plurality of guiding bolts are arranged, and correspondingly, the first threaded holes 112 are arranged one by one in correspondence with the guiding bolts, and one end of the guiding bolt is screwed into the corresponding first threaded hole 112; the tensioning block 31 is provided with a through hole 313 corresponding to the guiding bolt, and the tensioning block 31 is mounted on the guiding bolt by cooperating with the corresponding guiding bolt through the through hole 313, and can slide on the guiding bolt along the extension direction of the guiding bolt.

[0041] It can be understood that in the embodiment, the guiding member 32 can also be a guiding slide rod or the like, which can also achieve the purpose of supporting the tensioning block 31 and enabling the tensioning block 31 to slide towards or away from the pillow base 11.

[0042] The screen assembly with the novel tension adjustment mode provided by the embodiment of the utility model has the advantages that Figure 2 、 Figure 4 and Figure 5 the locking member 34 is a locking nut corresponding to the guiding bolt.

[0043] As mentioned above, the guiding member 32 is preferably a guiding bolt, and correspondingly, in the embodiment, the locking member 34 is a guiding nut corresponding to the guiding bolt, and the guiding nut is screwed on the guiding bolt, and the tensioning block 31 can be locked or loosened by screwing the guiding nut.

[0044] Optionally, in the embodiment, the locking member 34 can also be a hoop or the like, which can also achieve the purpose of locking or loosening the tensioning block 31.

[0045] The screen assembly with the novel tension adjustment mode provided by the embodiment of the utility model has the advantages that Figure 2 、 Figure 4 and Figure 5 the pushing member 33 is a pushing bolt; the tensioning block 31 is provided with a second threaded hole 314 corresponding to the pushing bolt; the pushing bolt is screwed into the second threaded hole 314, and one end can abut against the lower surface.

[0046] Preferably, the pushing member 33 is a pushing bolt. The tensioning block 31 is provided with a second threaded hole 314 corresponding to the pushing bolt, the pushing bolt is screwed into the second threaded hole 314, and the end portion can extend out of the second threaded hole 314 and abut against the lower surface of the pillow base 11. By screwing the pushing bolt, the pushing bolt moves in the axial direction of the second threaded hole 314, and then pushes the tensioning block 31 to move.

[0047] It can be understood that in the embodiment, the guide 32 can also be a differential head structure, which can also achieve the purpose of driving the tensioning block 31 to move in the embodiment.

[0048] The screen assembly with the novel tension adjustment mode provided by the embodiment of the utility model has the advantages that Figure 2 , Figure 4 and Figure 5 as shown, the lower surface is provided with a limiting groove corresponding to the pushing piece 33.

[0049] In the embodiment, one end of the pushing piece 33 abuts against the lower surface of the pillow seat 11, in order to avoid the end of the pushing piece 33 from slipping, the lower surface is provided with a limiting groove corresponding to the pushing piece 33, and the end of the pushing piece 33 abuts against the limiting groove.

[0050] The screen assembly with the novel tension adjustment mode provided by the embodiment of the utility model has the advantages that Figure 2 , Figure 4 and Figure 5 Figure 2 Figure 4 Figure 5 Figure 2 Figure 4 Figure 5 as shown, the screen string 2 is divided into first screen strings and second screen strings, the tension of the first screen strings is greater than that of the second screen strings, and the first screen strings and the second screen strings are alternately arranged in sequence; the tensioning block 31 is provided with a fixing hole 312 and a fixing groove 311 penetrating the tensioning block 31, the fixing hole 312 is arranged in one-to-one correspondence with the first screen strings, and the fixing groove 311 is arranged in one-to-one correspondence with the second screen strings; one end of the first screen string penetrates through the corresponding fixing hole 312 and is fixed by a lock buckle, and one end of the second screen string penetrates through the corresponding fixing groove 311 and is fixed by the lock buckle.

[0051] In the embodiment, all the screen strings 2 are divided into first screen strings and second screen strings, the tension of the first screen strings is greater than that of the second screen strings, so that different amplitudes can be formed on the screen, and the screening effect is further improved. In order to install the first screen strings and the second screen strings, the fixing hole 312 and the fixing groove 311 penetrating the tensioning block 31 are arranged on the tensioning block 31, and the axes of the fixing hole 312 and the fixing groove 311 are staggered front and back; correspondingly, the through holes 111 on the pillow seat 11 are also staggered front and back in sequence. The fixing hole 312 corresponds to the first screen string in one-to-one correspondence, and the fixing groove 311 corresponds to the second screen string in one-to-one correspondence; the end of the first screen string penetrates through the corresponding through hole 313 and the corresponding fixing hole 312 in sequence and is connected with the lock buckle, and the end of the second screen string penetrates through the corresponding through hole 313 and the corresponding fixing groove 311 in sequence and is connected with the lock buckle. The tension of the screen string 2 can be distinguished by the diameter and material of the screen string 2.

[0052] In the description of the utility model, it is necessary to explain, the direction or position relation that the term "upper", "lower" and the like indicate is based on the direction or position relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0053] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "communication", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be direct communication, also can be indirectly communicated through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances. In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more than two.

[0054] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A screen assembly with a novel tension adjustment method, characterized in that, include: Screen frame (1), tensioning assembly and multiple flexible screen strings (2); The sieve frame (1) includes a pillow seat (11), which has an upper surface and a lower surface. The pillow seat (11) has a plurality of perforations (111) along its extension direction. The perforations (111) penetrate the upper surface and the lower surface and correspond one-to-one with the sieve string (2). The tensioning assembly includes a tensioning block (31), a guide (32), and a pusher (33); The guide member (32) is disposed on the lower surface, and the tensioning block (31) is disposed on the guide member (32) and can slide on the guide member (32) in a direction closer to or away from the lower surface; the screen string (2) passes through the upper surface through the corresponding perforation (111) and is connected to the tensioning block (31); the pusher (33) is disposed on the tensioning block (31) and abuts against the lower surface, and is used to drive the tensioning block (31) to move.

2. The screen assembly with a novel tension adjustment method according to claim 1, characterized in that, The tensioning assembly also includes a locking element (34); The locking member (34) is disposed on the guide member (32) and located on the side of the tension block (31) away from the lower surface. The locking member (34) can move along the extension direction of the guide member (32). When the tension block (31) moves to a preset position, the locking member (34) abuts against the side of the tension block (31) away from the lower surface to lock the tension block (31).

3. The screen assembly with a novel tension adjustment method according to claim 2, characterized in that, Multiple pushers (33) are provided, and all pushers (33) are spaced apart along the extension direction of the tensioning block (31).

4. The screen assembly with a novel tension adjustment method according to claim 3, characterized in that, The guide (32) and the pusher (33) are provided in a one-to-one correspondence, and the guide (32) is located on the side of the pusher (33).

5. The screen assembly with a novel tension adjustment method according to claim 2, characterized in that, The guide member (32) is a guide bolt; the lower surface is provided with a first threaded hole (112) corresponding to the guide bolt, and the tensioning block (31) is provided with a through hole (313) corresponding to the guide bolt; one end of the guide bolt passes through the corresponding through hole (313) and is connected to the corresponding first threaded hole (112), and the guide bolt and the through hole (313) can slide relative to each other.

6. The screen assembly with a novel tension adjustment method according to claim 5, characterized in that, The locking element (34) is a locking nut corresponding to the guide bolt.

7. The screen assembly with a novel tension adjustment method according to claim 1, characterized in that, The pusher (33) is a pusher bolt; the tensioning block (31) is provided with a second threaded hole (314) corresponding to the pusher bolt; the pusher bolt is screwed into the second threaded hole (314), and one end can abut against the lower surface.

8. The screen assembly with a novel tension adjustment method according to claim 1, characterized in that, The lower surface is provided with a limiting groove corresponding to the pusher (33).

9. The screen assembly with a novel tension adjustment method according to claim 1, characterized in that, The sieve string (2) is divided into a first sieve string and a second sieve string. The tension of the first sieve string is greater than that of the second sieve string. The first sieve string and the second sieve string are alternately arranged in sequence.

10. The screen assembly with a novel tension adjustment method according to claim 9, characterized in that, The tensioning block (31) is provided with a fixing hole (312) and a fixing groove (311) that pass through the tensioning block (31). The fixing hole (312) is provided one-to-one with the first sieve string, and the fixing groove (311) is provided one-to-one with the second sieve string. One end of the first sieve string passes through the corresponding fixing hole (312) and is fixed by a buckle, and one end of the second sieve string passes through the corresponding fixing groove (311) and is fixed by a buckle.

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