Linear screen capable of adjusting size of screen holes

Abstract

The utility model discloses a linear sieve with adjustable sieve pore size, which belongs to the technical field of linear sieves and comprises a support, a shell is fixedly mounted at the top end of the support, and two sides of the shell are respectively provided with a group of quick fixing mechanisms for fixing an adjustable sieve plate mechanism; an anti-accumulation mechanism is arranged on the inner side of the notch; according to the linear sieve, the relative positions of the movable sieve plate and the fixed sieve plate are adjusted through the movable assembly, so that the sizes of the sieve holes are adjusted, materials of different sizes are sieved under the condition that the sieve plates are not taken out, and the application range of the linear sieve is widened; in the screening process, the anti-accumulation mechanism swings on the fixed screen plate in a reciprocating mode, and the material screening efficiency of the linear screen is improved; the fixed sieve plate and the movable sieve plate are integrally and rapidly fixed in the sliding hole grooves through rapid unlocking and locking of the rapid fixing mechanism, and workers can conveniently and rapidly disassemble, assemble, overhaul and maintain the whole fixed sieve plate and the whole movable sieve plate.

Description

Technical Field

[0001] The utility model relates to the technical field of linear screens, in particular to a linear screen with adjustable screen hole size. Background Art

[0002] In industrial production, metal stearate is widely used as an additive in a variety of polymer products. During the preparation process of metal stearate, metal stearate of different sizes will appear. At this time, a linear sieve is needed to screen them to meet the requirements of different products.

[0003] Chinese patent CN217069609U discloses a linear screen, including a filter box, the outer surface of the filter box is provided with a slide groove, the inner wall of the slide groove is slidably connected to an adjustment rod, the outer surface of the adjustment rod is rotatably connected to a positioning rod, the outer surface of the filter box is fixedly connected to a positioning plate, the inner wall of the filter box is fixedly connected to a fixed plate, the top of the fixed plate is fixedly connected to a cylinder, and the output end of the cylinder is fixedly connected to a telescopic rod. The linear screen hole completes the screening of materials through the cooperation of components, thereby enhancing the filtering efficiency of the overall device. However, the linear screen still has the following problems;

[0004] Metallic stearate is in granular form and small in size. It is easy to accumulate on the screen plate during material screening, resulting in material piling, which affects the efficiency of the linear screen in screening materials. The screen plate is more likely to be damaged during long-term work, and the screen plate needs to be replaced and maintained. However, the process of replacing the screen plate of existing linear screens is generally cumbersome and time-consuming.

[0005] Based on this, the utility model designs a linear screen with adjustable screen hole size to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a linear screen with adjustable screen hole size.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A linear screen with adjustable mesh size, comprising a bracket, with a shell fixedly mounted on the top of the bracket;

[0009] A vibration motor is fixedly installed at the bottom of the shell, a notch is opened on the front of the shell, a sliding groove is opened on the inside of the shell, a discharge chute shell is fixedly connected to the back of the shell, and a group of quick fixing mechanisms for fixing the adjustable sieve plate mechanism are respectively provided on both sides of the shell;

[0010] An anti-stacking mechanism is provided at the bottom of the notch;

[0011] The sliding groove is slidably connected to the adjustable screen plate mechanism;

[0012] The adjustable sieve plate mechanism comprises a fixed sieve plate, a movable sieve plate and a movable assembly. The bottom of the fixed sieve plate is slidably connected to the top of the movable sieve plate through the movable assembly. The fixed sieve plate and the movable sieve plate are slidably connected to the sliding groove, and the fixed sieve plate is locked with the quick fixing mechanism.

[0013] Furthermore, the movable component includes a handle, a screw rod, a bracket and a slide groove; a slide groove for sliding connection with the sliding screen plate is opened in the fixed screen plate, the bracket is slidably connected to the slide groove, the bracket is fixedly connected to the movable screen plate, one end of the screw rod is rotationally connected to the fixed screen plate through a rotation bearing and the screw rod is located at the opening of the slide groove, the other end of the screw rod is fixedly connected to the handle, and the screw rod and the bracket are threadedly connected through a threaded sleeve.

[0014] Furthermore, the quick fixing mechanism includes a fixed switch, a fixed base, a spring, a locking pin, a fixed hole and a sliding hole; the fixed base is fixedly installed on the shell, a sliding hole is opened on the shell, a fixed hole is opened on the fixed screen plate, and the sliding hole is connected with the fixed hole; the locking pin is slidably connected with the fixed hole, the sliding hole and the fixed base; the fixed switch is hinged to the top of the locking pin through a rotating shaft, and is slidably connected with the fixed base; the spring is located in the sliding hole and is sleeved on the outside of the locking pin, and one end of the spring abuts against the fixed base, and the other end of the spring abuts against the locking pin.

[0015] Furthermore, the rear end of the fixed screen plate is provided with an inclined surface for pushing the locking pin.

[0016] Furthermore, the fixed switch hinge axis is close to the bottom end of the fixed switch.

[0017] Furthermore, the anti-accumulation mechanism includes a power assembly, a scraper and a swing arm; the power assembly is installed on the bottom of the slot, the power assembly is rotatably connected to the swing arm, the scraper is fixedly connected to the swing arm, and the swing arm is rotatably connected to the slot.

[0018] Furthermore, the power assembly includes a driving gear, a driven gear, a connecting rod and a motor; the motor is fixedly installed on the top of the shell, the output shaft of the motor is fixedly connected to the driving gear and the driving gear is located on the left side, the driving gear is meshed and connected with the driven gear, the driving gear is rotatably connected to the notch through a bearing, the driven gear is rotatably connected to the notch through a bearing, the driven gear is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the swing arm.

[0019] Furthermore, the connecting rod is rotationally connected to the eccentric portion of the driven gear.

[0020] The utility model has the following technical effects:

[0021] 1. In the utility model, the relative position of the movable screen plate and the fixed screen plate is adjusted by the movable component to adjust the size of the sieve holes formed by the fixed screen plate and the movable screen plate. Without removing the screen plate, materials of different sizes can be screened, thereby improving the application range of this linear screen. During the screening process, the anti-accumulation mechanism is reciprocated on the fixed screen plate so that the material is spread flat on the fixed screen plate to prevent material accumulation, increase the material dropping speed, and improve the efficiency of the linear screen in screening materials. The fixed screen plate and the movable screen plate are quickly fixed in the sliding groove as a whole by quickly unlocking and locking the fast fixing mechanism, which is convenient for workers to quickly disassemble, install, inspect and maintain the fixed screen plate and the movable screen plate as a whole.

[0022] 2. In the utility model, the size of the sieve hole is adjusted to a set range by rotating the handle before starting the vibration motor, and the vibration motor is started to screen materials of different types and sizes, thereby increasing the efficiency of the linear screen in screening materials of various types and sizes and improving the application range of the linear screen.

[0023] 3. In the utility model, by adjusting the fixed switch, the fixed sieve plate and the movable sieve plate can be quickly unlocked and locked as a whole, which is convenient for workers to load, unload, inspect and maintain the fixed sieve plate and the movable sieve plate as a whole more quickly, thereby improving the screening material efficiency of the straight screen.

[0024] 4. In the utility model, the motor is turned on to enable the swing arm to obtain power, and the swing arm rotates to drive the scraper to swing back and forth. The scraper spreads the poured material on the fixed screen plate to prevent material accumulation, speed up the material dropping speed, facilitate the material to pass through the screen hole better, and improve the efficiency of the linear screen in screening materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 The utility model is a three-dimensional linear screen with adjustable screen hole size Figure 1 ;

[0027] Figure 2 It is a front view of a linear screen with adjustable mesh size according to the utility model;

[0028] Figure 3 It is a right view of a linear screen with adjustable mesh size according to the utility model;

[0029] Figure 4The utility model is a three-dimensional shell of a hidden part of a linear screen with adjustable screen hole size Figure 2 ;

[0030] Figure 5 It is a three-dimensional diagram of the quick fixing mechanism of the utility model;

[0031] Figure 6 for Figure 5 Half-section view;

[0032] Figure 7 The utility model is a three-dimensional adjustable screen plate mechanism Figure 1 ;

[0033] Figure 8 The utility model is a three-dimensional adjustable screen plate mechanism Figure 2 .

[0034] The numbers in the figure represent:

[0035] 1. Bracket; 2. Vibrating motor; 3. Shell; 4. Discharge chute shell; 5. Anti-accumulation mechanism; 51. Power assembly; 52. Scraper; 53. Swing arm; 511. Driving gear; 512. Driven gear; 513. Connecting rod; 514. Motor; 6. Notch; 7. Quick fixing mechanism; 71. Fixed switch; 72. Fixed base; 73. Spring; 74. Locking pin; 75. Fixed hole; 76. Sliding hole; 8. Adjustable sieve plate mechanism; 81. Fixed sieve plate; 82. Movable sieve plate; 83. Movable assembly; 831. Handle; 832. Screw rod; 833. Bracket; 834. Slide groove; 9. Slide groove. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] The utility model is further described below in conjunction with embodiments.

[0038] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0039] In some embodiments, please refer to the attached instructions. Figure 1-8 , a sieve plate with adjustable sieve hole size, comprising a bracket 1;

[0040] A housing 3 is fixedly mounted on the top of the bracket 1;

[0041] The bottom of the housing 3 is fixedly mounted with a vibration motor 2, the front of the housing 3 is provided with a notch 6, the inner side of the housing 3 is provided with a sliding groove 9, the back of the housing 3 is fixedly connected with a discharge chute shell 4, and both sides of the housing 3 are provided with a group of quick fixing mechanisms 7 for fixing an adjustable sieve plate mechanism 8;

[0042] The bottom of the notch 6 is provided with an anti-stacking mechanism 5;

[0043] The sliding groove 9 is slidably connected to the adjustable screen plate mechanism 8;

[0044] The adjustable sieve plate mechanism 8 includes a fixed sieve plate 81, a movable sieve plate 82 and a movable component 83. The bottom of the fixed sieve plate 81 and the top of the movable sieve plate 82 are slidably connected via the movable component 83. The fixed sieve plate 81 and the movable sieve plate 82 are slidably connected to the sliding groove 9, and the fixed sieve plate 81 is locked and connected to the quick fixing mechanism 7.

[0045] In the utility model, the vibration motor 2 is started to drive the shell 3 to vibrate on the bracket 1, and the material is screened and sent to the discharge chute shell 4 for discharge. During the material screening process, the anti-stacking mechanism 5 swings back and forth on the fixed sieve plate 81 to spread the material flat on the fixed sieve plate 81, and the fixed sieve plate 81 and the movable sieve plate 82 cooperate to screen the material; in addition, the relative position of the movable sieve plate 82 and the fixed sieve plate 81 is adjusted by the movable component 83 to adjust the size of the sieve hole formed by the fixed sieve plate 81 and the movable sieve plate 82; the fixed sieve plate 81 and the movable sieve plate 82 are quickly unlocked and locked by the quick fixing mechanism 7 to quickly fix the fixed sieve plate 81 and the movable sieve plate 82 as a whole in the sliding groove 9.

[0046] In the utility model, the relative position of the movable screen plate 82 and the fixed screen plate 81 is adjusted by the movable component 83 to adjust the size of the sieve holes formed by the fixed screen plate 81 and the movable screen plate 82, so that materials of different sizes can be screened without removing the screen plate, thereby improving the application range of this linear screen; during the screening process, the anti-accumulation mechanism 5 is reciprocated on the fixed screen plate 81, so that the material is spread flat on the fixed screen plate 81, thereby preventing material accumulation, increasing the material dropping speed, and improving the efficiency of the linear screen in screening materials; the fixed screen plate 81 and the movable screen plate 82 are quickly fixed in the sliding groove 9 as a whole by quickly unlocking and locking the quick fixing mechanism 7, so that the workers can quickly disassemble, install, inspect and maintain the fixed screen plate 81 and the movable screen plate 82 as a whole.

[0047] The movable component 83 includes a handle 831, a screw rod 832, a bracket 833 and a slide groove 834; a slide groove 834 for sliding connection with the movable sieve plate 82 is opened on the inner side of the fixed screen plate 81, the bracket 833 is slidingly connected to the slide groove 834, the bracket 833 is fixedly connected to the movable sieve plate 82, one end of the screw rod 832 is rotationally connected to the fixed sieve plate 81 through a transfer bearing and the screw rod 832 is located at the opening of the slide groove 9, the other end of the screw rod 832 is fixedly connected to the handle 831, and the screw rod 832 is threadedly connected to the bracket 833 through a threaded sleeve.

[0048] In the utility model, the handle 831 is rotated to drive the screw rod 832 to rotate, and the rotation of the screw rod 832 drives the bracket 833 to move linearly in the slide groove 834, and the bracket 833 further drives the movable screen plate 82 to move linearly, so that the relative position of the movable screen plate 82 and the fixed screen plate 81 changes, thereby achieving the effect of adjusting the size of the screen holes.

[0049] In the utility model, before starting the vibration motor 2, the size of the sieve hole is adjusted to the set range by rotating the handle 831, and the vibration motor 2 is started to screen materials of different types and sizes, thereby increasing the efficiency of the linear screen in screening materials of various types and sizes and improving the application range of the linear screen.

[0050] The quick fixing mechanism 7 comprises a fixing switch 71, a fixing base 72, a spring 73, a locking pin 74, a fixing hole 75 and a sliding hole 76; the fixing base 72 is fixedly mounted on the housing 3, a sliding hole 76 is provided on the housing 3, a fixing hole 75 is provided on the fixing screen plate 81, and the sliding hole 76 is communicated with the fixing hole 75; the locking pin 74 is slidably connected with the fixing hole 75, the sliding hole 76 and the fixing base 72; the fixing switch 71 is hinged with the top of the locking pin 74 through a rotating shaft, and is slidably connected with the fixing base 72; the spring 73 is located in the sliding hole 76 and is sleeved on the outside of the locking pin 74, and one end of the spring 73 abuts against the fixing base 72, and the other end of the spring 73 abuts against the locking pin 74;

[0051] The rear end of the fixed screen plate 81 is provided with an inclined surface for pushing the locking pin 74;

[0052] The hinge axis of the fixed switch 71 is close to the bottom end of the fixed switch 71 .

[0053] When the locking pin 74 is in the locked state, the locking pin 74 is in the locked state, and the locking pin 74 is in the locked state.

[0054] In the utility model, by adjusting the fixed switch 71, the fixed sieve plate 81 and the movable sieve plate 82 can be quickly unlocked and locked as a whole, which is convenient for workers to load, unload, inspect and maintain the fixed sieve plate 81 and the movable sieve plate 82 as a whole more quickly, thereby improving the screening efficiency of the straight screen.

[0055] The anti-accumulation mechanism 5 includes a power assembly 51, a scraper 52 and a swing arm 53; the power assembly 51 is installed on the bottom of the slot 6, the power assembly 51 is rotatably connected to the swing arm 53, the scraper 52 is fixedly connected to the swing arm 53, and the swing arm 53 is rotatably connected to the slot 6.

[0056] In the utility model, during the material screening process, the power assembly 51 drives the swing arm 53 to swing back and forth, thereby driving the scraper 52 to swing back and forth, so that the poured material is spread flat on the fixed screen plate 81.

[0057] In the utility model, the poured material is spread on the fixed screen plate 81 through the reciprocating swing of the scraper 52, which prevents the material from piling up, facilitates the material to pass through the screen holes better, speeds up the material dropping speed, and thus improves the efficiency of the linear screen in screening materials.

[0058] The power assembly 51 includes a driving gear 511, a driven gear 512, a connecting rod 513 and a motor 514; the motor 514 is fixedly installed on the top of the shell 3, the output shaft of the motor 514 is fixedly connected to the driving gear 511 and the driving gear 511 is located on the left side, the driving gear 511 is meshed and connected with the driven gear 512, the driving gear 511 is rotatably connected to the notch 6 through a bearing, the driven gear 512 is rotatably connected to the notch 6 through a bearing, one end of the connecting rod 513 is rotatably connected to the eccentric part of the driven gear 512, and the other end of the connecting rod 513 is rotatably connected to the swing arm 53.

[0059] In the utility model, when screening materials, the motor 514 is turned on to drive the driving gear 511 to rotate, thereby driving the driven gear 512 to rotate. The rotation of the driven gear 512 drives the connecting rod 513 to move to provide power for the swing of the swing arm 53. The swing of the swing arm 53 drives the scraper 52 to swing back and forth on the fixed screen plate 81.

[0060] In the utility model, the motor 514 is turned on to enable the swing arm 53 to obtain power, and the swing arm 53 rotates to drive the scraper 52 to swing back and forth. The scraper 52 spreads the poured material on the fixed screen plate 81 to prevent material accumulation, speed up the material dropping speed, facilitate the material to pass through the screen hole better, and improve the efficiency of the linear screen in screening materials.

[0061] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A linear screen with adjustable mesh size, comprising a support (1), characterized in that: A housing (3) is fixedly mounted on the top of the bracket (1); A vibration motor (2) is fixedly mounted on the bottom of the housing (3); a notch (6) is provided on the front of the housing (3); a sliding groove (9) is provided on the inner side of the housing (3); a discharge chute shell (4) is fixedly connected to the back of the housing (3); and a group of quick fixing mechanisms (7) for fixing an adjustable sieve plate mechanism (8) are respectively provided on both sides of the housing (3); An anti-stacking mechanism (5) is provided at the inner bottom of the notch (6); The sliding groove (9) is slidably connected to the adjustable screen plate mechanism (8); The adjustable sieve plate mechanism (8) comprises a fixed sieve plate (81), a movable sieve plate (82) and a movable assembly (83); the bottom of the fixed sieve plate (81) and the top of the movable sieve plate (82) are slidably connected via the movable assembly (83); the fixed sieve plate (81) and the movable sieve plate (82) are slidably connected to the sliding groove (9); and the fixed sieve plate (81) is locked and connected to the quick fixing mechanism (7).

2. The linear screen with adjustable mesh size according to claim 1, characterized in that: The movable assembly (83) comprises a handle (831), a screw rod (832), a bracket (833) and a slide groove (834); a slide groove (834) for slidingly connecting with the movable screen plate (82) is provided in the fixed screen plate (81); the bracket (833) is slidingly connected with the slide groove (834); the bracket (833) is fixedly connected with the movable screen plate (82); one end of the screw rod (832) is rotationally connected with the fixed screen plate (81) via a rotation bearing and the screw rod (832) is located at the opening of the slide groove (9); the other end of the screw rod (832) is fixedly connected with the handle (831); and the screw rod (832) and the bracket (833) are threadedly connected via a threaded sleeve.

3. The linear screen with adjustable mesh size according to claim 2, characterized in that: The quick fixing mechanism (7) comprises a fixed switch (71), a fixed base (72), a spring (73), a locking pin (74), a fixing hole (75) and a sliding hole (76); the fixed base (72) is fixedly mounted on the housing (3), a sliding hole (76) is provided on the housing (3), a fixed hole (75) is provided on the fixed screen plate (81), and the sliding hole (76) is communicated with the fixing hole (75); the locking pin (74) is slidably connected with the fixing hole (75), the sliding hole (76) and the fixed base (72); the fixed switch (71) is hinged to the top of the locking pin (74) through a rotating shaft, and is slidably connected with the fixed base (72); the spring (73) is located in the sliding hole (76) and is sleeved on the outside of the locking pin (74), and one end of the spring (73) abuts against the fixed base (72), and the other end of the spring (73) abuts against the locking pin (74).

4. The linear screen with adjustable mesh size according to claim 3, characterized in that: The rear end of the fixed screen plate (81) is provided with an inclined surface for pushing the locking pin (74).

5. The linear screen with adjustable mesh size according to claim 4, characterized in that: The hinge axis of the fixed switch (71) is close to the bottom end of the fixed switch (71).

6. The linear screen with adjustable mesh size according to claim 5, characterized in that: The anti-accumulation mechanism (5) comprises a power assembly (51), a scraper (52) and a swing arm (53); the power assembly (51) is mounted on the inner bottom of the slot (6), the power assembly (51) is rotatably connected to the swing arm (53), the scraper (52) is fixedly connected to the swing arm (53), and the swing arm (53) is rotatably connected to the slot (6).

7. The linear screen with adjustable mesh size according to claim 6, characterized in that: The power assembly (51) comprises a driving gear (511), a driven gear (512), a connecting rod (513) and a motor (514); the motor (514) is fixedly mounted on the top of the housing (3); the output shaft of the motor (514) is fixedly connected to the driving gear (511) and the driving gear (511) is located on the left side; the driving gear (511) is meshedly connected to the driven gear (512); the driving gear (511) is rotatably connected to the notch (6) via a bearing; the driven gear (512) is rotatably connected to the notch (6) via a bearing; the driven gear (512) is rotatably connected to one end of the connecting rod (513); and the other end of the connecting rod (513) is rotatably connected to the swing arm (53).

8. The linear screen with adjustable mesh size according to claim 7, characterized in that: The connecting rod (513) is rotationally connected to the eccentric portion of the driven gear (512).

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