CN112157226A

CN112157226A - Sand casting grit automatic rammer compactor

Info

Publication number: CN112157226A
Application number: CN202011109597.5A
Authority: CN
Inventors: 张才
Original assignee: Ningbo Wanyou Intelligent Technology Co ltd
Current assignee: Ningbo Wanyou Intelligent Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-01-01

Abstract

The invention relates to an automatic sand casting sand and stone rammer, which comprises a gravity hammer, a base and a turntable, wherein a turntable motor cavity with an upward opening direction is formed in the center of the base, a turntable motor is fixedly mounted on the turntable motor cavity, a turntable motor shaft is adopted as the rotary shaft of the turntable motor, a threaded cavity is fixedly connected onto the rotary shaft of the turntable motor, a turntable is fixedly mounted at the upper end of a supporting rod of a chassis, and a main body at the bottom end of the turntable is adopted as the base of the turntable.

Description

Sand casting grit automatic rammer compactor

Technical Field

The invention relates to an automatic sand-cast gravel rammer, which mainly relates to the technical field of casting machinery.

Background

Casting and casting are an early metal hot working process mastered by human beings, about 6000 years of history of a threaded cavity exists, and two main types of sand casting and special casting mainly exist, but the manufacturing of a sand casting mold is very difficult, the mold manufacturing is time-consuming, a large amount of manpower and time are needed for sand tamping, the work is mainly repetitive and complicated mechanical work, and the work can be completely completed by machinery.

In view of the above-mentioned disadvantages of the difficult and time-consuming manufacture of sand casting molds, the present invention improves upon the above-mentioned prior art.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic sand casting gravel rammer which overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to an automatic rammer for sand casting sand-stone, which comprises a gravity hammer, a base and a turntable, wherein the center of the base is provided with a turntable motor cavity with an upward opening direction, a turntable motor is fixedly arranged on the turntable motor cavity, a turntable motor rotating shaft is a turntable motor shaft, a threaded cavity is fixedly connected on the turntable motor shaft, a turntable is fixedly arranged at the upper end of a supporting rod of the base, the main body at the bottom end of the turntable is a turntable base, the upper end of the turntable base is provided with two turntable upper chutes with upward opening directions, the two turntable upper chutes are arranged in the left, right, front and back directions, upper sliding blocks are symmetrically arranged in the chutes on the turntable in the left, right, front and back directions, upper sliding blocks are provided with clamping rod rotating cavities at the upper ends, clamping rod shafts are fixedly arranged in the clamping rod rotating cavities, clamping rods are rotatably arranged on the clamping rod shafts, torsion springs are connected between the clamping rods and the clamping rod, the bottom end of a supporting rod of the upper nut seat is fixedly connected with an upper nut seat of a rotary table, a left through threaded cavity and a right through threaded cavity are arranged in the upper nut seat of the rotary table, threads of the threaded cavity are installed on a lead screw on the rotary table, the left end and the right end of the lead screw on the rotary table are rotatably connected with the left end and the right end of the upper nut cavity of the rotary table which are upwards opened and communicated with an upper chute of the rotary table, the left direction and the right direction of the threads of the lead screw on the rotary table are opposite, the bottom end of the supporting rod of the upper nut seat at the bottom end of an upper sliding block in the upper chute of the rotary table which extends forwards and backwards is fixedly connected with a lower nut seat of the rotary table, the threaded cavity which is through forwards and backwards is arranged in the lower nut seat of the rotary table, a lower lead screw of the rotary table is rotatably connected with the front end and the rear, a main gravity hammer support is arranged in the gravity hammer sliding cavity in a vertically sliding manner, a gravity hammer sliding way with an opening in the direction of the main gravity hammer support is formed in the gravity hammer sliding cavity in a front-back symmetrical manner, a gravity hammer sliding block is fixedly arranged in the gravity hammer sliding way and is fixedly arranged at the front end and the rear end of the main gravity hammer support, the left end of the main gravity hammer support is a gravity balance block for balancing weight, a gravity hammer is fixedly arranged at the right end of the main gravity hammer support, a gravity hammer auxiliary support is arranged at the upper end of the gravity hammer support, a gravity hammer auxiliary support rod is uniformly and fixedly arranged on the gravity hammer auxiliary support, a gravity hammer seat is fixedly arranged at the bottom end of the gravity hammer auxiliary support rod, a main motor box is fixedly arranged at the upper end of the center of the gravity hammer seat, a main motor cavity with an upward opening is formed in the main motor box, the rotating shaft of the gravity hammer seat is a screw rod, the screw thread of the screw rod is arranged in a thread cavity at the center of a screw rod turntable, the screw rod turntable is rotatably arranged in a screw rod turntable cavity which is communicated up and down in the screw rod turntable seat, a limiting rod box is fixedly arranged on the left side of the upper end of the screw rod turntable seat, the left end of the limiting rod box is provided with a limiting spring cavity with a left opening, a limiting rod is slidably arranged in the limiting spring cavity, a limiting magnet is fixedly arranged at the left end of the limiting spring cavity, the limiting magnet is connected with the limiting rod through a limiting spring, the upper end of the screw rod turntable is uniformly and fixedly provided with a limiting block, the bottom end of the gravity hammer seat is uniformly provided with a gravity hammer module cavity with a downward opening, the gravity hammer module is characterized in that a gravity hammer module is slidably mounted in the gravity hammer module cavity, a rubber block is fixedly mounted at the bottom end of the gravity hammer module, and a gravity hammer spring is connected between the gravity hammer module and the upper end of the gravity hammer module cavity.

Further, the carousel upper nut chamber bottom position left end have the opening ascending with carousel upper nut chamber looks UNICOM location motor chamber, fixed mounting has the location motor in the location motor chamber, the location motor pivot is the location motor lead screw, location motor lead screw threaded connection is at location screw thread intracavity, the opening that link up from top to bottom in location screw thread chamber is at location chamber rear, location chamber bottom is the locating surface, have on the locating surface with the corresponding screw thread of lead screw on the carousel, location chamber the place ahead is opened and is had the driven spout that link up from top to bottom, driven spout slidable mounting is on driven slide bar, driven slide bar fixed mounting be in carousel upper nut chamber bottom.

Furthermore, the bottom end of the rotary table base is uniformly provided with an annular sliding groove around the circle center of the rotary table base, and the annular sliding groove is slidably arranged in an annular base plate sliding rod.

The invention has the beneficial effects that: the invention replaces the process of tamping sandy soil with machinery, does not influence other work at all, saves a large amount of manpower and material resources, greatly shortens the manufacturing time of the sand mould, replaces the repeated work of the machinery with the machinery, reduces the workload of workers and the risk of injury, and ensures that the quality of the work is better than that of the work by manpower by the automatic rotating wheel.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is an enlarged schematic structural view of the lower hammer control mechanism 14 of the embodiment of the present invention;

FIG. 3 is a schematic top plan view of the lower hammer control mechanism 14 of FIG. 1 in accordance with one embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the embodiment of the present invention at A in FIG. 1;

FIG. 5 is an enlarged schematic view of turntable 24 of FIG. 1 according to one embodiment of the present invention;

fig. 6 is a left enlarged structural diagram of the clamping mechanism 52 in fig. 5 according to the embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The sand casting sand and stone automatic tamper described with reference to fig. 1-6 comprises a gravity hammer 22, a base 25 and a turntable 24, wherein a turntable motor cavity 27 with an upward opening direction is formed in the center of the base 25, a turntable motor 28 is fixedly mounted on the turntable motor cavity 27, a rotating shaft of the turntable motor 28 is a turntable motor shaft 29, a threaded cavity 60 is fixedly connected to the turntable motor shaft 29, the turntable 24 is fixedly mounted at the upper end of the chassis support rod 30, a main body at the bottom end of the turntable 24 is a turntable base 46, two turntable upper chutes 58 with left, right, front and rear openings extending upwards in the direction are formed in the upper end of the turntable base 46, upper sliders 62 are symmetrically mounted in the turntable upper chutes 58 in a left, right, front and rear directions, a clamping rod rotating cavity 47 is formed in the upper slider 62, a clamping rod shaft 48 is fixedly mounted in the clamping rod rotating cavity 47, and a clamping rod 49 is rotatably mounted on the clamping, a torsion spring is connected between the clamping rod 49 and the clamping rod shaft 48, an upper nut seat support rod 61 is fixedly connected to the bottom end of an upper sliding block 62 in the turntable upper sliding groove 58 in the left-right direction, a turntable upper nut seat 59 is fixedly connected to the bottom end of the upper nut seat support rod 61, a left-right through threaded cavity 60 is formed in the turntable upper nut seat 59, the threaded cavity 60 is installed on a turntable upper screw rod 57 in a threaded manner, the left end and the right end of the turntable upper screw rod 57 are rotatably connected to the left end and the right end of a turntable upper nut cavity 53 which are opened upwards and communicated with the turntable upper sliding groove 58, the left-right threaded direction of the turntable upper screw rod 57 is opposite, a turntable lower nut seat 55 is fixedly connected to the bottom end of an upper nut seat support rod 61 at the bottom end of an upper sliding block 62 in the turntable upper sliding groove 58 which extends forwards and backwards, the front-back through threaded cavity 60 is formed in the turntable, the lower rotary disc screw 56 is rotatably connected to the front and rear ends of a lower rotary disc nut cavity 54 with an upward opening communicated with an upper rotary disc chute 58, the left end of the base 25 is fixedly connected with a casting mould 23, a left and right through gravity hammer sliding cavity 35 is arranged in the casting mould 23, a gravity hammer main support 11 is arranged in the gravity hammer sliding cavity 35 in a vertically sliding manner, a gravity hammer slide way 34 with an opening in the direction of the gravity hammer main support 11 is arranged in the gravity hammer sliding cavity 35 in a front-back symmetrical manner, a gravity hammer slide block 12 is fixedly arranged in the gravity hammer slide way 34, the gravity hammer slide block 12 is fixedly arranged at the front and rear ends of the gravity hammer main support 11, the left end of the gravity hammer main support 11 is a gravity balance weight 36 for balancing weight, a gravity hammer 22 is fixedly arranged at the right end of the gravity hammer main support 11, a gravity hammer auxiliary support 17 is arranged at the upper end of the gravity hammer 22, and a gravity hammer auxiliary, the gravity hammer auxiliary supporting rod 16 is fixedly provided with a gravity hammer seat 19 at the bottom end, a main motor box 20 is fixedly arranged at the upper end of the center of the gravity hammer seat 19, a main motor cavity 21 with an upward opening is formed in the main motor box 20, the gravity hammer seat 19 with an upward rotating shaft direction is fixedly arranged in the main motor cavity 21, the rotating shaft of the gravity hammer seat 19 is a screw rod 15, the screw rod 15 is installed in a threaded cavity at the center of a screw rod turntable 72 in a threaded manner, the screw rod turntable 72 is rotatably installed in a vertically through screw rod turntable cavity 71 in the screw rod turntable seat 75, a limiting rod box 65 is fixedly arranged at the left side of the upper end of the screw rod turntable seat 75, a limiting spring cavity 69 with a leftward opening is formed at the left end of the limiting rod box 65, a limiting rod 64 is slidably installed in the limiting spring cavity 69, a limiting magnet 66 is fixedly installed at the left end of the limiting spring cavity 69, and a limiting spring 68 is connected, the upper end of the screw rod turntable 72 is uniformly and fixedly provided with a limiting block 63, the bottom end of the gravity hammer seat 19 is uniformly provided with a gravity hammer module cavity 77 with a downward opening, a gravity hammer module 78 is slidably arranged in the gravity hammer module cavity 77, the bottom end of the gravity hammer module 78 is fixedly provided with a rubber block 79, and a gravity hammer spring 76 is connected between the gravity hammer module 78 and the upper end of the gravity hammer module cavity 77.

Beneficially, the left end of the bottom end position of the nut cavity 53 on the turntable is provided with a positioning motor cavity 43 which is communicated with the nut cavity 53 on the turntable, a positioning motor 44 is fixedly installed in the positioning motor cavity 43, a rotating shaft of the positioning motor 44 is a positioning motor lead screw 45, the positioning motor lead screw 45 is in threaded connection with the positioning threaded cavity 37, the positioning threaded cavity 37 is vertically communicated with the rear of the positioning cavity 38, the bottom end of the positioning cavity 38 is a positioning surface 39, a thread corresponding to the lead screw 57 on the turntable is arranged on the positioning surface 39, a driven sliding groove 41 which is vertically communicated with the front of the positioning cavity 38 is arranged, the driven sliding groove 41 is slidably installed on the driven sliding rod 42, and the driven sliding rod 42 is fixedly installed at the bottom end of the nut cavity 53 on the turntable.

Advantageously, the bottom end of the turntable base 46 is fixedly provided with an annular sliding chute 26 uniformly around the center of the turntable base 46, and the annular sliding chute 26 is slidably arranged in the annular chassis sliding rod 31.

Sequence of mechanical actions of the whole device: 1. when the whole device works, the upper sliding block 62 in the left, right, front and back directions is pulled outwards firstly, the thread cavity 60 can drive the nut cavity 53 on the rotary table to rotate, the thread direction of the other end on the nut cavity 53 on the rotary table is opposite, the upper sliding block 62 on the opposite thread can move towards the opposite direction, then the casting mold 23 is placed in the middle position of the upper sliding block 62 at the upper end of the rotary table base 46, the clamping rod 49 is rotated to rotate in the clamping rod rotating cavity 47, the casting mold 23 is clamped, then the positioning motors 44 at the bottom end of the nut cavity 53 on the rotary table and the bottom end of the nut cavity 54 on the rotary table are started, the positioning motor screw rod 45 rotates in the positioning thread cavity 37, the positioning cavity 38 is made to translate downwards, the screw rod 57 on the rotary table and the screw rod 56 under the rotary table are clamped, the screw rod 57 on the rotary table and the screw rod 56 under the rotary table are ensured not to rotate, and the upper, subsequently, the turntable motor 28 in the base 25 is started to drive the turntable motor shaft 29 and the chassis support rod 30 at the upper end thereof to rotate slowly, so that the turntable 24 rotates slowly therewith.

2. After the rotary disc 24 at the bottom end rotates, the limiting magnet 66 is electrified to generate suction force to suck the limiting rod 64 leftwards, so that the limiting rod 64 moves leftwards, the limiting rod 64 cannot block the movement of the limiting block 63, then the gravity hammer 22 falls under the action of gravity, the screw thread between the screw rod 15 and the screw rod rotary disc 72 enables the screw rod to rotate in the screw rod rotary disc cavity 71 at the center of the screw rod rotary disc seat 75, when the gravity hammer 22 collides casting sand in a casting mould 23 below the gravity hammer 22, the rubber block 79 is contacted with the casting sand to generate impact force on the casting sand, the gravity hammer module 78 moves upwards in the gravity hammer module cavity 77, the impact force is absorbed by the gravity hammer spring 76, then the limiting magnet 66 is powered off, the limiting rod 64 moves rightwards under the action of the limiting spring 68 to block the limiting block 63, then the main motor 18 is started to enable the screw rod 15 to rotate, and the screw rod rotary disc 72 is locked by the limiting rod, therefore, the gravity hammer 22 slowly climbs back under the action of the screw threads, and the main bracket 11 of the gravity hammer drives the gravity hammer slide block 12 to synchronously climb up in the gravity hammer slide way 34.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic rammer compactor of sand casting grit, includes gravity hammer, base and carousel, its characterized in that: the base is provided with a turntable motor cavity with an upward opening direction at the center, a turntable motor is fixedly arranged on the turntable motor cavity, a rotating shaft of the turntable motor is a turntable motor shaft, a threaded cavity is fixedly connected to the turntable motor shaft, a turntable is fixedly arranged at the upper end of a supporting rod of the chassis, the bottom end of the turntable is mainly provided with a turntable base, two upper chutes of the turntable are arranged at the upper end of the turntable base, the upper chutes extend upwards in the opening direction, the upper chutes are arranged at the left, the right, the front and the back of the turntable, upper sliders are symmetrically arranged in the upper chutes of the turntable in a sliding manner, a clamping rod rotating cavity is arranged at the upper end of the upper slider, a clamping rod shaft is fixedly arranged in the clamping rod rotating cavity, clamping rods are rotatably arranged on the clamping rod shaft, torsion springs are connected between the clamping rods and the clamping, the bottom end of a supporting rod of the upper nut seat is fixedly connected with an upper nut seat of a rotary table, a left through threaded cavity and a right through threaded cavity are arranged in the upper nut seat of the rotary table, threads of the threaded cavity are installed on a lead screw on the rotary table, the left end and the right end of the lead screw on the rotary table are rotatably connected with the left end and the right end of the upper nut cavity of the rotary table which are upwards opened and communicated with an upper chute of the rotary table, the left direction and the right direction of the threads of the lead screw on the rotary table are opposite, the bottom end of the supporting rod of the upper nut seat at the bottom end of an upper sliding block in the upper chute of the rotary table which extends forwards and backwards is fixedly connected with a lower nut seat of the rotary table, the threaded cavity which is through forwards and backwards is arranged in the lower nut seat of the rotary table, a lower lead screw of the rotary table is rotatably connected with the front end and the rear, a main gravity hammer support is arranged in the gravity hammer sliding cavity in a vertically sliding manner, a gravity hammer sliding way with an opening in the direction of the main gravity hammer support is formed in the gravity hammer sliding cavity in a front-back symmetrical manner, a gravity hammer sliding block is fixedly arranged in the gravity hammer sliding way and is fixedly arranged at the front end and the rear end of the main gravity hammer support, the left end of the main gravity hammer support is a gravity balance block for balancing weight, a gravity hammer is fixedly arranged at the right end of the main gravity hammer support, a gravity hammer auxiliary support is arranged at the upper end of the gravity hammer support, a gravity hammer auxiliary support rod is uniformly and fixedly arranged on the gravity hammer auxiliary support, a gravity hammer seat is fixedly arranged at the bottom end of the gravity hammer auxiliary support rod, a main motor box is fixedly arranged at the upper end of the center of the gravity hammer seat, a main motor cavity with an upward opening is formed in the main motor box, the rotating shaft of the gravity hammer seat is a screw rod, the screw thread of the screw rod is arranged in a thread cavity at the center of a screw rod turntable, the screw rod turntable is rotatably arranged in a screw rod turntable cavity which is communicated up and down in the screw rod turntable seat, a limiting rod box is fixedly arranged on the left side of the upper end of the screw rod turntable seat, the left end of the limiting rod box is provided with a limiting spring cavity with a left opening, a limiting rod is slidably arranged in the limiting spring cavity, a limiting magnet is fixedly arranged at the left end of the limiting spring cavity, the limiting magnet is connected with the limiting rod through a limiting spring, the upper end of the screw rod turntable is uniformly and fixedly provided with a limiting block, the bottom end of the gravity hammer seat is uniformly provided with a gravity hammer module cavity with a downward opening, the gravity hammer module is characterized in that a gravity hammer module is slidably mounted in the gravity hammer module cavity, a rubber block is fixedly mounted at the bottom end of the gravity hammer module, and a gravity hammer spring is connected between the gravity hammer module and the upper end of the gravity hammer module cavity.

2. An automatic sand and sand rammer compactor according to claim 1, characterized in that: the utility model discloses a rotary table, including carousel upper nut chamber, location motor shaft, location motor screw rod, location screw rod threaded connection, location screw cavity, driven slide bar fixed mounting be in carousel upper nut chamber bottom, the carousel upper nut chamber bottom position left end have the opening ascending with carousel upper nut chamber looks UNICOM location motor chamber, fixed mounting has location motor in the location motor chamber, location motor shaft is the location motor lead screw, location motor lead screw threaded connection is in location screw thread intracavity, the opening that link up from top to bottom in location screw thread chamber is at location chamber rear, location chamber bottom is the locating surface, have on the locating surface with the corresponding screw thread of lead screw on the carousel, location chamber the place ahead is opened and is had the.

3. An automatic sand and sand rammer compactor according to claim 1, characterized in that: the bottom end of the rotary table base is uniformly provided with an annular sliding groove at the position surrounding the circle center of the rotary table base, and the annular sliding groove is slidably arranged in an annular chassis sliding rod.