Bottom die assembly body of universal large bending machine
By designing the bottom mold assembly of a universal large bending machine, using a base, first clamp and tightening assembly, the problems of unrestrained fixation and position offset caused by high frequency of replacement of the bottom mold are solved, and the stable clamping and precise position adjustment of the bottom mold is achieved, and the processing accuracy is improved.
Patent Information
- Application Number
- CN202422152531.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-03
AI Technical Summary
When large bending machines frequently replace different types of bottom molds, the mechanical claws or pneumatic clamps are prone to loosening, resulting in the bottom mold being unreliable and positionally offset, affecting the processing accuracy.
A universal large bending machine bottom mold assembly is designed, including a base, a first clamp and a tightening assembly. The position of the first clamp is evenly arranged along the base groove through multiple tightening members, and the position of the first clamp is adjusted and vertical pressure is applied, and the second clamp is used to adapt to different types of bottom molds to ensure clamping force and position accuracy.
The stable clamping and position adjustment of different types of bottom molds is achieved, which improves the installation accuracy and adaptability of the bottom mold, and avoids the looseness of mechanical claws or pneumatic clamps.
Smart Images
Figure CN223056549U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of bending machines and relates to a universal large bending machine bottom die assembly. Background Art
[0002] The bottom die of a large bending machine is generally fixed to the workbench by a mechanical claw or a pneumatic clamp. Some manufacturers of large bending machines mass-produce the same type of products, so the replacement frequency of the bottom die of large bending machines is relatively low.
[0003] Some manufacturers undertake different types of production tasks, and the bending machine needs to replace the bottom die according to the production requirements, that is, the replacement frequency of the bottom die of the bending machine of some manufacturers is relatively high, and there are large differences in the size and structure of the bottom die.
[0004] Frequent replacement of the bottom die and the change of the bottom die shape may cause the mechanical claw or pneumatic clamp to become loose, and the bottom die may be fixed insecurely and displaced. Summary of the Utility Model
[0005] To overcome the defects in the above related technologies, the utility model provides a universal large bending machine bottom die assembly, which can adapt to different types of bottom dies, and improve the clamping force on the bottom die and the fine adjustment of the bottom die position.
[0006] Some embodiments of the utility model provide a universal large bending machine bottom die assembly. The universal large bending machine bottom die assembly includes: a base, a first clamping plate and a tightening assembly. Wherein, the base is a long strip structure, a base groove is arranged on the base, the center line of the base groove is arranged along a first direction, and the upper end of the base groove is open. The first clamping plate is a plate member, and a plurality of the first clamping plates are movably arranged in the base groove along the first direction, and the plurality of first clamping plates have a tendency to reciprocate in a direction perpendicular to the first direction, and the upper ends of the plurality of first clamping plates do not exceed the upper end of the base groove. The tightening assembly includes a plurality of tightening members, the plurality of tightening members are uniformly arranged along the first direction, the plurality of tightening members are connected to the base, and the plurality of tightening members are configured to adjust the position of the first clamping plate in the base groove and apply a pressure perpendicular to the first direction to the first clamping plate.
[0007] Preferably, the universal large bending machine bottom die assembly further includes a second clamping plate, the second clamping plate is a plate member, a plurality of the second clamping plates are movably arranged in the base groove along the first direction, and the plurality of second clamping plates and the plurality of first clamping plates are symmetrical about the center line of the base groove, the plurality of second clamping plates have a tendency to reciprocate in a direction perpendicular to the first direction, and the upper ends of the plurality of second clamping plates do not exceed the upper end of the base groove.
[0008] Preferably, a plurality of through holes are provided on the base along a first direction, and the through holes communicate the base groove and the outside of the base. A first blind hole is provided on the side surface of the first clamping plate opposite to the side wall of the base groove, and the first blind hole is a threaded hole. A second blind hole is provided on the side surface of the second clamping plate opposite to the side wall of the base groove, and the second blind hole is a threaded hole.
[0009] The tightening member includes: a fixing member, a first plate member, a second plate member, and a fastening screw. Among them, the upper end surface of the fixing member is horizontal, and the fixing member is fixed on the base outside the base groove. The first plate member is a plate member, and a through hole is provided in the middle of the first plate member. The second plate member is a plate member, the thickness of the second plate member is greater than the thickness of the first plate member, and a through hole is provided in the middle of the second plate member. The fastening screw penetrates through the base from the outside of the base and extends into the base groove, and a plurality of the first plate members and / or the second plate members are sleeved on the fastening screw, and the fastening screw is configured to adjust the position of the first clamping plate and / or the first clamping plate in the base groove.
[0010] Preferably, the first plate member is provided with a through groove. The second plate member is provided with a through groove. The fastening screw further includes a head, the diameter of the head is greater than the width of the through groove, the diameter of the screw of the fastening screw is less than the width of the through groove, and the screw head of the fastening screw penetrates into the base groove and is screwed into the corresponding first blind hole or second blind hole.
[0011] Preferably, the distance between adjacent fastening screws is 5 cm to 15 cm.
[0012] The beneficial effects of the present utility model are as follows:
[0013] The base of the present utility model is fixed on the workbench, the bottom mold can be arranged in the base groove, and the bottom mold can be clamped by a plurality of first clamping plates and a tightening assembly, and a plurality of first clamping plates can adapt to bottom molds of different lengths.
[0014] The present utility model adopts a second clamping plate, which can control the position of the bottom mold in the base groove, that is, control the relative position between the bottom mold and the upper mold, and can adapt to different types of bottom molds.
[0015] The present utility model adopts a plurality of first clamping plates and second clamping plates, and the thickness of the second plate member is greater than the thickness of the first plate member, which can adapt to bottom molds of different specifications, and the fixed thickness can ensure the installation accuracy of the bottom mold in the base groove. Description of the Drawings
[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 Structural diagram of the present invention;
[0018] Figure 2 Side structural diagram of the present invention;
[0019] Figure 3 Top view of the present invention;
[0020] Figure 4 Stereogram of the present invention;
[0021] Figure 5 Structural diagram of the first clamping plate of the present invention;
[0022] Figure 6 Structural diagram of the second clamping plate of the present invention. Detailed implementation manners
[0023] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0024] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are 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 orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.
[0025] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.
[0026] As Figures 1 to 6 shown, some embodiments of the present utility model provide a universal large-scale bending machine bottom die assembly. The universal large-scale bending machine bottom die assembly includes: a base 1, a first clamping plate 2, and a tightening assembly 3. Among them, the base 1 is a long strip structure, and a base groove 11 is provided on the base 1. The center line of the base groove 11 is arranged along the first direction X, and the upper end of the base groove 11 is open. The first clamping plate 2 is a plate member, and a plurality of the first clamping plates 2 are movably arranged in the base groove 11 along the first direction X. A plurality of the first clamping plates 2 have a tendency to reciprocate in a direction perpendicular to the first direction X, and the upper ends of a plurality of the first clamping plates 2 do not exceed the upper end of the base groove 11. The tightening assembly 3 includes a plurality of tightening members 31. The plurality of tightening members 31 are uniformly arranged along the first direction X. The plurality of tightening members 31 are connected to the base 1, and the plurality of tightening members 31 are configured to adjust the position of the first clamping plate 2 in the base groove 11 and apply a pressure perpendicular to the first direction X to the first clamping plate 2.
[0027] Preferably, the universal large-scale bending machine bottom die assembly further includes a second clamping plate 4. The second clamping plate 4 is a plate member, and a plurality of the second clamping plates 4 are movably arranged in the base groove 11 along the first direction X. A plurality of the second clamping plates 4 and a plurality of the first clamping plates 2 are symmetric about the center line of the base groove 11. A plurality of the second clamping plates 4 have a tendency to reciprocate in a direction perpendicular to the first direction X, and the upper ends of a plurality of the second clamping plates 4 do not exceed the upper end of the base groove 11.
[0028] Preferably, a plurality of through holes are arranged on the base 1 along the first direction X. The through holes communicate the base groove 11 with the outside of the base 1. A first blind hole 21 is provided on the side surface of the first clamping plate 2 opposite to the side wall of the base groove 11. The first blind hole 21 is a threaded hole. A second blind hole 41 is provided on the side surface of the second clamping plate 4 opposite to the side wall of the base groove 11. The second blind hole 41 is a threaded hole.
[0029] The tightening member 31 includes: a fixing member 311, a first plate member 312, a second plate member 313, and a fastening screw 314. Among them, the upper end surface of the fixing member 311 is horizontal, and the fixing member 311 is fixed on the base 1 outside the base groove 11. The first plate member 312 is a plate member, and a through hole is provided in the middle of the first plate member 312. The second plate member 313 is a plate member, the thickness of the second plate member 313 is greater than the thickness of the first plate member 312, and a through hole is provided in the middle of the second plate member 313. The fastening screw 314 penetrates through the base 1 from the outside of the base 1 and extends into the base groove 11. A plurality of the first plate members 312 and / or the second plate members 313 are sleeved on the fastening screw 314, and the fastening screw 314 is configured to adjust the position of the first clamping plate 2 and / or the first clamping plate 2 in the base groove 11.
[0030] Preferably, the first plate member 312 is provided with a through groove 315. The second plate member 313 is provided with a through groove 315. The fastening screw 314 further includes a head, the diameter of the head is greater than the width of the through groove 315, the diameter of the screw of the fastening screw 314 is less than the width of the through groove 315, and the screw head of the fastening screw 314 penetrates into the base groove 11 and is screwed into the corresponding first blind hole 21 or second blind hole 41.
[0031] Preferably, the distance between adjacent fastening screws 314 is 5 cm to 15 cm.
[0032] The base 1 of the present utility model can be an overall cuboid structure and is fixed on the workbench. A base groove 11 is provided on the upper surface of the base 1. The base groove 11 is directly below the upper die of the bending machine. The base groove 11 is a groove with a rectangular cross-section. The length direction of the base groove 11 is the first direction X. The length of the base groove 11 can be 1500 mm to 2500 mm, the width of the base groove 11 can be 100 mm to 200 mm, and the height of the base groove 11 can be 50 mm to 100 mm. Among them, the length of the base groove 11 is the distance of the base groove 11 in the first direction X, the width of the base groove 11 is the distance of the base groove 11 in the horizontal plane perpendicular to the first direction X, and the height of the base groove 11 is the distance of the base groove 11 in the vertical direction.
[0033] The length of the first clamping plate 2 of the present utility model can be 300 mm to 600 mm. Five first blind holes 21 are provided on the side surface of each first clamping plate 2. The thickness of the first clamping plate 2 can be 5 mm to 10 mm. The second clamping plate 4 can have the same structure as the first clamping plate 2.
[0034] A plurality of through holes are provided on the side wall of the base groove 11, that is, a plurality of through holes provided on the base 1 along the first direction X.
[0035] The fastening screw 314 passes through the through hole and is screwed into the first blind hole 21. A plurality of first plate members 312 and / or second plate members 313 are arranged between the inner wall of the first clamping plate 2 and the base groove 11, and a plurality of first plate members 312 and / or second plate members 313 are arranged between the outer wall of the base 1 and the end. Each tightening assembly 3 screwed into the first clamping plate 2 has the same number of first plate members 312 and second plate members 313 between the inner wall of the first clamping plate 2 and the base groove 11, and the same number of first plate members 312 and second plate members 313 between the outer wall of the base 1 and the end, so as to ensure the accurate relative position of the bottom die and the upper die.
[0036] In addition, when the fastening screw 314 passes through the through hole and is screwed into the second blind hole 41, a plurality of first plate members 312 and / or second plate members 313 are arranged between the inner wall of the second clamping plate 4 and the base groove 11, and a plurality of first plate members 312 and / or second plate members 313 are arranged between the outer wall of the base 1 and the end. Each tightening assembly 3 screwed into the second clamping plate 4 has the same number of first plate members 312 and second plate members 313 between the inner wall of the second clamping plate 4 and the base groove 11, and the same number of first plate members 312 and second plate members 313 between the outer wall of the base 1 and the end, so as to ensure the accurate relative position of the bottom die and the upper die.
[0037] In the description of this specification, specific features, structures, materials, or characteristics may be combined in a suitable manner in any one or more embodiments or examples.
[0038] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims
1. A universal large bending machine bottom die assembly, characterized in that, Comprising: A base, the base being of a long strip structure, a base groove being provided on the base, the center line of the base groove being arranged along a first direction, and the upper end of the base groove being open; A first clamping plate, the first clamping plate being a plate member, a plurality of the first clamping plates being movably arranged in the base groove along the first direction, the plurality of first clamping plates having a tendency to reciprocate in a direction perpendicular to the first direction, and the upper ends of the plurality of first clamping plates not exceeding the upper end of the base groove; A tightening assembly, the tightening assembly including a plurality of tightening members, the plurality of tightening members being uniformly arranged along the first direction, the plurality of tightening members being connected to the base, and the plurality of tightening members being configured to adjust the position of the first clamping plate in the base groove and apply a pressure perpendicular to the first direction to the first clamping plate.
2. The universal large bending machine bottom die assembly according to claim 1, characterized in that, The universal large bending machine bottom die assembly further includes a second clamping plate, the second clamping plate being a plate member, a plurality of the second clamping plates being movably arranged in the base groove along the first direction, and the plurality of second clamping plates and the plurality of first clamping plates being symmetric about the center line of the base groove, the plurality of second clamping plates having a tendency to reciprocate in a direction perpendicular to the first direction, and the upper ends of the plurality of second clamping plates not exceeding the upper end of the base groove.
3. The universal large bending machine bottom die assembly according to claim 2, characterized in that, A plurality of through holes are arranged on the base along the first direction, the through holes communicating the base groove with the outside of the base; A first blind hole is provided on the side surface of the first clamping plate opposite to the side wall of the base groove, the first blind hole being a threaded hole; A second blind hole is provided on the side surface of the second clamping plate opposite to the side wall of the base groove, the second blind hole being a threaded hole; The tightening member includes: A fixing member, the upper end surface of the fixing member being horizontal, the fixing member being fixed to the base outside the base groove; A first plate member, the first plate member being a plate member, a through hole being provided in the middle of the first plate member; A second plate member, the second plate member being a plate member, the thickness of the second plate member being greater than the thickness of the first plate member, a through hole being provided in the middle of the second plate member; A fastening screw, the fastening screw extending from the outside of the base through the base into the base groove, a plurality of the first plate members and / or the second plate members being sleeved on the fastening screw, and the fastening screw being configured to adjust the position of the first clamping plate and / or the first clamping plate in the base groove.
4. The universal large bending machine bottom die assembly according to claim 3, characterized in that, The first plate member is provided with a through groove; The second plate member is provided with a through groove; The fastening screw further includes a head, the diameter of the head being greater than the width of the through groove, the diameter of the screw of the fastening screw being less than the width of the through groove, and the screw head of the fastening screw penetrating into the base groove and being screwed into the corresponding first blind hole or second blind hole.
5. The universal large-scale bending machine bottom die assembly according to claim 3 or 4, characterized in that, The distance between adjacent fastening screws is 5 cm to 15 cm.