CN203621410U - Sand box lifting gear - Google Patents
Sand box lifting gear Download PDFInfo
- Publication number
- CN203621410U CN203621410U CN201320870579.8U CN201320870579U CN203621410U CN 203621410 U CN203621410 U CN 203621410U CN 201320870579 U CN201320870579 U CN 201320870579U CN 203621410 U CN203621410 U CN 203621410U
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- Prior art keywords
- bar
- gear
- sandbox
- sand box
- lifting
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- Expired - Fee Related
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Abstract
The utility model discloses a sand box lifting gear, comprising a base and a foot stool fixed at the periphery of the base, wherein the top of the foot stool is connected with a template for placement of the sand box. The sand box lifting gear also comprises a lifter for prompting the sand box to lift, wherein the lifter comprises a lifting mechanism and a drive mechanism; the lifting mechanism comprises a top box rod, a top plate and a rack, which are orderly connected from top to bottom; a lifting hole through which the upper end of the top box rod passes is formed on the template; the top box rod can move along the axial direction of the lifting hole; the drive mechanism comprises a gear in meshing drive with the rack, and a gear shaft for driving the gear to rotate. By adopting the sand box lifting gear, stable drive of the sand box is achieved by matching of the lifting mechanism and the drive mechanism; firstly, the sand box is placed on the template when the sand box lifting gear is used; the condition that the edge of the sand box is arranged on the top box rod is ensured; the top box rod moves up and down when the gear shaft receives external force to rotate; the sand box carries out lifting movement and then enters a subsequent modeling procedure; the overall process does not need a cylinder or a hydraulic cylinder to drive. Thus, the manufacturing cost is reduced, and energy conservation and environment protection are achieved.
Description
Technical field
The utility model relates to a kind of casting and molding device, particularly a kind of sandbox lowering or hoisting gear.
Background technology
In traditional box moulding, the handover of sandbox needs manual operation, not only causes that labor strength is large, inefficiency, and easily destroys in type moulding, requires workman to have higher operating experience and skill.For this reason, a lot of devices that manually-operated sandboxes are transferred that substitute are there are, have had and adopt cylinder-driven from lower lifting sandbox also have hydraulic cylinder transmission from lower lifting sandbox.But, because general cylinder or hydraulic cylinder there are differences driving in synchronism, easily cause sand mold displacement, affect the precision of follow-up product depanning, the cylinder that synchronism is good or hydraulic cylinder need to coordinate complicated jacking system to use, it is with high costs, is unfavorable for promoting in medium-sized and small enterprises; And the spent electric energy of cylinder or hydraulic cylinder is larger, the noise simultaneously causing and pollution are also larger, are unfavorable for energy-conserving and environment-protective.
Therefore, be necessary to develop a kind of sandbox lowering or hoisting gear, its simple in structure, convenient operation, drives without cylinder or hydraulic cylinder, significantly reduces cost of manufacture, accomplishes energy-conserving and environment-protective, and it is moving to move to save field with making place.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of sandbox lowering or hoisting gear, its simple in structure, convenient operation, drive without cylinder or hydraulic cylinder, significantly reduce cost of manufacture, accomplish energy-conserving and environment-protective, and it is moving to move to save field with making place.
Sandbox lowering or hoisting gear of the present utility model, comprise base and the foot rest that is fixed on described perimeter, described foot rest top is connected with the template for placing sandbox, also comprise the lifter for impelling sandbox lifting, described lifter comprises elevating mechanism and transmission mechanism, described elevating mechanism comprises the top case bar connecting successively from top to bottom, top board and tooth bar, described template is provided with the lift span and the described top case bar that pass for the upper end of described top case bar can be along the axially-movable of described lift span, described transmission mechanism comprises with the gear of described tooth bar engaged transmission and for driving the gear shaft of described gear rotation.
Further, described base is provided with the crossbeam that is positioned at described gear both sides, the one-body molded holder that is useful on fixing described gear shaft on described crossbeam, between described crossbeam, connecting plate is set, on described connecting plate, have rach slot, the lower end of described tooth bar also can move up and down along described rach slot through described rach slot.
Further, described gear shaft is connected with the operator for driving described gear shaft rotation.
Further, described operator is to be vertically connected on described gear shaft to stretch out the straight-bar of one end of described base, and described foot rest is provided with and can turns to the tracks of described straight-bar and stop described straight-bar to continue the block piece of motion.
Further, described top case bar is that longitudinal section is "T"-shaped round bar and comprises bar head and shaft, and the diameter of described bar head is greater than the diameter of described lift span, and the lower end of described shaft is provided with external screw thread, and described top board is provided with the connecting screw hole being connected with described shaft.
Further, the quantity of described top case bar is four and along circumferentially evenly the arranging of described top board, described rack welding is in the bottom center of described top board.
Further, described base is square, and the quantity of described foot rest is four and is distributed in four corner positions of described base, and described base and described foot rest are one-body molded.
The beneficial effects of the utility model: sandbox lowering or hoisting gear of the present utility model, realize the steady transmission of sandbox by the cooperation of elevating mechanism and transmission mechanism, when use, first sandbox be placed in template and guarantee that the edge of sandbox is positioned on the case bar of top, in the time that accepting external force rotation, gear shaft will cause moving up and down of top case bar, sandbox moves up and down thereupon and enters follow-up moulding operation, whole process drives without cylinder or hydraulic cylinder, significantly reduces cost of manufacture, accomplishes energy-conserving and environment-protective; The utility model is simple in structure, easy to use, is extremely adapted at the medium-sized and small enterprises that automaticity is not high and applies.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is top view of the present utility model;
Fig. 4 is upward view of the present utility model.
The specific embodiment
Fig. 1 is front view of the present utility model, Fig. 2 is left view of the present utility model, Fig. 3 is top view of the present utility model, Fig. 4 is upward view of the present utility model, as shown in the figure: the sandbox lowering or hoisting gear of the present embodiment, comprise base 1 and the foot rest 2 that is fixed on described base 1 periphery, described foot rest 2 tops are connected with the template 3 for placing sandbox, also comprise the lifter for impelling sandbox lifting, described lifter comprises elevating mechanism and transmission mechanism, described elevating mechanism comprises the top case bar 41 connecting successively from top to bottom, top board 42 and tooth bar 43, described template 3 is provided with the lift span 3a and the described top case bar 41 that pass for the upper end of described top case bar 41 can be along the axially-movable of described lift span 3a, described transmission mechanism comprises and the gear 51 of described tooth bar 43 engaged transmission and the gear shaft 52 for driving described gear 51 to rotate, foot rest 2 is connected with base 1 is vertical, and the bottom of foot rest 2 contacts and support whole lowering or hoisting gear with ground, and the height of many foot rests 2 is consistent, makes the template 3 at foot rest 2 tops parallel with horizontal plane, between base 1, foot rest 2 and template 3, enclose the workspace of lifter, in elevating mechanism, what directly contact with sandbox is the top of top case bar 41, and many top case bars 41 connect template 3 and top board 42, and top board 42 is driven by moving up and down of tooth bar 43 and is synchronized with the movement, therefore also drive being synchronized with the movement of many top case bars 41, guaranteed the smoothness of sandbox lifting, in transmission mechanism, gear 51 can intermesh to transmit motion and power with tooth bar 43, and the power of gear 51 derives from the rotation of gear shaft 52, and gear shaft 52 can, by manual drive, also can provide the power source of power to drive by other, when use, first sandbox be placed in template 3 and guarantee that the edge of sandbox is positioned on top case bar 41, in the time that accepting external force rotation, gear shaft 52 will cause moving up and down of top case bar 41, sandbox moves up and down thereupon and enters follow-up moulding operation, whole process drives without cylinder or hydraulic cylinder, significantly reduce cost of manufacture, accomplish energy-conserving and environment-protective, this sandbox lifting device structure is simple, easy to use, is extremely adapted at the medium-sized and small enterprises that automaticity is not high and applies.
In the present embodiment, described base 1 is provided with the crossbeam 11 that is positioned at described gear 51 both sides, the one-body molded holder 11a that is useful on fixing described gear shaft 52 on described crossbeam 11, between described crossbeam 11, connecting plate 11b is set, on described connecting plate, have rach slot 11c, the lower end of described tooth bar 43 also can move up and down along described rach slot 11c through described rach slot 11c; Crossbeam 11 is one-body molded with base 1, not only can support teeth wheel shaft 51, and the structural strength of simultaneously also having reinforced base 1; Holder 11a can be bearing block, to guarantee the fixing and transmission effect of gear shaft 52; Connecting plate 11b is mainly used in the lower end of stationary rack 43, guarantees the normal transmission of tooth bar 43 and gear 51, the slip of rach slot 11c restriction tooth bar 43.
In the present embodiment, described gear shaft 52 is connected with the operator for driving described gear shaft 52 to rotate; Operator can be handle, can be also handwheel, as long as can be convenient to, gear shaft 52 is applied to power.
In the present embodiment, described operator is to be vertically connected on described gear shaft 52 to stretch out the straight-bar 6 of one end of described base 1, and described foot rest 2 is provided with and can turns to the tracks of described straight-bar 6 and stop described straight-bar 6 to continue the block piece 7 of motion; Straight-bar 6 is connected with the end of gear shaft 52, and for increasing bonding strength, straight-bar 6 can be one-body molded with gear shaft 52; When use, only need utilize the end application of force of staff from straight-bar 6, can easily promote gear 51 according to lever principle and rotate; Block piece 7 can be the rotary type handle pin that is connected to foot rest 2 middle and upper parts, in the time carrying out descending operation, handle pin is threaded to the length direction of foot rest 2, the width that is threaded to foot rest 2 in the time need to limiting the motion of straight-bar 6, it is easy and simple to handle and effect is remarkable; Certainly, foot rest 2 can also be offered the groove that the direction of motion of block piece 7 is had to restriction to prevent from stopping inefficacy.
In the present embodiment, described top case bar 41 is "T"-shaped round bar and comprises bar head 411 and shaft 412 for longitudinal section, the diameter of described bar head 411 is greater than the diameter of described lift span 3a, the lower end of described shaft 412 is provided with external screw thread 412a, and described top board 42 is provided with the connecting screw hole 412a being connected with described shaft 412; Before top case bar 41 is not connected with top board 42, by the restriction of bar head 411, top case bar 41 is hung below template 3; Case bar 41 lower ends, top are threaded with top board 42, make it possible at any time the depth of parallelism of top board 42 be adjusted, and avoid having caused the deviation of die process, guarantee the degree of accuracy of moulding.
In the present embodiment, the quantity of described top case bar 41 is four and along circumferentially evenly the arranging of described top board 42, described tooth bar 43 is welded on the bottom center of described top board 42; Top board 42 is square plate, circumferentially evenly arrange and refer to that every top case bar 41 is all positioned at the drift angle place of top board 42 and symmetrical between two, with guarantee stressed evenly; Tooth bar 43 adopts welding manner, and connective stability is strong.
In the present embodiment, described base 1 is square, and the quantity of described foot rest 2 is four and is distributed in four corner positions of described base 1, and described base 1 is one-body molded with described foot rest 2; Base 1 can be both square, also can rectangle; Base 1 can adopt angle steel material to make with foot rest 2, and manufacture process is simple, is conducive to save manufacturing cost; 2 of equally distributed foot rests are conducive to keep the smoothness of support.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. a sandbox lowering or hoisting gear, comprise base and the foot rest that is fixed on described perimeter, described foot rest top is connected with the template for placing sandbox, it is characterized in that: also comprise the lifter for impelling sandbox lifting, described lifter comprises elevating mechanism and transmission mechanism, described elevating mechanism comprises the top case bar connecting successively from top to bottom, top board and tooth bar, described template is provided with the lift span and the described top case bar that pass for the upper end of described top case bar can be along the axially-movable of described lift span, described transmission mechanism comprises with the gear of described tooth bar engaged transmission and for driving the gear shaft of described gear rotation.
2. sandbox lowering or hoisting gear according to claim 1, it is characterized in that: described base is provided with the crossbeam that is positioned at described gear both sides, the one-body molded holder that is useful on fixing described gear shaft on described crossbeam, between described crossbeam, connecting plate is set, on described connecting plate, have rach slot, the lower end of described tooth bar also can move up and down along described rach slot through described rach slot.
3. sandbox lowering or hoisting gear according to claim 2, is characterized in that: described gear shaft is connected with the operator for driving described gear shaft rotation.
4. sandbox lowering or hoisting gear according to claim 3, it is characterized in that: described operator is to be vertically connected on described gear shaft to stretch out the straight-bar of one end of described base, and described foot rest is provided with and can turns to the tracks of described straight-bar and stop described straight-bar to continue the block piece of motion.
5. according to the sandbox lowering or hoisting gear described in any one in claim 1 to 4, it is characterized in that: described top case bar is that longitudinal section is "T"-shaped round bar and comprises bar head and shaft, the diameter of described bar head is greater than the diameter of described lift span, the lower end of described shaft is provided with external screw thread, and described top board is provided with the connecting screw hole being connected with described shaft.
6. sandbox lowering or hoisting gear according to claim 5, is characterized in that: the quantity of described top case bar is four and along circumferentially evenly the arranging of described top board, described rack welding is in the bottom center of described top board.
7. sandbox lowering or hoisting gear according to claim 6, is characterized in that: described base is square, and the quantity of described foot rest is four and is distributed in four corner positions of described base, and described base and described foot rest are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870579.8U CN203621410U (en) | 2013-12-26 | 2013-12-26 | Sand box lifting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870579.8U CN203621410U (en) | 2013-12-26 | 2013-12-26 | Sand box lifting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621410U true CN203621410U (en) | 2014-06-04 |
Family
ID=50807930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870579.8U Expired - Fee Related CN203621410U (en) | 2013-12-26 | 2013-12-26 | Sand box lifting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203621410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226931A (en) * | 2014-09-24 | 2014-12-24 | 赵新春 | Casting sand box |
| CN112389474A (en) * | 2019-08-14 | 2021-02-23 | 中车青岛四方车辆研究所有限公司 | Mechanical lifting device |
-
2013
- 2013-12-26 CN CN201320870579.8U patent/CN203621410U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226931A (en) * | 2014-09-24 | 2014-12-24 | 赵新春 | Casting sand box |
| CN112389474A (en) * | 2019-08-14 | 2021-02-23 | 中车青岛四方车辆研究所有限公司 | Mechanical lifting device |
| CN112389474B (en) * | 2019-08-14 | 2021-11-02 | 中车青岛四方车辆研究所有限公司 | Mechanical lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |