A drawing die structure capable of collecting cleaning oil

Abstract

The utility model relates to the technical field of stamping dies for automobile covering parts, and more specifically, to a drawing die structure capable of collecting cleaning oil. Since the two opposite sides of the pressure ring are arched, the cleaning oil will flow from a high place to a low place on the arched non-working surface, so an oil retaining wall is arranged along the step surface on the non-working surface, a spacing is arranged between the oil retaining wall and the step surface for the cleaning oil to converge and flow, and a collecting port is arranged at the lowest point of the non-working surface. Since the oil retaining wall is connected to the collecting port, the cleaning oil flows from a high place on the non-working surface to the collecting port under the effect of its own gravity and the diversion of the oil retaining wall, so that the cleaning oil is collected, the cleaning oil can be automatically eliminated without cleaning the mold, the structure is simple, the material composition cost is low, and the collected cleaning oil can be reused, which effectively solves the technical problems of consuming time and material costs for cleaning the mold and being unable to collect the cleaning oil in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies for automobile covering parts, and more specifically to a drawing die structure capable of collecting cleaning oil. Background Art

[0002] In the high-speed automated production process of stamping, the sheet metal before stamping needs to pass through a sheet metal cleaning machine to clean foreign matter on the sheet metal, and at the same time, the sheet metal is lubricated with oil to prevent surface problems such as pitting, indentation, and dark cracks during the production process. However, the cleaning oil on the sheet metal is not cleaned during the production process. As the number of punches increases, the cleaning oil gradually accumulates and flows to the mold, workbench, and ground surface, causing waste and environmental pollution.

[0003] The prior art discloses a stamping die for automobile cover parts. First, the stamping part is placed on the punch, and the hydraulic press is started. The operation of the hydraulic press drives the pressing plate downward to stamp the stamping part. If the stamping accuracy deviates, the first positioning column cannot enter the first positioning hole, and the stamping position of the pressing plate should be readjusted. The function of the mold protection shell is to prevent materials from jumping out during stamping. After the stamping of the pressing plate is completed, the first spring will bounce up the supporting plate and take out the completed stamping part. When the upper die seat and the lower die seat do not work for a long time, there will be dust and other foreign matter on the mold, which will affect the stamping effect. The cleaning device is started, and the output end of the first motor moves to The compound rotation drives the first gear to rotate reciprocatingly, the reciprocating rotation of the first gear drives the second gear to rotate reciprocatingly, the reciprocating rotation of the second gear drives the first rotating roller to rotate reciprocatingly, the reciprocating rotation of the first rotating roller drives the high-pressure jet nozzle to rotate reciprocatingly, so as to blow and clean the mold, thereby greatly improving the stamping accuracy of the cover. The cleaning device of this scheme performs regular maintenance and cleaning on the mold, effectively solving the problem of no cleaning of the cleaning oil on the sheet during the production process. As the number of punches increases, the cleaning oil gradually accumulates and flows to the mold, the workbench and the ground, causing waste and environmental pollution.

[0004] However, the prior art method of using a cleaning device to clean the mold is time-consuming and labor-intensive, and an additional step is required to clean the cleaning oil, which increases the time cost and material cost. In addition, the cleaned cleaning oil cannot be collected for secondary utilization, and the material utilization rate is insufficient. Therefore, the mold in the prior art has technical problems such as time-consuming and material cost for cleaning the mold and inability to collect the cleaning oil. Utility Model Content

[0005] The utility model aims to overcome the shortcomings of the prior art that cleaning a mold consumes time and material costs and cannot collect cleaning oil, and provides a drawing mold structure capable of collecting cleaning oil.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A drawing die structure capable of collecting cleaning oil comprises a lower die seat, the upper end face of the lower die seat being provided with a pressure ring with arched sides opposite to each other, the pressure ring being divided into a pressure surface of an inner ring and a non-working surface of an outer ring, a step surface being formed between the pressure surface and the non-working surface, and the height of the pressure surface being greater than the height of the non-working surface, an oil retaining wall being provided along the step surface on the non-working surface, a spacing being provided between the oil retaining wall and the step surface, a collecting port being provided at the lowest point of the non-working surface, the oil retaining wall being connected to the collecting port and being able to guide the cleaning oil from the high point of the non-working surface to the collecting port.

[0008] The utility model discloses a drawing die structure capable of collecting cleaning oil, wherein a blank holder ring is divided into a blank holder surface of an inner ring and a non-working surface of an outer ring, wherein the blank holder surface is a surface in contact with an upper die seat during stamping, and the height of the blank holder surface is greater than the height of the non-working surface, and the cleaning oil on the blank holder surface will flow to the non-working surface due to the height difference, so a stepped surface is formed between the blank holder surface and the non-working surface, which is convenient for accommodating the cleaning oil to flow on the non-working surface, and since the opposite sides of the blank holder ring are arched, the cleaning oil will flow from a high place to a low place on the arched non-working surface, so a step surface is arranged on the non-working surface along the stepped surface An oil retaining wall is provided with a spacing between the oil retaining wall and the stepped surface for the cleaning oil to converge and flow, and a collecting port is provided at the lowest point of the non-working surface. Since the oil retaining wall is connected to the collecting port, the cleaning oil flows from the high point of the non-working surface to the collecting port under the combination of its own gravity and the diversion effect of the oil retaining wall, thereby realizing the collection of the cleaning oil. The cleaning oil can be automatically eliminated without cleaning the mold. The structure is simple, the material composition cost is low, and the collected cleaning oil can be reused, which effectively solves the technical problems in the prior art of consuming time and material costs for cleaning the mold and being unable to collect the cleaning oil.

[0009] Furthermore, a plurality of balancing blocks are arranged along the step surface on the non-working surface, a spacing is provided between the balancing blocks and the step surface, and the oil retaining wall is arranged between adjacent balancing blocks. The plurality of balancing blocks arranged along the step surface on the non-working surface are used to balance the pressure of the upper die seat, which is a conventional setting in the drawing die. The oil retaining wall is arranged between adjacent balancing blocks, so that the balancing blocks become part of the oil retaining wall, reducing the material consumption of the oil retaining wall, and playing the advantages of adapting measures to local conditions and reducing material costs.

[0010] Furthermore, a height difference is provided between the two ends of the non-working surface's unarched side, the oil retaining wall is arranged along the stepped surface between the two ends of the non-working surface's unarched side, and the collecting port is arranged at the lower end of the non-working surface's unarched side. A height difference is provided between the two ends of the non-working surface's unarched side, and the oil retaining wall is arranged along the stepped surface between the two ends of the non-working surface's unarched side. Since the collecting port is arranged at the lower end of the non-working surface's unarched side, the cleaning oil can not only flow naturally in the arched part, but also flow to the collecting port in the unarched part due to the height difference, thereby realizing the coordinated oil collection of the entire pressure ring.

[0011] Furthermore, the collection port is covered with a filter net, which plays a role in filtering granular impurities.

[0012] Furthermore, the non-working surface is provided with a plurality of air-avoiding holes, and an oil retaining wall is provided around the air-avoiding holes. Since there are a plurality of air-avoiding holes for avoiding the upper die seat on the non-working surface, the oil retaining wall is provided around the air-avoiding holes to prevent the cleaning oil from flowing into the air-avoiding holes.

[0013] Furthermore, the non-working surface is provided with a plurality of protrusion mounting positions, and the protrusion mounting positions are provided with guide grooves. Since there are a plurality of protrusion mounting positions on the non-working surface for cooperating with the upper die seat, in order to avoid blocking the oil path, guide grooves are provided on the protrusion mounting positions for the cleaning oil to pass through.

[0014] Furthermore, the height of the oil retaining wall is 5mm-15mm, and the width of the oil retaining wall is 5mm-15mm. The height of the oil retaining wall is set to 5mm-15mm, which has the effect of oil retaining without affecting the normal operation of the upper and lower mold bases, and the width of the oil retaining wall is set to 5mm-15mm, so that there is enough contact area between the oil retaining wall and the non-working surface to ensure the connection strength.

[0015] Furthermore, a collecting cavity is provided in the lower die base, the collecting port is connected to the collecting cavity, the lower die base is provided with an oil extraction port at the bottom of the collecting cavity, and the oil extraction port is detachably provided with an oil blocking structure. A collecting cavity connected to the collecting port is provided in the lower die base, and the oil extraction port at the bottom of the collecting cavity can be detachably provided with an oil blocking structure, so as to facilitate the oil extraction operation.

[0016] Furthermore, the oil blocking structure is a bolt, the inner wall of the oil extraction port is provided with an internal thread, and the bolt is threadedly connected to the oil extraction port. Using a bolt as an oil blocking structure threadedly connected to the oil extraction port has the advantages of simple structure and easy operation.

[0017] Further, the shape of the collecting chamber is cylindrical, and the diameter of the cylindrical collecting chamber is 300mm-500mm, and the height is 200mm-400mm. The shape of the collecting chamber is cylindrical, and the diameter of the cylindrical collecting chamber is set to 300mm-500mm, and the height is set to 200mm-400mm, so that the collecting chamber is easier to process and perfectly accommodated in the compact lower die base.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model discloses a drawing die structure capable of collecting cleaning oil. Since the two opposite sides of the pressure ring are arched, the cleaning oil will flow from a high place to a low place on the arched non-working surface. Therefore, an oil retaining wall is arranged along the step surface on the non-working surface. A spacing is arranged between the oil retaining wall and the step surface for the cleaning oil to converge and flow. A collecting port is arranged at the lowest point of the non-working surface. Since the oil retaining wall is connected to the collecting port, the cleaning oil flows from a high place on the non-working surface to the collecting port under the effect of its own gravity and the diversion of the oil retaining wall, so that the cleaning oil is collected. The cleaning oil can be automatically eliminated without cleaning the mold. The structure is simple and the material composition cost is low. In addition, the collected cleaning oil can be reused. The technical problems of consuming time and material costs for cleaning the mold and being unable to collect the cleaning oil in the prior art are effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a drawing die structure capable of collecting cleaning oil according to Embodiment 1;

[0021] Figure 2 This is a structural schematic diagram of a drawing die structure capable of collecting cleaning oil according to Embodiment 2;

[0022] Figure 3 is a schematic diagram of the structure of the diversion trough;

[0023] Figure 4 This is a schematic structural diagram of a drawing die structure capable of collecting cleaning oil according to Example 3.

[0024] In the attached figure: 1. lower die seat; 2. pressure ring; 3. pressure surface; 4. non-working surface; 5. stepped surface; 6. oil retaining wall; 7. collecting port; 8. balancing block; 10. air avoidance hole; 11. raised mounting position; 12. guide groove; 13. collecting chamber; 14. oil blocking structure. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with specific implementation methods. The drawings are only used for exemplary descriptions, and are only schematic diagrams, not actual pictures, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0026] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0027] Embodiment 1

[0028] like Figure 1 The figure shows a first embodiment of a drawing die structure capable of collecting cleaning oil according to the utility model.

[0029] A drawing die structure capable of collecting cleaning oil comprises a lower die base 1, the upper end surface of the lower die base 1 is provided with a blank holder 2 with arched sides opposite to each other, the blank holder 2 is divided into a blank holder surface 3 of an inner ring and a non-working surface 4 of an outer ring, a step surface 5 is formed between the blank holder surface 3 and the non-working surface 4, and the height of the blank holder surface 3 is greater than the height of the non-working surface 4, an oil retaining wall 6 is provided along the step surface 5 on the non-working surface 4, a spacing is provided between the oil retaining wall 6 and the step surface 5, a collection port 7 is provided at the lowest point of the non-working surface 4, the oil retaining wall 6 is connected with the collection port 7 to guide the cleaning oil from the high point of the non-working surface 4 to the collection port 7. Among them, a plurality of balancing blocks 8 are arranged along the step surface 5 on the non-working surface 4, a spacing is provided between the balancing blocks 8 and the step surface 5, and the oil retaining wall 6 is provided between adjacent balancing blocks 8. Among them, there is a height difference between the two ends of the non-arched side of the non-working surface 4, the oil retaining wall 6 is arranged along the step surface 5 between the two ends of the non-arched side of the non-working surface 4, and the collecting port 7 is arranged at the lower end of the non-arched side of the non-working surface 4.

[0030] In this embodiment, if Figure 1As shown, the blank holder 2 is divided into a blank holder surface 3 of an inner ring and a non-working surface 4 of an outer ring. The blank holder surface 3 is the surface in contact with the upper die seat during stamping, and the height of the blank holder surface 3 is greater than the height of the non-working surface 4. The cleaning oil on the blank holder surface 3 will flow to the non-working surface 4 due to the height difference. Therefore, a step surface 5 is formed between the blank holder surface 3 and the non-working surface 4 to facilitate the flow of the cleaning oil on the non-working surface 4. Since the two opposite sides of the blank holder 2 are arched, the cleaning oil will flow from high to low on the arched non-working surface 4. Therefore, an oil retaining wall 6 is arranged on the non-working surface 4 along the step surface 5. A spacing is set between the oil wall 6 and the stepped surface 5 for the cleaning oil to converge and flow, and a collecting port 7 is set at the lowest point of the non-working surface 4. Since the oil retaining wall 6 is connected to the collecting port 7, the cleaning oil flows from the high point of the non-working surface 4 to the collecting port 7 under the combination of its own gravity and the diversion effect of the oil retaining wall 6, thereby realizing the collection of the cleaning oil. The cleaning oil can be automatically eliminated without cleaning the mold. The structure is simple, the material composition cost is low, and the collected cleaning oil can be reused, which effectively solves the technical problems of time-consuming and material costs for cleaning the mold and the inability to collect the cleaning oil in the prior art.

[0031] In this embodiment, if Figure 1 As shown, a number of balancing blocks 8 arranged along the step surface 5 on the non-working surface 4 are used to balance the pressure of the upper die seat, which is a conventional setting in the drawing die. The oil retaining wall 6 is set between adjacent balancing blocks 8, so that the balancing blocks 8 become a part of the oil retaining wall 6, reducing the material used in the oil retaining wall 6, and playing the advantage of adapting measures to local conditions and reducing material costs.

[0032] In this embodiment, if Figure 1 As shown, a height difference is set between the two ends of the non-working surface 4 that are not arched, and the oil retaining wall 6 is set along the step surface 5 between the two ends of the non-working surface 4 that are not arched. Since the collecting port 7 is set at the lower end of the non-working surface 4 that is not arched, the cleaning oil can not only flow naturally in the arched part, but also flow to the collecting port 7 in the non-arched part due to the height difference, thereby realizing the coordinated oil collection of the entire pressure ring 2.

[0033] Embodiment 2

[0034] like Figures 2 to 3 The figure shows a second embodiment of a drawing die structure capable of collecting cleaning oil according to the utility model.

[0035] This embodiment is similar to the first embodiment, except that the collection port 7 is covered with a filter screen. A plurality of air-avoiding holes 10 are provided on the non-working surface 4, and an oil retaining wall 6 is provided around the air-avoiding holes 10. A plurality of protruding mounting positions 11 are provided on the non-working surface 4, and a guide groove 12 is provided on the protruding mounting positions 11. The height of the oil retaining wall 6 is 5 mm-15 mm, and the width of the oil retaining wall 6 is 5 mm-15 mm.

[0036] In this embodiment, the collection port 7 is covered with a filter screen to filter out particulate impurities.

[0037] In this embodiment, if Figure 2 As shown, since there are a number of avoidance holes 10 for avoiding the upper die seat on the non-working surface 4, an oil retaining wall 6 is arranged on the periphery of the avoidance holes 10 to prevent the cleaning oil from flowing into the avoidance holes 10.

[0038] In this embodiment, if Figures 2 to 3 As shown, since there are a number of raised mounting positions 11 on the non-working surface 4 for cooperating with the upper die seat, in order to avoid blocking the oil path, a guide groove 12 is provided on the raised mounting position 11 for the cleaning oil to pass through.

[0039] In this embodiment, the height of the oil retaining wall 6 is set to 5mm-15mm, which has the effect of retaining oil without affecting the normal operation of the upper and lower mold bases 1. The width of the oil retaining wall 6 is set to 5mm-15mm, so that there is sufficient contact area between the oil retaining wall 6 and the non-working surface 4 to ensure the connection strength.

[0040] Embodiment 3

[0041] like Figure 4 The third embodiment of the drawing die structure capable of collecting cleaning oil according to the utility model is shown.

[0042] This embodiment is similar to the first embodiment or the second embodiment, except that: a collecting chamber 13 is provided in the lower die base 1, the collecting port 7 is connected to the collecting chamber 13, and the lower die base 1 is provided with an oil taking port at the bottom of the collecting chamber 13, and the oil taking port is detachably provided with an oil blocking structure 14. The oil blocking structure 14 is a bolt, and the inner wall of the oil taking port is provided with an internal thread, and the bolt is threadedly connected to the oil taking port. The shape of the collecting chamber 13 is cylindrical, and the diameter of the cylindrical collecting chamber 13 is 300mm-500mm, and the height is 200mm-400mm.

[0043] In this embodiment, if Figure 4 As shown, a collecting chamber 13 connected to the collecting port 7 is provided in the lower die base 1, and the oil taking port provided at the bottom of the collecting chamber 13 can be detached by using the oil blocking structure 14, so as to facilitate the oil taking operation.

[0044] In this embodiment, bolts are used as the oil blocking structure 14 to be threadedly connected to the oil inlet, which has the advantages of simple structure and easy operation.

[0045] In this embodiment, if Figure 4 As shown, the shape of the collecting chamber 13 is cylindrical, and the diameter of the cylindrical collecting chamber 13 is set to 300mm-500mm, and the height is set to 200mm-400mm, so that the collecting chamber 13 is easier to process and can be perfectly accommodated in the compact lower mold base 1.

[0046] In the specific contents of the above-mentioned specific implementation methods, the various technical features can be combined in any non-contradictory manner. In order to make the description concise, not all possible combinations of the above-mentioned technical features are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A drawing die structure capable of collecting cleaning oil, comprising a lower die seat (1), the upper end surface of the lower die seat (1) is provided with a blank holder (2) with arched sides opposite to each other, the blank holder (2) is divided into a blank holder surface (3) of an inner ring and a non-working surface (4) of an outer ring, a stepped surface (5) is formed between the blank holder surface (3) and the non-working surface (4), and the height of the blank holder surface (3) is greater than the height of the non-working surface (4), characterized in that: An oil retaining wall (6) is provided on the non-working surface (4) along the stepped surface (5), a distance is provided between the oil retaining wall (6) and the stepped surface (5), a collecting port (7) is provided at the lowest point of the non-working surface (4), and the oil retaining wall (6) is connected to the collecting port (7) so as to guide the cleaning oil from the high point of the non-working surface (4) to the collecting port (7).

2. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: A plurality of balancing blocks (8) are arranged on the non-working surface (4) along the stepped surface (5), a spacing is provided between the balancing blocks (8) and the stepped surface (5), and the oil retaining wall (6) is arranged between adjacent balancing blocks (8).

3. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: A height difference is provided between the two ends of the non-arched side of the non-working surface (4); the oil retaining wall (6) is provided along the stepped surface (5) between the two ends of the non-arched side of the non-working surface (4); and the collecting port (7) is provided at the lower end of the non-arched side of the non-working surface (4).

4. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: The collecting port (7) is covered with a filter screen.

5. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: A plurality of air-avoiding holes (10) are provided on the non-working surface (4), and an oil-retaining wall (6) is provided around the air-avoiding holes (10).

6. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: A plurality of protruding mounting positions (11) are provided on the non-working surface (4), and guide grooves (12) are provided on the protruding mounting positions (11).

7. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: The height of the oil retaining wall (6) is 5 mm-15 mm, and the width of the oil retaining wall (6) is 5 mm-15 mm.

8. The drawing die structure capable of collecting cleaning oil according to claim 1, characterized in that: The lower die base (1) is provided with a collecting chamber (13), the collecting port (7) is connected to the collecting chamber (13), the lower die base (1) is provided with an oil extraction port at the bottom of the collecting chamber (13), and the oil extraction port is detachably provided with an oil blocking structure (14).

9. The drawing die structure capable of collecting cleaning oil according to claim 8, characterized in that: The oil blocking structure (14) is a bolt, the inner wall of the oil extraction port is provided with an internal thread, and the bolt is threadedly connected to the oil extraction port.

10. The drawing die structure capable of collecting cleaning oil according to claim 8, characterized in that: The shape of the collecting chamber (13) is cylindrical, and the diameter of the cylindrical collecting chamber (13) is 300 mm-500 mm, and the height is 200 mm-400 mm.

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