CN212791816U - Vibration type standard vibrating screen machine with good clamping effect - Google Patents

Abstract

The application relates to the field of screening devices, in particular to a shock type standard vibrating screen machine with a good clamping effect, which comprises a vibrating mechanism and a clamping mechanism, wherein the clamping mechanism comprises a bottom plate connected to the vibrating mechanism, a guide rod is vertically arranged on the bottom plate, and the lower end of the guide rod is connected to the bottom plate; the guide rod is connected with a gland in a sliding manner, the gland comprises a cover plate and a connecting block connected to the cover plate, and one end, far away from the cover plate, of the connecting block is connected to the guide rod in a sliding manner; an extension spring is arranged at one end of the connecting block, which is connected with the guide rod, and one end of the extension spring, which is far away from the gland, is connected with a sliding rod; the guide rod is provided with a sliding groove in the length direction, the sliding rod penetrates through the sliding groove in a sliding mode, the sliding rod penetrates through the sliding groove and is connected with a clamping block, and the clamping block can abut against the outer wall of the guide rod. This application has the effect of the tight cover sieve of clamp that makes clamping mechanism can stabilize among the vibrations process.

Description

Vibration type standard vibrating screen machine with good clamping effect

Technical Field

The application relates to the field of screening plant, especially relate to a press from both sides effectual jarring formula standard sieving machine.

Background

The shocking type standard sieving machine is a device for sieving and analyzing materials such as coal samples in experimental tests, and is commonly used in the fields of geology, chemical industry and the like.

A jarring standard shaker generally includes a frame, a vibrating mechanism, a clamping mechanism, and a jacket screen. The vibration mechanism is arranged on the base, the motor is further arranged on the base, and the motor can enable the vibration mechanism to vibrate on the base. The clamping device is arranged on the vibrating mechanism and used for fixing the sleeve screen. The cover sieve includes the sieve utensil of a plurality of sieve mesh size differences, can place on clamping mechanism after a plurality of sieve utensils stack.

When the sample is screened, the screen tools are sequentially stacked according to the sequence of the screen holes from large to small, and then the sleeve screen is placed on the clamping mechanism and fixed. At the moment, the motor is started, drives the vibration mechanism to vibrate, drives the clamping mechanism to vibrate, and then drives the sleeve screen to vibrate, so that the sample passes through the layer of screening tools, and the purpose of screening the sample is achieved.

The common shock type standard vibrating screen machine comprises a bottom plate connected to a vibrating mechanism, a guide rod is arranged on the bottom plate, a gland is connected to the guide rod in a sliding mode, and a space used for placing a sleeve screen is formed between the gland and the bottom plate. The gland is also provided with a screw handle which can enable the gland and the bottom plate to clamp the sleeve screen. When the sample is screened, the sleeve screen is placed between the pressing cover and the bottom plate, and then the screw handle is rotated, so that the pressing cover and the bottom plate clamp the sleeve screen, and the purpose of fixing the sleeve screen is achieved.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: clamping mechanism is at vibrations in-process, gland and oversleeve also shake thereupon, and the screw rod on the gland takes place to become flexible very easily when shaking, leads to the gland not fine clamping oversleeve for the oversleeve drops easily, thereby influences the normal clear of screening work, gives people and brings certain inconvenience.

SUMMERY OF THE UTILITY MODEL

In order to make the tight nested sieve of clamp that clamping mechanism can stabilize among the vibrations process, this application provides a tight effectual jar formula standard sieving machine of pressing from both sides.

The application provides a pair of tight effectual jarring formula standard sieving machine of clamp adopts following technical scheme:

a shock type standard sieving machine with good clamping effect comprises a vibration mechanism and a clamping mechanism, wherein the clamping mechanism comprises a bottom plate connected to the vibration mechanism, a guide rod is vertically arranged on the bottom plate, and the lower end of the guide rod is connected to the bottom plate; the guide rod is connected with a gland in a sliding manner, the gland comprises a cover plate and a connecting block connected to the cover plate, and one end, far away from the cover plate, of the connecting block is connected to the guide rod in a sliding manner; an extension spring is arranged at one end of the connecting block, which is connected with the guide rod, and one end of the extension spring, which is far away from the gland, is connected with a sliding rod; the guide rod is provided with a sliding groove in the length direction, the sliding rod penetrates through the sliding groove in a sliding mode, the sliding rod penetrates through the sliding groove and is connected with a clamping block, and the clamping block can abut against the outer wall of the guide rod.

Through adopting above-mentioned technical scheme, through setting up extension spring, slide bar and fixture block, the slide bar can slide in the sliding tray, after the slide bar slides, under extension spring's tensile force effect, the slide bar receives toward the external force that is close to the connecting block direction, make the slide bar have toward being close to the gliding trend of connecting block direction, it also has toward the gliding trend of equidirectional to drive the fixture block, thereby make fixture block butt in the guide bar outer wall, realize the fixed of gland on the guide bar, put back between bottom plate and apron when the cover sieve, just also can realize the clamping action of gland to the cover sieve. The clamping mode avoids the situation that the gland cannot clamp the sleeve screen well due to the fact that the screw rod is loosened in the vibration process, so that the clamping mechanism can clamp the sleeve screen stably, the clamping effect is better, and convenience is brought to people.

Preferably, the sliding rod is sleeved with a fastening spring, the fastening spring penetrates through the sliding groove, and two ends of the fastening spring are respectively connected to the sliding rod and the connecting block.

Through adopting above-mentioned technical scheme, fastening spring is connected slide bar and connecting block, strengthens the external force that is close to the connecting block direction that the slide bar received for the fixture block can be more firm support tight guide bar, has the effect that improves the tight effect of clamp.

Preferably, the guide rod is a round rod, and the clamping block is abutted to one surface of the guide rod and is an arc surface matched with the guide rod.

Through adopting above-mentioned technical scheme, being provided with of cambered surface does benefit to the area of contact between increase fixture block and the guide bar to increase the frictional force between fixture block and the guide bar, thereby make the connection of fixture block on the guide bar more stable, further improve and press from both sides tight effect.

Preferably, a plurality of clamping grooves matched with the clamping blocks are formed in the length direction of the guide rod, the clamping grooves are communicated with the sliding grooves, and the clamping blocks can be clamped in the clamping grooves.

Through adopting above-mentioned technical scheme, through setting up the draw-in groove, when the fixture block joint in the draw-in groove, in the fixture block embedding draw-in groove, the draw-in groove can carry on spacingly to the fixture block in vertical direction to be favorable to the more firm connection in the guide bar of fixture block, prevent that the slide bar from sliding on the guide bar, press from both sides tight effect better.

Preferably, one side of the clamping groove is connected with the clamping block, a first magnetic part is arranged, a second magnetic part matched with the first magnetic part is arranged on the inner wall of the clamping groove, and the first magnetic part and the second magnetic part are attracted with each other when the clamping block is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, when first magnetic part and second magnetic part attracted each other, make to have the effort of inter attraction between fixture block and the draw-in groove to what make the fixture block can stabilize more connects in the draw-in groove, the stability of improvement fixture block that can be great, thereby indirect promotion presss from both sides tight effect.

Preferably, the gland is detachably connected with the guide rod; the fixture block is rotatably connected to the sliding rod, and the fixture block can penetrate through the sliding groove after rotating, so that the gland is separated from the guide rod.

Through adopting above-mentioned technical scheme, after the fixture block passed the spout, make the gland separate from the guide bar, realize the gland and be connected with dismantling of guide bar to be convenient for the maintenance and the change of gland after impaired.

Preferably, one end of the sliding rod connected with the clamping block is provided with a limiting block, one surface of the clamping block connected with the sliding rod is provided with a limiting groove matched with the limiting block, and the limiting block is embedded into the limiting groove and can rotate in the limiting groove.

Through adopting above-mentioned technical scheme, stopper embedding spacing groove, stopper at the spacing inslot rotation, realize the rotation of fixture block on the slide bar to realize dismantling between gland and the guide bar and be connected.

Preferably, the sliding groove is provided with a ball which is convenient for the sliding rod to slide along the length direction.

Through adopting above-mentioned technical scheme, through setting up the ball, the ball turns into ball friction with the sliding friction between slide bar and the spout, reduces the frictional force between slide bar and the spout, makes what the slide bar can relax more slide in the spout.

In summary, the present application includes at least one of the following beneficial technical effects:

through setting up extension spring, slide bar and fixture block, the slide bar can slide in the sliding tray, after the slide bar slides, under extension spring's pulling force effect, the slide bar receives toward the external force that is close to the connecting block direction, make the slide bar have toward being close to the gliding trend of connecting block direction, it also has toward the gliding trend of equidirectional also to drive the fixture block, thereby make fixture block butt in the guide bar outer wall, realize the fixed of gland on the guide bar, after the cover sieve is put between bottom plate and apron, just also can realize the gland and to the clamping action of cover sieve. The clamping mode avoids the situation that the gland cannot clamp the sleeve screen well due to the fact that the screw rod is loosened in the vibration process, so that the clamping mechanism can clamp the sleeve screen stably, the clamping effect is better, and convenience is brought to people.

Through setting up fastening spring, draw-in groove, first magnetic part and second magnetic part to and inject the shape of fixture block butt guide bar one side, can make more firm the connecting in the guide bar of fixture block, improve the stability of fixture block, thereby improve the tight effect of clamp of gland to the cover sieve.

Through setting up gland and guide bar to be connected for dismantling, be convenient for maintain and change the impaired back of gland.

Drawings

Fig. 1 is a schematic overall structure diagram of a jolting standard sieving machine with a good clamping effect according to an embodiment of the application.

Fig. 2 is a schematic structural diagram for showing a connection relationship between the cover plate and the guide bar.

Description of reference numerals: 1. a base; 2. a motor; 3. a vibration mechanism; 4. sleeving a sieve; 41. a sifter device; 5. a clamping mechanism; 51. a base plate; 52. a guide bar; 521. a chute; 522. a card slot; 53. a fixing member; 531. a screw; 54. a gland; 541. a cover plate; 542. connecting blocks; 5421. a groove; 61. a slide bar; 611. a limiting block; 612. a convex edge; 62. an extension spring; 63. a clamping block; 631. a limiting groove; 7. a ball bearing; 8. a fastening spring; 91. a first magnetic member; 92. a second magnetic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses press from both sides effectual jarring formula standard sieving machine. Referring to fig. 1, press from both sides effectual jarring formula standard sieving machine and include base 1, and base 1 one side is equipped with motor 2, is equipped with vibration mechanism 3 on the base 1, and motor 2 is connected with vibration mechanism 3 electricity, and motor 2 can drive vibration mechanism 3 and shake on base 1. Press from both sides effectual jarring formula standard sieving machine still includes nested sieve 4, and nested sieve 4 includes a plurality of sieves 41 that are used for sieving the sample, and the sieve mesh size of a plurality of sieves 41 is different. The vibration mechanism 3 is connected with a clamping mechanism 5, and the clamping mechanism 5 is used for clamping and fixing the sleeve screen 4. When the vibration mechanism 3 vibrates, the clamping mechanism 5 is driven to vibrate, and then the sleeve screen 4 is driven to vibrate, so that the sample sequentially passes through the screen 41 with the screen holes from large to small, and the purpose of screening the sample is achieved.

The clamping mechanism 5 comprises a base plate 51, the base plate 51 being connected to the vibration mechanism 3. The bottom plate 51 is connected with three guide rods 52, the guide rods 52 are round rods with round cross sections, the length directions of the guide rods 52 are vertically arranged, the lower ends of the guide rods 52 are connected to the bottom plate 51, and a space for the screen jacket 4 to be placed in is formed by the surrounding of the three guide rods 52. The upper ends of the guide rods 52 are provided with arc-shaped fixing pieces 53, and the upper ends of the three guide rods 52 pass through the fixing pieces 53 and are connected and fixed by screws 531.

Referring to fig. 1, a gland 54 is slidably connected to the guide rods 52, and the gland 54 includes a circular cover plate 541 disposed between the three guide rods 52, the cover plate 541 being adapted to cover the topmost one of the sifters 41. Referring to fig. 2, the cover 541 is provided with three connecting blocks 542, and the three connecting blocks 542 correspond to the three guide rods 52 one by one. The connecting block 542 is radially disposed along the cover 541, and one end of the connecting block 542 is connected to the edge of the cover 541 and the other end is connected to the guide rod 52.

Referring to fig. 2, a groove 5421 is formed in one end of the connecting block 542, which is connected to the guide rod 52, in the length direction, an extension spring 62 is disposed in the groove 5421, one end of the extension spring 62 is connected to the inner wall of the groove 5421, and the other end is connected to the sliding rod 61. The sliding rod 61 has a length direction identical to that of the connecting block 542, and one end of the sliding rod 61 is connected to the extension spring 62 and the other end thereof protrudes out of the recess 5421. The guide rod 52 is provided with a sliding chute 521 in the length direction, the sliding chute 521 penetrates through the side wall of the guide rod 52, and the sliding rod 61 extends out of the groove 5421, then extends into the sliding chute 521, penetrates through the guide rod 52, and can slide on the sliding chute 521. Preferably, a plurality of balls 7 are provided on the inner walls of the sliding groove 521 at both sides in the length direction so as to facilitate the sliding of the sliding rod 61.

The sliding rod 61 is provided with a limiting block 611 after passing through the guide rod 52, and the limiting block 611 is substantially spherical. Stopper 611 goes up the joint and has fixture block 63, and fixture block 63 is connected stopper 611 department and has seted up the spherical spacing groove 631 with stopper 611 matched with, and stopper 611 imbeds in the spacing groove 631, and fixture block 63 passes through spacing groove 631 and is connected with stopper 611, and fixture block 63 can rotate on stopper 611, makes fixture block 63 and slide bar 61 rotate and is connected.

Referring to fig. 2, preferably, when the latch 63 rotates to have its own length direction identical to that of the chute 521, the latch 63 can pass through the chute 521. As shown in fig. 1, after the latch 63 passes through the sliding slot 521 in a direction approaching the cover 541, the latch 63 is separated from the guide rod 52, so that the pressing cover 54 can be separated from the guide rod 52, and the pressing cover 54 is detachably connected to the guide rod 52, thereby facilitating maintenance and replacement of the pressing cover 54 after damage. On the contrary, when the latch 63 rotates to the length direction thereof not identical to the length direction of the chute 521, the latch 63 cannot pass through the chute 521.

Referring to fig. 1 and 2, after the latch 63 passes through the sliding slot 521 in a direction away from the cover 541, the extension spring 62 is in an extended state, and under the action of a pulling force of the extension spring 62, the sliding rod 61 is subjected to an external force in a direction approaching the connecting block 542, so that the sliding rod 61 tends to slide in a direction approaching the connecting block 542, and the latch 63 is driven to slide in the same direction, so that the latch 63 abuts against an outer wall of the guide rod 52, and the gland 54 is fixed on the guide rod 52. After the screen 4 is placed between the bottom plate 51 and the cover plate 541, the gland 54 can clamp the screen 4. The clamping mode avoids the situation that the gland 54 cannot clamp the sleeve screen 4 well due to the fact that the screw rod is loosened in the vibration process, the clamping mechanism 5 can clamp the sleeve screen 4 stably, the clamping effect is better, and convenience is brought to people.

As a preferred embodiment, one surface of the fixture block 63 abutting against the guide rod 52 is an arc surface, and the arc surface is matched with the arc surface of the outer wall of the guide rod 52, so that the fixture block 63 can be attached to the guide rod 52, the contact area between the fixture block 63 and the guide rod 52 is increased, the friction force between the fixture block 63 and the guide rod 52 is increased, the connection of the fixture block 63 on the guide rod 52 is more stable, and the clamping effect of the press cover 54 on the screen sleeving 4 is improved.

Referring to fig. 2, further, a fastening spring 8 is sleeved outside the sliding rod 61, an annular convex edge 612 is arranged at one end of the sliding rod 61 connected with the fixture block 63, one end of the fastening spring 8 is connected to the convex edge 612, and the other end of the fastening spring is connected to the connecting block 542 after passing through the sliding groove 521. When the extension spring 62 is in a stretched state, the fastening spring 8 is also in a stretched state. Under the pulling force effect of fastening spring 8, slide bar 61 can receive stronger external force that is close to connecting block 542 direction for fixture block 63 can be more firm support tight guide bar 52, has the effect that improves the clamping effect.

Referring to fig. 2, further, a locking groove 522 matched with the locking block 63 is formed in the guide rod 52 in the length direction, and the length direction of the locking groove 522 is perpendicular to the length direction of the sliding chute 521 and is communicated with the sliding chute 521. Referring to fig. 1, the slots 522 are equal to the sifters 41, and the slots 522 correspond to the sifters 41 one by one. When the fixture block 63 abuts against the guide rod 52, the fixture block 63 can be embedded into the fixture groove 522 and clamped in the fixture groove 522, and the fixture groove 522 can limit the fixture block 63 in the vertical direction, so that the fixture block 63 can be more stably connected to the guide rod 52, the sliding rod 61 is prevented from sliding up and down on the guide rod 52, and the clamping effect is better. In addition, people can also clamp the clamping blocks 63 in the corresponding clamping grooves 522 according to the number of the used sieves 41, so that the clamping blocks 63 are more convenient to use when being connected stably, and the effect of improving the practicability is achieved.

Referring to fig. 2, a first magnetic member 91 is disposed on a surface of the latch 63 connected to the latch groove 522, and the first magnetic member 91 is a magnet. Correspondingly, the inner wall of the clamping groove 522 is provided with a second magnetic part 92, the second magnet is also a magnet, the second magnetic part 92 is matched with the first magnetic part 91, and the first magnetic part and the second magnetic part can attract each other. When the fixture block 63 is clamped in the clamping groove 522, the first magnetic member 91 and the second magnetic member 92 attract each other, so that an attractive force exists between the fixture block 63 and the clamping groove 522, the fixture block 63 can be more stably connected to the clamping groove 522, the stability of the fixture block 63 can be greatly improved, and the clamping effect can be indirectly improved.

The implementation principle of the jolting standard sieving machine with good clamping effect is as follows: the extension spring 62 is in a stretched state, so that the sliding rod 61 is subjected to an external force in a direction approaching the connecting block 542, and the latch 63 is also subjected to an external force in the same direction, so that the latch 63 abuts against the outer wall of the guide rod 52, and the gland 54 is fixed on the guide rod 52. After the sleeve screen 4 is placed between the bottom plate 51 and the cover plate 541, the bottom plate 51 and the cover plate 541 can clamp the sleeve screen 4, so that the gland 54 can clamp the sleeve screen 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A shock type standard sieving machine with a good clamping effect comprises a vibration mechanism (3) and a clamping mechanism (5), wherein the clamping mechanism (5) comprises a bottom plate (51) connected to the vibration mechanism (3), a guide rod (52) is vertically arranged on the bottom plate (51), and the lower end of the guide rod (52) is connected to the bottom plate (51); sliding connection has gland (54) on guide bar (52), its characterized in that: the pressing cover (54) comprises a cover plate (541) and a connecting block (542) connected to the cover plate (541), and one end, far away from the cover plate (541), of the connecting block (542) is connected to the guide rod (52) in a sliding mode; an extension spring (62) is arranged at one end of the connecting block (542) connected with the guide rod (52), and a sliding rod (61) is connected at one end, far away from the gland (54), of the extension spring (62); a sliding groove (521) is formed in the length direction of the guide rod (52), the sliding rod (61) penetrates through the sliding groove (521) in a sliding mode, a clamping block (63) is connected to the sliding rod (61) after the sliding rod (61) penetrates through the sliding groove (521), and the clamping block (63) can abut against the outer wall of the guide rod (52).

2. The effective jarring standard sieving machine of clamp of claim 1 characterized in that: the outer sleeve of the sliding rod (61) is provided with a fastening spring (8), the fastening spring (8) penetrates through the sliding groove (521), and two ends of the fastening spring (8) are connected to the sliding rod (61) and the connecting block (542) respectively.

3. The effective jarring standard sieving machine of clamp of claim 2 characterized in that: the guide rod (52) is a round rod, and one surface, abutted to the guide rod (52), of the clamping block (63) is an arc surface matched with the guide rod (52).

4. The effective jarring standard sieving machine of claim 3, characterized by that: a plurality of clamping grooves (522) matched with the clamping blocks (63) are formed in the length direction of the guide rod (52), the clamping grooves (522) are communicated with the sliding grooves (521), and the clamping blocks (63) can be clamped in the clamping grooves (522).

5. The effective jarring standard sieving machine of claim 4, characterized by that: one side of the clamping block (63) connected with the clamping groove (522) is provided with a first magnetic part (91), the inner wall of the clamping groove (522) is provided with a second magnetic part (92) matched with the first magnetic part (91), and the clamping block (63) is clamped in the clamping groove (522), so that the first magnetic part (91) and the second magnetic part (92) attract each other.

6. The effective jarring standard sieving machine of clamp of claim 1 characterized in that: the gland (54) is detachably connected with the guide rod (52); the clamping block (63) is rotatably connected to the sliding rod (61), and after the clamping block (63) rotates, the clamping block can penetrate through the sliding groove (521), so that the pressing cover (54) is separated from the guide rod (52).

7. The effective jarring standard sieving machine of claim 6, characterized by that: one end of the sliding rod (61) connected with the clamping block (63) is provided with a limiting block (611), one side of the clamping block (63) connected with the sliding rod (61) is provided with a limiting groove (631) matched with the limiting block (611), and the limiting block (611) is embedded into the limiting groove (631) and can rotate in the limiting groove (631).

8. The effective jarring standard sieving machine of clamp of claim 1 characterized in that: the sliding rod (61) is convenient to slide, and balls (7) are arranged in the length direction of the sliding groove (521).

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