CN216989787U

CN216989787U - Compaction device for sand casting

Info

Publication number: CN216989787U
Application number: CN202220820435.0U
Authority: CN
Inventors: 任振府; 徐大龙; 晏亮亮
Original assignee: Jingdezhen Zhongda Aviation Foundry Co ltd
Current assignee: Jingdezhen Zhongda Aviation Foundry Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-19
Anticipated expiration: 2032-04-11

Abstract

The utility model provides a compaction device for sand casting, which comprises a base, wherein a strip-shaped plate is arranged above the base and is parallel to the base, a compaction plate is arranged below the strip-shaped plate and is parallel to the strip-shaped plate, first guide rods are arranged at four corners of the top of the compaction plate and are perpendicular to the compaction plate, the top of each first guide rod penetrates through the strip-shaped plate through a linear bearing, a first compression spring is sleeved on each first guide rod, one end of each first compression spring is fixedly connected with the compaction plate, the other end of each first compression spring is fixed at the bottom of the strip-shaped plate, and a first limiting plate is coaxially arranged at the top of each first guide rod. When the sand compaction device is used, the eccentric wheel is driven to rotate through the operation of the driving motor, the top of the compaction plate is repeatedly knocked, the compaction plate can better limit and compact sand in the die box conveniently, the labor loss of workers is reduced, and meanwhile the real-time uniformity of the sand pressure in the knocking process is ensured.

Description

Compaction device for sand casting

Technical Field

The utility model belongs to the technical field of sand casting, and particularly relates to a compaction device for sand casting.

Background

The sand casting is a casting method for producing castings in sand molds, and because the molding materials used for sand casting are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, and can adapt to single-piece production, batch production and mass production of castings, and the method is a basic process in casting production for a long time. But at present, when the sand in the mould is pressed, manual knocking is mostly adopted, so that the workload of manual labor is increased, and the condition that the uniformity of sand compaction is different due to different forces often occurs, so that the quality of sand casting is influenced. To this end, we propose a compacting apparatus for sand casting to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a compaction device for sand casting.

The technical scheme of the utility model is realized as follows: a compaction device for sand casting comprises a base, wherein a strip-shaped plate is arranged above the base and parallel to the base, a compaction plate is arranged below the strip-shaped plate and parallel to the strip-shaped plate, first guide rods are arranged at four corners of the top of the compaction plate and perpendicular to the compaction plate, the top of each first guide rod penetrates through the strip-shaped plate through a linear bearing, a first compression spring is sleeved on each first guide rod, one end of each first compression spring is fixedly connected with the compaction plate, the other end of each first compression spring is fixed to the bottom of the strip-shaped plate, and a first limiting plate is coaxially arranged at the top of each first guide rod;

two bar grooves have been seted up to the bilateral symmetry of bar shaped plate, and the bar groove runs through the bar shaped plate, the length direction of bar inslot edge bar shaped plate is equipped with driving motor, and two driving motor set up relatively, and one that driving motor is relative serves coaxial arrangement has the eccentric wheel, and the eccentric wheel is located the top of compacting plate, and perpendicular to compacting plate.

Preferably, a first U-shaped plate is arranged above the base, the first U-shaped plate is vertically arranged in an inverted manner, the bottoms of the two sides of the first U-shaped plate are respectively and vertically fixed on the two sides of the base, a lead screw is arranged at one end of the strip-shaped plate through a screw thread, the lead screw is perpendicular to the strip-shaped plate, the top of the lead screw is connected with the first U-shaped plate through a rotating bearing, a support rod is coaxially arranged at the bottom of the lead screw, and the bottom of the support rod is connected with the base through a rotating bearing;

the top coaxial arrangement of bracing piece has first conical gear, one side of first conical gear is equipped with second conical gear, the first conical gear of second conical gear perpendicular to, and second conical gear is connected with the meshing of first conical gear, one side coaxial arrangement that first conical gear was kept away from to second conical gear has the dwang, and the dwang passes through first U type board through rolling bearing to be connected with the handle.

Preferably, install second U template through rolling bearing on the dwang, second U template vertical fixation is on the side of first U template, the one end coaxial arrangement that first U template was kept away from to the dwang has the ratchet, and the ratchet is located between second U template and the handle, the pawl is installed in the top meshing of ratchet, the pivot is installed in the top rotation of pawl, and pivot vertical fixation is on second U template, the torsional spring has been cup jointed in the pivot, and the one end of torsional spring is fixed on second U template, and the other end and pawl fixed connection.

Preferably, a pull rod is arranged above the pawl and is vertical to the upper surface of the pawl.

Preferably, the one end that the lead screw was kept away from to the bar shaped plate is installed the second guide bar through linear bearing, second guide bar perpendicular to bar shaped plate, and the both ends of second guide bar respectively with first U template and base fixed connection.

Preferably, the below of compacting plate is equipped with the backup pad, and the standing groove is installed at the top of backup pad, placed the mould box in the standing groove, the mould box is corresponding with the compacting plate, four edges of backup pad all install the third guide bar through linear bearing, third guide bar perpendicular to backup pad, and the bottom vertical fixation of third guide bar is on the base, the second compression spring has been cup jointed on the third guide bar, and the one end of second compression spring is fixed on the base, and the other end and backup pad fixed connection, the top coaxial arrangement of third guide bar has the second limiting plate.

Compared with the prior art, when the sand compaction device is used, the eccentric wheel is driven to rotate through the operation of the driving motor, the top of the compaction plate is repeatedly knocked, the compaction plate can conveniently and well limit and compact sand in the mold box, the labor loss of workers is reduced, and meanwhile the real-time uniformity of sand pressure in the knocking process is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a sand casting compacting apparatus according to the present invention;

fig. 2 is a schematic structural diagram of a ratchet wheel of the compaction device for sand casting provided by the utility model.

In the figure: 1. a base; 2. a first U-shaped plate; 3. a screw rod; 4. a support bar; 5. a strip plate; 6. compacting the plate; 7. a first guide bar; 8. a first compression spring; 9. a strip-shaped groove; 10. a drive motor; 11. an eccentric wheel; 12. a first limit plate; 13. a first bevel gear; 14. a second bevel gear; 15. rotating the rod; 16. a second U-shaped plate; 17. a ratchet wheel; 18. a pawl; 19. a rotating shaft; 20. a torsion spring; 21. a handle; 22. a pull rod; 23 a second guide bar; 24. a support plate; 25. a placement groove; 26. a mold box; 27. a third guide bar; 28. a second compression spring; 29. and a second limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a compaction device for sand casting comprises a base 1, wherein a strip-shaped plate 5 is arranged above the base 1, the strip-shaped plate 5 is parallel to the base 1, a compaction plate 6 is arranged below the strip-shaped plate 5, the compaction plate 6 is parallel to the strip-shaped plate 5, first guide rods 7 are arranged at four corners of the top of the compaction plate 6, the first guide rods 7 are perpendicular to the compaction plate 6, the top of each first guide rod penetrates through the strip-shaped plate 5 through a linear bearing, a first compression spring 8 is sleeved on each first guide rod 7, one end of each first compression spring 8 is fixedly connected with the compaction plate 6, the other end of each first compression spring is fixed at the bottom of the strip-shaped plate 5, and a first limiting plate 12 is coaxially arranged at the top of each first guide rod 7;

two bar grooves 9 have been seted up to bar 5's bilateral symmetry, and bar groove 9 runs through bar 5, the length direction along bar 5 is equipped with driving motor 10 in bar groove 9, and two driving motor 10 set up relatively, and one relative of driving motor 10 serves coaxial arrangement has eccentric wheel 11, and eccentric wheel 11 is located the top of compacting plate 6, and perpendicular to compacting plate 6.

Specifically, through driving motor 10's function, drive eccentric wheel 11 and rotate, beat 6 tops of compacting plate repeatedly, the compacting plate 6 of being convenient for better carries out spacing compaction to the sand in the mould box 26, has reduced artificial labour's loss, has also guaranteed simultaneously to beat the real-time degree of consistency of in-process sand pressure.

Further, a first U-shaped plate 2 is arranged above the base 1, the first U-shaped plate 2 is vertically arranged in an inverted manner, the bottoms of the two sides of the first U-shaped plate 2 are respectively and vertically fixed on the two sides of the base 1, a lead screw 3 is installed at one end of each strip-shaped plate 5 through a screw thread, the lead screw 3 is perpendicular to the strip-shaped plate 5, the top of the lead screw 3 is connected with the first U-shaped plate 2 through a rotating bearing, a support rod 4 is coaxially installed at the bottom of the lead screw 3, and the bottom of the support rod 4 is connected with the base 1 through a rotating bearing;

the top coaxial arrangement of bracing piece 4 has first conical gear 13, one side of first conical gear 13 is equipped with second conical gear 14, the first conical gear 13 of second conical gear 14 perpendicular to, and second conical gear 14 is connected with the meshing of first conical gear 13, one side coaxial arrangement that first conical gear 13 was kept away from to second conical gear 14 has dwang 15, and dwang 15 runs through first U type board 2 through rolling bearing to be connected with handle 21.

Specifically, the handle 21 is rotated, and the first bevel gear 13 and the second bevel gear 14 are meshed and connected to drive the screw rod 3 to rotate, so that the lifting control of the compacting plate 6 is realized, and the sand in the mold box 26 is compacted.

Further, install second U template 16 through rolling bearing on the dwang 15, second U template 16 vertical fixation is on the side of first U template 2, the one end coaxial arrangement that the dwang 15 kept away from first U template 2 has ratchet 17, and ratchet 17 is located between second U template 16 and handle 21, ratchet 18 is installed in the meshing of ratchet 17's top, the top of pawl 18 is rotated and is installed pivot 19, and pivot 19 vertical fixation is on second U template 16, cup jointed torsional spring 20 on the pivot 19, the one end of torsional spring 20 is fixed on second U template 16, and the other end and pawl 18 fixed connection, through ratchet 17 and pawl 18 meshing connection, cooperation pawl 18 is under torsional force of torsional spring 20, and too big to strip 5 because of self gravity, and compel lead screw 3 to take place to rotate, makes strip 5 automatic whereabouts, influences the ejection of compact process of mould box 26 and prescribes a limit, when avoiding leading to the staff to get the material, strip shaped plate 5 nothing falls, causes the injured condition of staff to take place.

Furthermore, a pull rod 22 is installed above the pawl 18, the pull rod 22 is perpendicular to the upper surface of the pawl 18, and an operator can conveniently pull the pawl 18 through the pull rod 22 to enable the pawl 18 to be out of the range of the ratchet wheel 17, so that the downward-adjusting compaction operation can be performed on the compaction plate 6.

Further say, the one end that lead screw 3 was kept away from to strip shaped plate 5 is passed through linear bearing and is installed second guide bar 23, and second guide bar 23 perpendicular to strip shaped plate 5, and the both ends of second guide bar 23 respectively with first U template 2 and base 1 fixed connection, through second guide bar 23, carry on spacingly to strip shaped plate 5's lift, guarantee that strip shaped plate 5 moves along the length direction of lead screw 3 all the time.

Furthermore, a supporting plate 24 is arranged below the compacting plate 6, a placing groove 25 is arranged at the top of the supporting plate 24, a mold box 26 is arranged in the placing groove 25, the mold box 26 corresponds to the compacting plate 6, third guide rods 27 are arranged at four corners of the supporting plate 24 through linear bearings, the third guide rods 27 are perpendicular to the supporting plate 24, the bottom of the third guide rods 27 is vertically fixed on the base 1, second compression springs 28 are sleeved on the third guide rods 27, one end of each second compression spring 28 is fixed on the base 1, the other end of each second compression spring 28 is fixedly connected with the supporting plate 24, second limiting plates 29 are coaxially arranged at the top of the third guide rods 27, and through the combined action of the second compression springs 28 and the first compression springs 8, namely under the premise that the compacting action is not influenced, the buffer is provided for the pressing-down process of the compacting plate 6, so that the supporting component of the compacting plate 6 and the supporting component of the mold box 26 are protected, meanwhile, when the compacting plate 6 is beaten, the whole mold box 26 and the compacting plate 6 are driven to move upwards through the elastic action of the first compression spring 8 and the second compression spring 28, and the compacting plate 6 and the mold box 26 form a bidirectional force extruding towards the middle part by matching with the next rotary beating of the eccentric wheel 11, so that the compacting effect of sand in the mold box 26 is enhanced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compaction device for sand casting, includes base (1), its characterized in that: the improved structure of the hydraulic press is characterized in that a strip-shaped plate (5) is arranged above the base (1), the strip-shaped plate (5) is parallel to the base (1), a compacting plate (6) is arranged below the strip-shaped plate (5), the compacting plate (6) is parallel to the strip-shaped plate (5), first guide rods (7) are installed at four corners of the top of the compacting plate (6), the first guide rods (7) are perpendicular to the compacting plate (6), the top of each first guide rod penetrates through the strip-shaped plate (5) through linear bearings, first compression springs (8) are sleeved on the first guide rods (7), one ends of the first compression springs (8) are fixedly connected with the compacting plate (6), the other ends of the first compression springs are fixed to the bottom of the strip-shaped plate (5), and first limiting plates (12) are coaxially installed at the tops of the first guide rods (7);

two bar grooves (9) have been seted up to the bilateral symmetry of bar board (5), and bar groove (9) run through bar board (5), the length direction along bar board (5) is equipped with driving motor (10) in bar groove (9), and two driving motor (10) set up relatively, and one relative of driving motor (10) serves coaxial arrangement has eccentric wheel (11), and eccentric wheel (11) are located the top of compacting plate (6), and perpendicular to compacting plate (6).

2. The compaction device for sand casting according to claim 1, wherein a first U-shaped plate (2) is arranged above the base (1), the first U-shaped plate (2) is vertically arranged in an inverted manner, the bottom parts of the two sides of the first U-shaped plate (2) are respectively and vertically fixed on the two sides of the base (1), one end of the strip-shaped plate (5) is provided with a screw rod (3) through a nut thread, the screw rod (3) is vertical to the strip-shaped plate (5), the top of the screw rod (3) is connected with the first U-shaped plate (2) through a rotating bearing, the bottom of the screw rod (3) is coaxially provided with a support rod (4), and the bottom of the support rod (4) is connected with the base (1) through a rotating bearing;

the top coaxial arrangement of bracing piece (4) has first conical gear (13), one side of first conical gear (13) is equipped with second conical gear (14), and first conical gear (13) of second conical gear (14) perpendicular to, and second conical gear (14) are connected with first conical gear (13) meshing, one side coaxial arrangement that first conical gear (13) were kept away from in second conical gear (14) has dwang (15), and dwang (15) run through first U type board (2) through rolling bearing to be connected with handle (21).

3. The compaction device for sand casting according to claim 2, characterized in that, install second U template (16) through rolling bearing on dwang (15), second U template (16) vertical fixation is on the side of first U template (2), the one end coaxial arrangement that first U template (2) was kept away from in dwang (15) has ratchet (17), and ratchet (17) are located between second U template (16) and handle (21), pawl (18) are installed in the top meshing of ratchet (17), pivot (19) are installed in the top rotation of pawl (18), and pivot (19) vertical fixation is on second U template (16), torsional spring (20) have been cup jointed on pivot (19), and the one end of torsional spring (20) is fixed on second U template (16), and the other end and pawl (18) fixed connection.

4. A compacting apparatus for sand casting according to claim 3, characterized in that a pull rod (22) is mounted above said pallets (18), said pull rod (22) being perpendicular to the upper surface of said pallets (18).

5. The compacting device for sand casting according to claim 1, wherein a second guide rod (23) is installed at one end of the strip-shaped plate (5) far away from the screw rod (3) through a linear bearing, the second guide rod (23) is perpendicular to the strip-shaped plate (5), and two ends of the second guide rod (23) are fixedly connected with the first U-shaped plate (2) and the base (1) respectively.

6. A compacting apparatus for sand casting according to claim 1, characterized in that a support plate (24) is provided below the compacting plate (6), a placing groove (25) is provided on the top of the support plate (24), a mould box (26) is arranged in the placing groove (25), the mould box (26) corresponds to the compacting plate (6), the four corners of the supporting plate (24) are all provided with third guide rods (27) through linear bearings, the third guide rods (27) are vertical to the supporting plate (24), the bottom of the third guide rod (27) is vertically fixed on the base (1), a second compression spring (28) is sleeved on the third guide rod (27), one end of the second compression spring (28) is fixed on the base (1), and the other end is fixedly connected with the supporting plate (24), and a second limiting plate (29) is coaxially arranged at the top of the third guide rod (27).