CN219004555U - Vibrations shakeout structure and shake core machine - Google Patents

Abstract

The utility model discloses a vibration shakeout structure and a shake core machine, comprising: a gear motor, a vibration source and a vibration damping device; the end part of the output end of the gear motor is provided with a rotary table, one side of the rotary table, which is far away from the gear motor, is provided with a plurality of brackets, each bracket comprises a first bracket, a second bracket and a third bracket which are sequentially arranged from top to bottom, the first bracket is connected with the second bracket through a first connecting rod, the second bracket is connected with the third bracket through a second connecting rod, and the second bracket is used for fixing castings; the vibration source is arranged on the bracket and used for providing vibration; the damping device comprises a first damping device and a second damping device, wherein a plurality of groups of first damping devices are symmetrically arranged on two sides of the upper surface of the second support, the top ends of the first damping devices are connected with the first support, a plurality of groups of second damping devices are symmetrically arranged on two sides of the upper surface of the third support, and the top ends of the second damping devices are connected with the second support; the structure has the characteristics of good sand removal effect and difficult damage to the ground.

Description

Vibrations shakeout structure and shake core machine

Technical Field

The utility model relates to the field of core shakeout machines, in particular to a vibration shakeout structure and a core shakeout machine.

Background

The development of the electric automobile industry is rapid, and a series of lightweight cast parts of the automobile are driven to be put into production. Aluminum alloy casting rapidly rises. Various automobile parts such as a car body frame, an engine cylinder cover, a cylinder body, a control arm, a steering knuckle, an auxiliary frame and the like are cast by adopting aluminum alloy. For the above parts with complex structures, the current technology determines that each large manufacturer can produce greater economic value by adopting the most traditional and most effective sand core casting mode. With the deep development of casting and automatic post-treatment, automatic sand removal has also been realized for sand core casting. The working efficiency is greatly improved, and the labor intensity of workers is reduced. This also places higher demands on the automated post-earthquake core processing equipment.

The inventor finds that the driven sand shaking machine often causes ground damage when in use and the sand removal effect is not ideal due to uneven exciting force, so that a vibration sand falling structure and the sand shaking machine are needed to solve the problems.

Disclosure of Invention

Therefore, the vibration shakeout structure and the shake core machine which have good sand removal effect and are not easy to damage the ground are needed to be provided.

To achieve the above object, the present inventors provide a shakeout structure comprising: a gear motor, a vibration source and a vibration damping device; the end part of the output end of the speed reducing motor is provided with a rotary table, one side of the rotary table, which is far away from the speed reducing motor, is provided with a plurality of supports, each support comprises a first support, a second support and a third support which are sequentially arranged from top to bottom, one ends of the first support, the second support and the third support, which are close to the rotary table, are respectively connected with the rotary table, the first support is connected with the second support through a first connecting rod, the second support is connected with the third support through a second connecting rod, and the second support is used for fixing castings; the vibration source is arranged on the support and used for providing vibration; the damping device comprises a first damping device and a second damping device, a plurality of groups of first damping devices are symmetrically arranged on two sides of the upper surface of the second support, the top end of the first damping device is connected with the first support, a plurality of groups of second damping devices are symmetrically arranged on two sides of the upper surface of the third support, and the top end of the second damping device is connected with the second support.

As a preferable structure of the utility model, the damping device further comprises a first plate spring and a second plate spring, wherein the first plate springs are connected with each other through the first plate springs which are vertically arranged, and the second plate springs are connected with each other through the second plate springs which are vertically arranged.

As a preferable structure of the utility model, a first connecting beam is arranged between two first leaf springs close to the seismic source, two ends of the first connecting beam are respectively connected with the middle parts of the two first leaf springs, a second connecting beam is arranged between two second leaf springs close to the seismic source, and two ends of the second connecting beam are respectively connected with the middle parts of the two second leaf springs.

As a preferable structure of the present utility model, the first connecting beam and the second connecting beam are fixedly connected by bolts.

As a preferable structure of the utility model, the second bracket comprises a fixed frame and a vibration frame, wherein the fixed frame is fixedly connected with the vibration frame, one end of the fixed frame is connected with the turntable, the first damper and the first connecting rod are arranged on the fixed frame, the vibration source is used for driving the vibration frame to vibrate, the casting is arranged on the vibration frame, and one end of the vibration frame provided with the casting is fixedly connected with a second plate spring which is close to the casting and far away from the turntable.

As a preferable structure of the present utility model, the first connection beam and the second connection beam are fixedly provided on the upper surface and the lower surface of the vibration frame, respectively.

As a preferable structure of the utility model, a plurality of third connecting rods are arranged below the vibration frame below the casting and are arranged along the width direction of the vibration frame, two ends of each third connecting rod are fixedly connected with the lower surface of the vibration frame through a first fixing plate, a second fixing plate is arranged in the middle of each third connecting rod, the upper surface of each second fixing plate is connected with the vibration frame through a plurality of struts, and one end of each vibration frame is fixedly connected with a second plate spring which is close to the casting and far away from the turntable.

As a preferable structure of the utility model, the vibration frame further comprises a centering device, wherein the centering device comprises two cylinders which are arranged along the length direction of the vibration frame and are opposite to each other in telescopic ends, fixed ends of the two cylinders are fixedly connected with the second bracket respectively, and telescopic end parts of the two cylinders are fixedly connected with the vibration frame through a third fixing plate.

To achieve the above object, the present inventors also provide a core vibrating machine comprising: the base is provided with the vibration shakeout structure according to any one of the above summary.

As an optimized structure of the utility model, the gear motor is arranged on the base through the motor seat, and the base positioned below the casting is also provided with the sand guiding device.

Compared with the prior art, the beneficial effects achieved by the technical scheme are as follows:

(1) The first shock absorber and the second shock absorber in the structure can effectively reduce the impact of shaking of the support on the ground in the process of shaking shakeout, and reduce the sound generated by shaking; the arrangement of the turntable can effectively realize the overturning of the bracket, so that the sand core in the casting falls down;

(2) Through setting up first leaf spring and second leaf spring and increased the quantity of leaf spring, alleviateed the load of single leaf spring, and with the vertical setting of first leaf spring and second leaf spring, the effectual atress that makes first leaf spring and second leaf spring bears and overall structure has kept unanimously, the life-span of leaf spring has been improved greatly, and the effectual alternating load that reduces first leaf spring and second leaf spring that bears of setting up of first bradyseism ware and second bradyseism ware, further guaranteed the life of first leaf spring and second leaf spring, in addition, the setting of first tie-beam and second tie-beam makes between the first leaf spring, atress between the second leaf spring is more even, further reduced the alternating load that first leaf spring and second leaf spring bore, further guaranteed the life of first leaf spring and second leaf spring.

Drawings

FIG. 1 is a schematic view of a part of a shake-out apparatus according to an embodiment;

FIG. 2 is a schematic view of a connection structure of a rotating shaft according to an embodiment;

fig. 3 is a schematic view of a connection structure of the first leaf spring according to the embodiment;

FIG. 4 is a schematic view of a connection structure of a first connection beam and a second connection beam according to an embodiment;

FIG. 5 is a schematic view of a connection structure of an eccentric block according to an embodiment;

FIG. 6 is a schematic view of a connection structure of a fixing frame and a vibration frame according to an embodiment;

FIG. 7 is a schematic view of a connection structure of a vibration frame according to an embodiment;

FIG. 8 is a schematic view of a centering device and a connection structure of a first fixing plate and a second fixing plate according to an embodiment;

FIG. 9 is a schematic view illustrating a connection structure of the first fixing plate, the second fixing plate and the third fixing plate according to the embodiment;

FIG. 10 is a schematic diagram of a transmission structure of a driving motor according to an embodiment;

fig. 11 is a schematic view of a sand guiding device and a base structure according to an embodiment.

Reference numerals illustrate:

101. a speed reducing motor; 102. a turntable; 103. a first bracket; 104. a second bracket; 1041. a fixing frame; 1042. a vibration frame; 105. a third bracket; 106. a first connecting rod; 107. a second connecting rod; 108. a third connecting rod; 109. a first fixing plate; 110. a second fixing plate; 111. a support post; 2. a seismic source; 201. a driving motor; 2013. a synchronous pulley; 202. a rotating shaft; 203. a bearing seat; 204. an eccentric wheel; 301. a first shock absorber; 302. a second shock absorber; 303. a first leaf spring; 304. a second leaf spring; 305. a first connecting beam; 306. a second connection beam; 4. a centering device; 401. a cylinder; 402. a third fixing plate; 501. a base; 502. a motor base; 601. and a sand guiding device.

Detailed Description

In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 11, as shown in the drawings, the present embodiment provides a vibration shakeout structure, which includes: a gear motor 101, a vibration source 2 and a vibration damping device; the end part of the output end of the gear motor 101 is provided with a rotary table 102, one side of the rotary table 102 far away from the gear motor 101 is provided with a plurality of brackets, each bracket comprises a first bracket 103, a second bracket 104 and a third bracket 105 which are sequentially arranged from top to bottom, one ends of the first bracket 103, the second bracket 104 and the third bracket 105, which are close to the rotary table 102, are respectively connected with the rotary table 102, the first bracket 103 is connected with the second bracket 104 through a first connecting rod 106, the second bracket 104 is connected with the third bracket 105 through a second connecting rod 107, and the second bracket 104 is used for fixing castings; the vibration source 2 is arranged on the bracket, and the vibration source 2 is used for providing vibration; the damping device comprises a first damping device 301 and a second damping device 302, wherein a plurality of groups of first damping devices 301 are symmetrically arranged on two sides of the upper surface of the second support 104, the top ends of the first damping devices 301 are connected with the first support 103, a plurality of groups of second damping devices 302 are symmetrically arranged on two sides of the upper surface of the third support 105, and the top ends of the second damping devices 302 are connected with the second support 104.

As shown in fig. 3 to 5 and fig. 9, in the present embodiment, in order to further improve the cushioning effect, the cushioning device further includes a first leaf spring 303 and a second leaf spring 304, the first symmetrical cushioning devices 301 are connected by a first leaf spring 303 arranged vertically, and the second symmetrical cushioning devices 302 are connected by a second leaf spring 304 arranged vertically; in this embodiment, through setting up the quantity that has increased the leaf spring of first leaf spring 303 and second leaf spring 304, alleviateed the load of single leaf spring, and with the vertical setting of first leaf spring 303 and second leaf spring 304, the effectual atress that makes first leaf spring 303 and second leaf spring 304 bears and has kept unanimously with overall structure, has improved the life-span of leaf spring greatly, and the effectual alternating load that reduces first leaf spring 303 and second leaf spring 304 that bears of setting up of first buffer 301 and second buffer 302 has further guaranteed the life of first leaf spring 303 and second leaf spring 304.

In some embodiments, in order to further improve the cushioning effect and the damping effect of the overall structure, a first connecting beam 304 is disposed between two first leaf springs 303 near the seismic source 2, two ends of the first connecting beam 304 are respectively connected with middle portions of the two first leaf springs 303, a second connecting beam 306 is disposed between two second leaf springs 304 near the seismic source 2, and two ends of the second connecting beam 306 are respectively connected with middle portions of the two second leaf springs 304; the first connecting beam 304 and the second connecting beam 306 are fixedly connected through bolts; in the embodiment, the first plate spring 303 and the second plate spring 304 are connected together and are close to the seismic source 2 through the arrangement of the first connecting beam 304 and the second connecting beam 306, so that the cushioning effect at the seismic source 2 is effectively improved, the stability of the whole structure is ensured, and the earthquake vibration is reduced; in addition, the arrangement of the first connecting beam 304 and the second connecting beam 306 makes the stress between the first plate springs 303 and the stress between the second plate springs 304 more uniform, so that the alternating load born by the first plate springs 303 and the second plate springs 304 is further reduced, and the service lives of the first plate springs 303 and the second plate springs 304 are further ensured.

As shown in fig. 3, 6 and 7, in some embodiments, the second support 104 includes a fixing frame 1041 and a vibration frame 1042, the fixing frame 1041 is fixedly connected with the vibration frame 1042, one end of the fixing frame 1041 is connected with the turntable 102, the first damper 301 and the first connecting rod 106 are disposed on the fixing frame 1041, the vibration source 2 is used for driving the vibration frame 1042 to vibrate, the casting is disposed on the vibration frame 1042, and one end of the vibration frame 1042 provided with the casting is fixedly connected with the second leaf spring 304 close to the casting and far away from the turntable 102. The first and second connection beams 304 and 306 are fixedly provided to the upper and lower surfaces of the shock frame 1042, respectively. In this embodiment, one end of the vibration frame 1042 provided with the casting is fixedly connected with the first plate spring 303 which is close to the casting and far away from the turntable 102, so that the vibration effect of the vibration frame 1042 can be effectively improved, the exciting force is more uniform, the best exciting effect is achieved, and the first plate spring 303 provides supporting force for the vibration frame 1042, so that the vibration frame 1042 is prevented from being bent due to heavy casting or uneven stress.

In the above embodiment, in order to facilitate fixing the vibration frame 1042, a plurality of third connecting rods 108 are disposed below the vibration frame 1042 located below the casting and along the width direction of the vibration frame 1042, two ends of the third connecting rods 108 are fixedly connected with the lower surface of the vibration frame 1042 through a first fixing plate 109, a second fixing plate 110 is disposed in the middle of the third connecting rods 108, the upper surface of the second fixing plate 110 is connected with the vibration frame 1042 through a plurality of struts 111, and one end of the vibration frame 1042 through the second fixing plate 110 is fixedly connected with the second plate spring 304 which is close to the casting and far from the turntable 102.

In some embodiments, as shown in fig. 8 and 9, the present structure further includes a centering device 4, where the centering device 4 includes two cylinders 401 disposed along the length direction of the vibration frame 1042 and having opposite telescopic ends, the fixed ends of the two cylinders 401 are fixedly connected to the second bracket 104, and the telescopic ends of the two cylinders 401 are fixedly connected to the vibration frame 1042 through a third fixing plate 402. In this embodiment, the centering device 4 is set by fine tuning the vibration frame 1042 so that the starting position and the stopping position of the castings are kept consistent, thereby ensuring that the apparatus is more suitable for the automatic production of post-treatment of castings.

In some embodiments, as shown in fig. 10 and 11, there is also provided a core vibrating machine comprising: the base 501, the base 501 is provided with the shake-out structure according to any one of the above embodiments. In this embodiment, the gear motor 101 is disposed on the base through the motor base 502, and the base below the casting is further provided with a sand guiding device 601 for catching the broken sand core.

Working principle: when the sand core is required to be removed from the casting, the casting is fixed on the vibration frame 1042, at this moment, the vibration source 2 starts to work, exciting force is provided for the whole vibration shakeout structure, under the action of exciting force, the sand core on the casting and the sand core inside the casting are subjected to vibration crushing treatment, the sand core after vibration crushing falls into the sand guiding device below, a small amount of sand core left on the casting and the sand core inside the casting is left, the rotating disc 102 is driven to rotate through the gear motor 101, so that the support and the casting arranged on the support are turned over, the left sand core is poured into the sand guiding device below, when the sand removal is completed, the vibration source 2 stops working, and the casting can be subjected to a post-treatment procedure.

In the above embodiment, as shown in fig. 1, 2 and 5, the vibration source 2 may be a vibration device, where the vibration device includes a driving motor 201 and a rotating shaft 202, the driving motor 201 is fixedly connected with a bracket, an output end of the driving motor 201 is in transmission connection with the rotating shaft 202, specifically, the driving motor 201 drives the rotating shaft 202 to rotate through a synchronous pulley 2013, the rotating shaft 202 is vertically disposed between the first bracket 103 and the third bracket 105, a middle part of the rotating shaft 202 is fixedly connected with the second bracket 104, specifically, a vibration frame 1042 in the second bracket 104 through a bearing block 203, and an eccentric wheel 204 is disposed on the rotating shaft 202, that is, the rotating shaft 202 is driven by the driving motor 201 to rotate, so as to drive the eccentric block to rotate, generate an exciting force, and drive the vibration frame 1042 to vibrate. The driving motor 201 starts to work, drives the rotating shaft 202 to rotate, and drives the eccentric blocks arranged on the rotating shaft to rotate, so that exciting force is generated, and when the magnitude of the exciting force needs to be adjusted, only the magnitude or the number of the eccentric blocks need to be replaced. Of course, in different embodiments, the seismic source 2 may also be a vibration motor or other vibration device or apparatus that can drive the vibration frame 1042 to vibrate.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solution, directly or indirectly, to other relevant technical fields, all of which are included in the scope of the utility model.

Claims (10)

1. A vibration shakeout structure, comprising: a gear motor, a vibration source and a vibration damping device;

the end part of the output end of the speed reducing motor is provided with a rotary table, one side of the rotary table, which is far away from the speed reducing motor, is provided with a plurality of supports, each support comprises a first support, a second support and a third support which are sequentially arranged from top to bottom, one ends of the first support, the second support and the third support, which are close to the rotary table, are respectively connected with the rotary table, the first support is connected with the second support through a first connecting rod, the second support is connected with the third support through a second connecting rod, and the second support is used for fixing castings;

the vibration source is arranged on the support and used for providing vibration;

the damping device comprises a first damping device and a second damping device, a plurality of groups of first damping devices are symmetrically arranged on two sides of the upper surface of the second support, the top end of the first damping device is connected with the first support, a plurality of groups of second damping devices are symmetrically arranged on two sides of the upper surface of the third support, and the top end of the second damping device is connected with the second support.

2. The shakeout structure of claim 1, wherein: the damping device further comprises a first plate spring and a second plate spring, the first plate springs are connected between the symmetrical first damping devices through the vertical arrangement, and the second plate springs are connected between the symmetrical second damping devices through the vertical arrangement.

3. The shakeout structure of claim 2, wherein: be equipped with first tie-beam between two first leaf springs near the focus, the both ends of first tie-beam are connected with two first leaf spring middle parts respectively, are equipped with the second tie-beam between two second leaf springs near the focus, the both ends of second tie-beam are connected with two second leaf spring middle parts respectively.

4. A shakeout structure according to claim 3, wherein: the first connecting beam and the second connecting beam are fixedly connected through bolts.

5. A shakeout structure according to claim 3, wherein: the second support includes mount and vibrations frame, mount and vibrations frame fixed connection, the one end and the carousel of mount are connected, first bradyseism ware and head rod are located on the mount, the focus is used for driving vibrations frame vibrations, the foundry goods is located on the vibrations frame, is equipped with the vibrations frame one end of foundry goods and is close to the foundry goods, and keep away from the second leaf spring fixed connection of carousel.

6. The shakeout structure of claim 5, wherein: the first connecting beam and the second connecting beam are respectively and fixedly arranged on the upper surface and the lower surface of the vibration frame.

7. The shakeout structure of claim 5, wherein: the vibration frame below that is located the foundry goods below is equipped with a plurality of third connecting rods that set up along vibration frame width direction, the both ends of third connecting rod are through the lower fixed surface connection of first fixed plate and vibration frame, and the middle part of third connecting rod is equipped with the second fixed plate, and the upper surface of second fixed plate is connected with vibration frame through a plurality of pillars, vibration frame is through the one end of second fixed plate and be close to the foundry goods, and keep away from the second leaf spring fixed connection of carousel.

8. The shakeout structure of claim 5, wherein: still include centring means, centring means includes two cylinders that follow vibrations frame length direction, and flexible end set up relatively, the stiff end of two cylinders respectively with second support fixed connection, the flexible end tip of two cylinders passes through third fixed plate and vibrations frame fixed connection.

9. A core vibrating machine, comprising: a base on which is provided a vibrating shakeout structure as claimed in any one of claims 1 to 8.

10. The core vibrating machine as recited in claim 9, wherein: the gear motor is arranged on the base through the motor seat, and the base below the casting is also provided with a sand guiding device.

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