CN109175119B - Linear lifting push-pull mechanism - Google Patents
Linear lifting push-pull mechanism Download PDFInfo
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- CN109175119B CN109175119B CN201810998244.1A CN201810998244A CN109175119B CN 109175119 B CN109175119 B CN 109175119B CN 201810998244 A CN201810998244 A CN 201810998244A CN 109175119 B CN109175119 B CN 109175119B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
- B21D37/147—Tool exchange carts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention relates to a novel linear lifting push-pull mechanism, which comprises a sliding table, a roller table, a lifting assembly and a drag hook assembly, wherein the sliding table comprises two sliding rails and a supporting table, and two sides of the supporting table are arranged on the sliding rails in a sliding manner; the roller tables are in two groups and are respectively arranged on the outer sides of the two sliding rails in the width direction, and the roller tables are higher than the supporting tables; one end of the lifting component is fixed on the lower end surface of the supporting table, and the movable end of the lifting component can vertically stretch and retract to penetrate through the supporting table; the drag hook assembly is used for pulling and pushing the die/tool; the height movement range of the lifting component and the drag hook component is defined as follows: when the movable end of the lifting assembly moves upwards to the highest position, the draw hook assembly is higher than the plane of the hook seat of the tool; when the movable end of the lifting assembly moves downwards to the lowest position, the drag hook assembly is lower than the plane of the roller table. The invention reduces the labor intensity of operators, saves the field, reduces the safety risk and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of mold/tooling mold changing, in particular to a novel linear lifting push-pull mechanism.
Background
In the existing machining field, more and more machine tool machining means are adopted to improve production efficiency and reduce rejection rate, so that a large number of dies/tools are adopted, the dies/tools need to be replaced in product mold changing production, and the conventional die changing is generally carried out by adopting the modes of crown block hoisting, forklift carrying, manual lifting platform and the like. The mode of die change occupies a great deal of manpower, material resources and time, and the safety and quality of the die change process cannot be completely guaranteed.
Disclosure of Invention
The invention aims at providing a novel linear lifting push-pull mechanism aiming at the current situation.
The invention adopts the technical scheme that: the utility model provides a novel straight line lift push-and-pull mechanism, includes slip table, roller platform, lifting assembly and drag hook subassembly, wherein:
the sliding table comprises two sliding rails and a supporting table, and two sides of the supporting table are arranged on the sliding rails in a sliding manner;
the roller tables are arranged on the outer sides of the two sliding rails in the width direction respectively, and are higher than the supporting tables;
one end of the lifting assembly is fixed on the lower end surface of the supporting table, and the movable end of the lifting assembly can vertically stretch and retract to penetrate through the supporting table;
the drag hook assembly comprises a connecting rod, a hook head and a push head, one end of the connecting rod is connected with the lifting assembly and extends forwards horizontally, the hook head is arranged at the front end of the connecting rod and extends downwards to pull the tool, the push head is arranged at the lower end face of the connecting rod and is positioned at the rear end of the hook head to push the tool forwards, the upper end of the push head is lower than the lower end of the hook head, and the push head has elastic force of being stressed to retract backwards;
the height movement range of the lifting assembly and the drag hook assembly is defined as follows: when the movable end of the lifting assembly moves upwards to the highest position, the draw hook assembly is higher than the plane of the hook seat of the tool; when the movable end of the lifting assembly moves downwards to the lowest position, the drag hook assembly is lower than the plane where the roller table is located.
The beneficial effects of the invention are as follows: the labor intensity is lightened: the original traditional manual die changing mode is changed into a mechanical push-pull mode, so that manual intervention is not needed, and the labor intensity of operators is greatly reduced;
saving the field: because the novel linear lifting push-pull mechanism can be hidden below the roller table, the width of the die changing trolley is greatly shortened, so that the width of a die changing trolley channel is compressed, the area of a phase-changing increased field can be increased, more equipment/machines can be distributed, and the yield ratio is improved;
the safety risk is reduced: because the operator is far away from the equipment and the die/tool, the personal safety injury of staff caused by accidents in the die changing process is avoided;
the production efficiency is improved: because the die/tooling is automatically changed by a machine without the intervention of personnel in the whole process, the number of the die changing personnel is reduced while the die changing time is shortened, and the process productivity and the line changing frequency are improved because the die changing time is shortened, so that the rapid production of multiple varieties and small batches is realized;
when the pushing head pushes the tool forward, after the tool reaches a designated area, the pushing head is contracted by the backward force, so that the pushing head is protected, and the service life of the device is prolonged.
Drawings
The drawings referred to in the description of the embodiments of the present invention are simply introduced to facilitate a clearer and complete description of the technical solutions of the embodiments of the present invention, and the following drawings are only for some embodiments of the present invention and are not intended to limit the present invention, and it is obvious that other drawings can be obtained according to these drawings without performing other inventive work.
FIG. 1 is a front view of a lifting type mold changing trolley;
FIG. 2 is a front view of a novel linear lift push-pull mechanism of the present invention;
FIG. 3 is an enlarged view of a portion of the novel linear lift push-pull mechanism shown in FIG. 2;
FIG. 4 is a schematic diagram of a combination of a lifting assembly and a retractor assembly.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1, a lifting type mold changing trolley comprises an upper mold position A1 for placing a mold/tool to be changed and a lower mold position A2 for placing a mold/tool to be changed on a punching machine, wherein the upper mold position A1 and the lower mold position A2 are parallel, and a set of novel linear lifting push-pull mechanism 1 is respectively arranged.
When the die is replaced, the lower die position A2 is aligned with the punch equipment, the die/tool of the punch equipment is moved to the die position through the novel linear lifting push-pull mechanism, the upper die position A1 provided with the die/tool to be replaced is aligned with the punch equipment, and then the die/tool is moved to the punch equipment through the novel linear lifting push-pull mechanism. Therefore, the original traditional manual die changing mode is changed into a mechanical push-pull mode, manual intervention is not needed, and the labor intensity of operators is greatly reduced; and simultaneously, an upper material level and a lower material level are arranged to realize quick die change.
As shown in fig. 2, the novel linear lifting push-pull mechanism 1 comprises a sliding table 11, a roller table 12, a lifting assembly 13 and a drag hook assembly 14. Wherein:
the sliding table 11 comprises two sliding rails 114 and a supporting table 115, wherein two sliding rails 114 are arranged, and two sides of the supporting table 115 are arranged on the sliding rails 114 in a sliding manner;
the roller tables 12 are arranged on the outer sides of the two sliding rails 114 in the width direction respectively, and the roller tables 12 are higher than the supporting tables 111;
one end of the lifting assembly 13 is fixed on the lower end surface of the supporting table 115, and the movable end of the lifting assembly is telescopically penetrated through the supporting table 115;
the retractor assembly 14 is used for pulling and pushing the die/tool, is fixedly arranged at the top of the movable end of the lifting assembly 13 and extends forwards, and the height movable ranges of the lifting assembly 13 and the retractor assembly 14 are defined in the following way: when the movable end of the lifting assembly 13 moves upwards to the highest position, the draw hook assembly 14 is higher than the plane of the hook seat of the tool; when the movable end of the lifting assembly 13 moves downwards to the lowest position, the draw hook assembly 14 is lower than the plane of the roller table 12.
The sliding table 11 further comprises a motor, a torsion adjustable clutch 110, a main chain 111, a secondary chain wheel 112 and a chain 113, wherein the output end of the motor is connected with one end of the torsion adjustable clutch 110, the other end of the motor is coaxially connected with the main chain wheel 111 in a transmission manner, the chain 113 is connected between the main chain wheel 111 and the secondary chain wheel 112 in a transmission manner, and a connecting block 1151 fixedly connected with one section of the chain 113 is arranged on the lower end face of the supporting table 115.
The torsion adjustable clutch 110 is additionally arranged between the main chain 111 and the motor, so that the push-pull force can be accurately controlled, the damage to equipment caused by overload or clamping can be prevented,
preferably, a rotary encoder is additionally arranged at the position of the slave chain wheel 112, so that the push-pull stroke is precisely controlled, and the die change can be realized for dies/tools with different sizes.
As shown in fig. 3, it is noted that the connection block 1151 is welded to a single section of the chain 113. As shown in FIG. 4, there are two connection blocks 1151 welded in tandem to two individual links of the chain 113.
A plurality of power rollers 121 are arranged on the upper end surface of the roller table 12 at intervals, and the power rollers 121 protrude out of the upper end surface of the roller table 12.
Further, the roller table 12 is further provided with a guide bar 122 extending in the longitudinal direction on a side away from the slide table 11.
Referring to fig. 4, the lifting assembly 13 includes a lifting cylinder 131, a cylinder 132 and a supporting column 133, the hook assembly 14 includes a connecting rod 141, a hook head 142 and a push head 143, one end of the lifting cylinder 131 is in threaded connection with the lower end surface of the supporting table 115, the output end of the lifting cylinder 131 passes through the supporting table 115 and is connected with the connecting rod 141, the cylinder 132 is disposed at one side of the lifting cylinder 131, the cylinder 132 is sleeved with the supporting column 133, the upper end of the supporting column 133 is fixedly connected with the lower end surface of the connecting rod 141, the hook head 142 is disposed at the front end of the connecting rod 141 and extends downwards, the push head 143 is disposed at the lower end surface of the connecting rod 141 and is located at the rear end of the hook head 142, and the upper end of the push head 143 is lower than the lower end of the hook head 142, and the push head 143 has an elastic force for retracting backwards due to stress.
Further, the push head 143 includes a connecting body 143A, a spring 143B and a push block 143C, wherein an upper end of the connecting body 143A is connected with a lower end surface of the connecting rod 141, the spring 143B is horizontally disposed at a lower end of the connecting body 143, and the push block 143B is connected with an end of the spring far from the connecting body 143A.
Preferably, the front and rear sides of the lifting cylinder 131 are respectively provided with a cylinder 132, and correspondingly provided with a supporting column 133.
The lifting cylinder 131 pushes the connecting rod 141 to move up and down, and two support columns 133 are added to maintain stability of the connecting rod 141 during movement. The hook head 142 is used for buckling the hook seat, and the push head 143 is used for pushing the hook seat.
To further facilitate die changing, the heights of the lift cylinder 131, hook head 142, and push head 143 are defined as follows: when the lifting cylinder 131 ascends to the highest position, the push head 143 and the hook seat are on the same horizontal plane, and at the moment, the hook head 142 is not contacted with the hook seat, so that the supporting table 115 can push the hook seat forwards, and when the hook head 142 needs to extend into the hook seat, the hook head 142 only needs to ascend to the highest position and then reaches the upper part of the hook seat, and then can slowly descend to extend into the hook seat, thereby avoiding editing various control heights in the control console.
The working flow of the invention is as follows: when the die is replaced, the lower die position A2 is aligned with the punch equipment, the lifting cylinder 131 is lifted, the sliding table 11 drives the supporting table 115 to move towards the punch equipment, the lifting cylinder 131 is lowered, the hook head 142 stretches into the hook seat of the punch to hook the die/tool to be replaced, then the sliding table 11 drives the supporting table 115 to return, the die/tool is pulled back to one third of the roller table 12, the lifting cylinder 131 is lifted again, the sliding table 11 is retracted for a certain distance (namely, the die is unhooked), then the lifting cylinder 131 is lowered below the surface of the roller table 12, and the power roller 121 of the roller table 12 starts to send the die back to the middle position of the die replacing trolley; the die changing trolley moves to align the lower die position A2 with the punch equipment, the roller table 12 starts to send the die to the punch direction, the lifting cylinder 131 is lifted, the sliding table 11 drives the supporting table 115 to move forward, and the push head 143 pushes the die/tool to be changed to a designated position in the punch equipment, so that die changing is completed.
The invention has the advantages that: the labor intensity is lightened: the original traditional manual die changing mode is changed into a mechanical push-pull mode, so that manual intervention is not needed, and the labor intensity of operators is greatly reduced;
saving the field: because the novel linear lifting push-pull mechanism 1 can be hidden below the roller table 12, the width of the die changing trolley is greatly shortened, so that the width of a die changing trolley channel is compressed, the area of a phase-changing increased field can be increased, more equipment/machines can be distributed, and the yield ratio is improved;
the safety risk is reduced: because the operator is far away from the equipment and the die/tool, the personal safety injury of staff caused by accidents in the die changing process is avoided;
the production efficiency is improved: because the die/tooling is automatically changed by a machine without the intervention of personnel in the whole process, the number of the die changing personnel is reduced while the die changing time is shortened, and the process productivity and the line changing frequency are improved because the die changing time is shortened, so that the rapid production of multiple varieties and small batches is realized;
when the pushing head pushes the tool forward, after the tool reaches a designated area, the pushing head is contracted by the backward force, so that the pushing head is protected, and the service life of the device is prolonged.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (6)
1. The utility model provides a straight line lift push-pull mechanism which characterized in that, includes slip table, roller platform, lifting unit and drag hook subassembly, wherein:
the sliding table comprises two sliding rails and a supporting table, and two sides of the supporting table are arranged on the sliding rails in a sliding manner;
the roller tables are respectively arranged at the outer sides of the two sliding rails in the width direction, the roller tables are higher than the supporting tables, a plurality of power rollers are arranged on the upper end surfaces of the roller tables at intervals, and the power rollers protrude out of the upper end surfaces of the roller tables;
one end of the lifting assembly is fixed on the lower end surface of the supporting table, and the movable end of the lifting assembly can vertically stretch and retract to penetrate through the supporting table;
the drag hook assembly comprises a connecting rod, a hook head and a push head, one end of the connecting rod is connected with the lifting assembly and extends forwards horizontally, the hook head is arranged at the front end of the connecting rod and extends downwards to pull the tool, the push head is arranged at the lower end face of the connecting rod and is positioned at the rear end of the hook head to push the tool forwards, the upper end of the push head is lower than the lower end of the hook head, and the push head has elastic force of being stressed to retract backwards;
the height movement range of the lifting assembly and the drag hook assembly is defined in the following way: when the movable end of the lifting assembly moves upwards to the highest position, the draw hook assembly is higher than the plane of the hook seat of the tool; when the movable end of the lifting assembly moves downwards to the lowest position, the drag hook assembly is lower than the plane where the roller table is located;
the push head comprises a connecting body, a spring and a push block, the upper end of the connecting body is driven to be connected with the lower end face of the connecting rod, the spring is horizontally arranged at the lower end of the connecting body, the push block is connected with the spring at one end far away from the connecting body, and when the push head pushes the tool forwards, the tool reaches a designated area and then is subjected to backward force to shrink.
2. The linear lifting push-pull mechanism according to claim 1, wherein the sliding table further comprises a motor, a torque adjustable clutch, a main chain wheel, a slave chain wheel and a chain, the output end of the motor is connected with one end of the torque adjustable clutch, the other end of the motor is coaxially connected with the main chain wheel in a transmission manner, the main chain wheel and the slave chain wheel are in transmission connection with the chain, and a connecting block fixedly connected with one section of the chain is arranged on the lower end face of the supporting table.
3. A linear lift push-pull mechanism according to claim 2, wherein a rotary encoder is provided at the slave sprocket.
4. The linear lifting push-pull mechanism according to claim 1, wherein the roller table is further provided with a guide strip extending in the length direction at a side far away from the sliding table.
5. The linear lifting push-pull mechanism according to claim 1, wherein the lifting assembly comprises a lifting cylinder, a cylinder body and a supporting column, one end of the lifting cylinder is in threaded connection with the lower end face of the supporting table, an output rod of the lifting cylinder penetrates through the supporting table and is connected with the connecting rod, the cylinder body is arranged on one side of the lifting cylinder, the supporting column is sleeved in the cylinder body, and the upper end of the supporting column is fixedly connected with the lower end face of the connecting rod.
6. The linear lift push-pull mechanism of claim 5 wherein the height of the lift cylinder, hook head and push head are defined by: when the lifting cylinder ascends to the highest position, the push head and the hook seat are in the same horizontal plane, and the hook head is not contacted with the hook seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998244.1A CN109175119B (en) | 2018-08-29 | 2018-08-29 | Linear lifting push-pull mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998244.1A CN109175119B (en) | 2018-08-29 | 2018-08-29 | Linear lifting push-pull mechanism |
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| Publication Number | Publication Date |
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| CN109175119A CN109175119A (en) | 2019-01-11 |
| CN109175119B true CN109175119B (en) | 2024-01-05 |
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| CN201810998244.1A Active CN109175119B (en) | 2018-08-29 | 2018-08-29 | Linear lifting push-pull mechanism |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109848313B (en) * | 2019-04-10 | 2024-06-18 | 松科快换（常州）智能装备有限公司 | Warehouse-in and warehouse-out lifting mould moving device |
| CN110695218A (en) * | 2019-09-17 | 2020-01-17 | 湖南大捷智能装备有限公司 | Double-table-board die changing trolley and die changing method thereof |
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| CN109175119A (en) | 2019-01-11 |
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