CN213530363U

CN213530363U - Cylinder drive formula forming device that floats

Info

Publication number: CN213530363U
Application number: CN202022018197.5U
Authority: CN
Inventors: 段华平; 俞铖斌; 茅景杰; 郑波; 周勇
Original assignee: Ningbo Kdpr Tool Technology Co ltd
Current assignee: Ningbo Kdpr Tool Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-25
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a cylinder-driven floating forming device, which comprises a lower die holder, a lower backing plate and a concave die plate, wherein the concave die plate is provided with a concave die cavity, a fixed block and a floating block are arranged in the concave die cavity from bottom to top, and the floating block is elastically connected with the lower die holder; an inclined sliding block and a drawing plate are arranged in an installation cavity of the lower base plate from top to bottom, a forming punch is arranged at the upper end of the inclined sliding block and sequentially penetrates through a fixed block and a floating block, the lower end of the inclined sliding block is matched with one end of the drawing plate through a guide inclined plane, the other end of the drawing plate is connected with a driving cylinder arranged on a lower die base, and the driving cylinder drives the drawing plate to horizontally extend and retract so as to drive the inclined sliding block to drive the forming punch to move up and down; an adjusting cushion block is arranged between the lower end of the fixing block and the upper end surface of the lower die base. The utility model discloses a cylinder drive formula forming device that floats, simple structure can realize self-defined control actuating mechanism to the shaping face is adjusted to the convenience.

Description

Cylinder drive formula forming device that floats

Technical Field

The utility model relates to a stamping die technical field specifically is a cylinder drive formula forming device that floats.

Background

The nuclear fuel assembly is the most central component of a nuclear power plant, the grillwork is a key core component in the nuclear fuel assembly, and the grillwork strip integrally punched and formed by a plurality of complex characteristics such as a spring, a rigid protrusion, a mixing wing, a guide wing and a welding wing is also one of key characteristics of the nuclear fuel, so the processing precision of the characteristics such as the spring, the rigid protrusion, the mixing wing, the guide wing and the welding wing directly influences the key performances such as the thermal safety, the earthquake accident resistance, the flow-induced vibration abrasion resistance and the operation safety integrity of the fuel assembly. Under the background of one touch of the current trade war of China and America, the nuclear fuel assembly becomes an important strategic material for ensuring the safe and stable operation and the stable energy supply of the nuclear power station in China, and the punching technology and the production capacity of the lattice frame strips are very important links in the localization of the lattice frame and the fuel assembly. Because the grid strap integrates various complex characteristics such as rigid protrusions, mixing wings, guide wings, welding wings and the like, the stamping forming is complex, the dimensional stability of the formed springs, the steel protrusions and the like is considered, and the grid strap stamping die is stamped by adopting a special stamping die structure.

In the existing grid frame strip stamping forming device, stamping forming is generally carried out at each fixed conveying step of a product material belt, and the stamping forming position of some special products is irregular, so that the traditional driving mechanism is difficult to judge when blanking is needed; in addition, the traditional stamping device only can directly adjust the size of the forming surface for the adjustment of the forming surface, the form is single, and the adjustment difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, the cylinder driving type floating forming device is simple in structure, can realize a self-defined control driving mechanism and is convenient for adjusting a forming surface.

The utility model adopts the technical proposal that: the cylinder-driven floating forming device comprises a lower die holder, wherein a lower base plate and a concave die plate are sequentially arranged on the lower die holder, a concave die cavity is formed in the concave die plate, a fixed block is arranged at the lower end of the concave die cavity, a floating block is arranged at the upper end of the concave die cavity in a sliding mode, and the floating block is elastically connected with the lower die holder; the lower cushion plate is provided with an installation cavity, an inclined sliding block and a drawing plate are arranged in the installation cavity from top to bottom, the upper end of the inclined sliding block is provided with a forming punch, the forming punch sequentially penetrates through the fixed block and the floating block, and the lower end of the inclined sliding block is provided with a first inclined guide surface; one end of the drawing plate is provided with a second inclined guide surface matched with the first inclined guide surface, the other end of the drawing plate is connected with a driving cylinder arranged on the lower die seat, and the driving cylinder drives the drawing plate to horizontally extend and retract so as to drive the inclined slide block to drive the forming punch to move up and down; and an adjusting cushion block is also arranged between the lower end of the fixing block and the upper end surface of the lower die base.

Compared with the prior art, the utility model has the following advantage:

the utility model discloses a shaping structure, the up-and-down motion of shaping drift is realized through the inclined plane cooperation on corresponding oblique slider, the take-out plate to rely on driving actuating cylinder to improve power, controls the shaping drift through driving actuating cylinder, can realize the processing of arbitrary step distance, makes the product processing can diversify; and an adjusting cushion block is additionally arranged between the fixing block and the lower die holder, and the adjusting cushion block is mainly used for adjusting the height size of the molding surface, namely, the size of the molding die does not need to be directly adjusted in the structure, the adjustment of the molding surface can be indirectly realized by replacing the adjusting cushion blocks with different heights, the die can be suitable for blanking of the flitches with different thicknesses, and the universality is improved.

As an improvement, the lower surface of one end of the drawing plate close to the driving cylinder is provided with a limiting groove extending along the horizontal direction, the lower die holder is provided with a limiting pin, and the upper end of the limiting pin is in sliding fit in the limiting groove. In the improved structure, the limit pin is adopted to limit the horizontal sliding of the drawing plate, so that the purpose that the drawing plate does not achieve forming due to too much and too little reciprocating motion is prevented, the position precision of forming at each time is ensured, and the qualification rate of finished products is improved.

Furthermore, the elastic connection of the buoyancy lifting block and the lower die base means that a mounting hole is formed in the lower die base, a first connecting bolt is slidably arranged in the mounting hole, a screw end of the first connecting bolt sequentially penetrates through the adjusting cushion block and the fixing block and then is connected with the buoyancy lifting block, and a first spring is arranged between the lower end of the first connecting bolt and the mounting hole. Floating block

And in a further improvement, a limiting sleeve is sleeved outside the first connecting bolt, the limiting sleeve is arranged on the adjusting cushion block and the fixing block in a penetrating manner, and two ends of the limiting sleeve are respectively abutted to the end faces of the bolt heads of the buoyancy lifting block and the first connecting bolt.

In another improvement, a countersunk through hole is further formed in the lower end face of the lower die base, a second connecting bolt is slidably arranged in the countersunk through hole, and the screw end of the second connecting bolt sequentially penetrates through the drawing plate and the inclined slide block and then is connected with the forming punch; the outside cover that second connecting bolt is located countersunk head through hole one end is equipped with the second spring, the both ends of second spring support respectively and lean on between countersunk head through hole terminal surface and second connecting bolt's the bolt head terminal surface.

The improved structure is characterized in that a T-shaped sliding groove is formed in the upper end of the inclined sliding block, and a T-shaped cushion block is arranged in the T-shaped sliding groove; and the T-shaped cushion block is provided with a threaded hole matched with the second connecting bolt, and the upper end of the T-shaped cushion block is propped against the lower end of the forming punch.

Drawings

Fig. 1 is a structural view of the cylinder-driven floating molding apparatus of the present invention.

Fig. 2 is a top view of the working state of the cylinder driven floating forming device of the present invention.

Fig. 3 is an enlarged structural view at X in fig. 1.

Fig. 4 is a structural view of the buoyancy lift block of the present invention.

Fig. 5 is a structural diagram of the fixing block of the present invention.

Fig. 6 is a structural diagram of an adjusting pad according to the present invention.

The device comprises a lower die base, a lower backing plate, a concave die plate, a fixed block, a floating block, a sliding block, a first guide inclined plane, a T-shaped sliding groove, a sliding plate, a second guide inclined plane, a limiting groove, a forming punch, a driving cylinder, a regulating cushion block, a limiting pin, a first connecting bolt, a first spring, a limiting sleeve, a second connecting bolt, a second spring, a 17-T-shaped cushion block and a screw plug, wherein the lower die base is 1, the lower backing plate is 2, the concave die plate is 3, the fixed block is 4, the floating block is 5, the inclined sliding block is 6, the first guide inclined plane is 6.1, the T-shaped sliding groove is 7.2, the forming punch is 8, the driving cylinder.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, it should be noted that the terms "upper end", "lower end", "up and down", "left and right", "outside", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 addition, in the description of the present invention, the terms "first" and "second" are used for convenience of description and distinction, and have no specific meaning.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the utility model provides a pair of cylinder drive formula forming device that floats, including the last mould and the lower mould that match each other, wherein the lower mould includes die holder 1, is equipped with lower bolster 2 and die board 3 from bottom to top in proper order on die holder 1, and die holder 1, lower bolster 2 and die board 3 pass through bolt fixed connection in this structure, and connection structure is stable and intensity is big.

The female die plate 3 is provided with a female die cavity, specifically, the female die cavity vertically penetrates through the whole female die plate 3, the lower end of the female die cavity is provided with a fixed block 4, the upper end of the female die cavity is provided with a floating block 5 in a sliding manner, and the floating block 5 is elastically connected with the lower die base 1; specifically, a mounting hole 1.1 is formed in the lower die holder 1, a first connecting bolt 12 is slidably arranged in the mounting hole 1.1, the screw end of the first connecting bolt 12 sequentially penetrates through the adjusting cushion block 10 and the fixing block 4 and then is connected with the floating block 5, and a first spring 13 is arranged between the lower end of the first connecting bolt 12 and the mounting hole 1.1, so that when the upper die and the lower die are assembled, the floating block 5 moves downwards to enable the upper die and the lower die to be attached to each other; after the mold is opened, the floating blocks 5 are ejected upwards under the elastic action of the first springs 13, so that the material lifting and conveying of the product material belt are facilitated. In this structure, as a modification, the mounting hole 1.1 may be a communication hole provided in the lower die base 1, and a plug 18 is screwed at a lower end of the communication hole so that the first spring 13 is abutted between an upper end surface of the plug 18 and a head of the first connecting bolt 12. The design has the advantages that during installation, after the floating block 5 and the fixed block 4 are placed on the lower die holder 1, the first connecting bolt 12 is screwed in from the lower part of the communicating hole, and after the installation is in place, the first spring is installed, and finally the screw plug 18 is screwed in; during maintenance, operation can be carried out from the lower end of the communicating hole, the screw plug 18 is unscrewed firstly, the first spring 13 is taken out, and the first connecting bolt 12 can be unscrewed, so that the maintenance is very convenient.

As shown in fig. 2, a limiting sleeve 14 is sleeved outside the first connecting bolt 12, the limiting sleeve 14 is inserted into the adjusting pad 10 and the fixing block 4, and two ends of the limiting sleeve 14 are respectively abutted against the end faces of the bolt head of the first connecting bolt 12 and the floating block 5. The length of the limit sleeve 14 is used to limit the height of the buoyancy lifting block 5, i.e. when the first connecting bolt 12 is tightened, only the two ends of the limit sleeve 14 are required to be abutted against each other.

Be equipped with the installation cavity on the lower bolster 2, top-down is equipped with oblique slider 6 and takes out board 7 in the installation cavity, and the upper end of slider 6 is equipped with shaping drift 8 to one side, and shaping drift 8 wears to establish in proper order on fixed block 4 and buoyancy lift piece 5, promptly, offers first drift die cavity 4.1, second drift die cavity 5.1 that are used for supplying shaping drift 8 to pass on fixed block 4 and buoyancy lift piece 5 respectively. During operation, the flitch is placed on the up end of buoyancy lift block 5, and during the compound die, the flitch is pressfitting location between last lower mould, then shaping drift 8 up moves, and the sword head portion of shaping drift 8 wears out buoyancy lift block 5, realizes the breaking shaping to the flitch.

Specifically, the lower end of the oblique sliding block 6 is provided with a first oblique guide surface 6.1; one end of the drawing plate 7 is provided with a second inclined guide surface 7.1 matched with the first inclined guide surface 4.1, the lower die holder 1 is provided with a corresponding driving cylinder 9, the other end of the drawing plate 7 is connected with a piston rod of the driving cylinder 9, and the driving cylinder 9 drives the drawing plate 7 to horizontally extend and retract so as to drive the inclined slide block 6 to drive the forming punch 8 to move up and down, so that blanking processing of the material plate is realized. Through driving actuating cylinder 9 to provide drive power in this structure, can control the flexible of cylinder at any time, it is concrete, can set up corresponding controller in whole device, the controller with drive actuating cylinder 9 signal connection, need in the mould structure motion process to the material strip blanking in through the drive of controller control cylinder can, compare with traditional fixed step blanking, the blanking processing of arbitrary step that can be self-defined in this neotype structure.

As shown in fig. 3, in this embodiment, an adjusting pad 10 is further disposed between the lower end of the fixing block 4 and the upper end surface of the lower die base 1. The adjusting cushion block 10 is mainly used for adjusting the height size of a molding surface, namely, the size of a molding die does not need to be directly adjusted in the structure, the adjustment of the molding surface can be indirectly realized by replacing the adjusting cushion blocks 10 with different heights, the adjusting cushion block can be suitable for blanking of flitches with different thicknesses, and the universality is improved. In addition, in order to reduce the height of the mounting cavity, the lower end of the adjusting cushion block 10 is provided with an accommodating cavity 10.1 for matching the upper end of the inclined slide block 6, so that the upper end of the inclined slide block 6 can be matched in the accommodating cavity 10.1 when the inclined slide block 6 is mounted, and the lower end of the inclined slide block is accommodated in the mounting cavity of the lower base plate 2, so that the thickness of the lower base plate 2 can be reduced, and the size of the whole die is reduced; and also to achieve the effect of light weight.

As shown in fig. 1, a limiting groove 7.2 extending in the horizontal direction is formed in the lower surface of the end of the pulling plate 7 close to the driving cylinder 9, a limiting pin 11 is arranged on the lower die holder 1, and the upper end of the limiting pin 11 is in sliding fit with the limiting groove 7.2. In the structure, the limit pin 11 is abutted against the left end surface of the limit groove 7.2, and the driving cylinder 9 is in a retracted limit position; when the limit pin 11 abuts against the right end face of the limit groove 7.2, the drive cylinder 9 is in the extreme position of the extension movement. Thereby realized taking out two extreme position's of board 7 seesaw limited, when the flexible activity drive of each time, can both guarantee to take out board 7 and oblique slider 6 and can both guarantee accurate direction cooperation at every turn promptly, guarantee fashioned stability and accuracy.

The lower end surface of the lower die holder 1 is also provided with a countersunk through hole 1.2, a second connecting bolt 15 is arranged in the countersunk through hole 1.2 in a sliding manner, and the screw end of the second connecting bolt 15 sequentially penetrates through the drawing plate 7 and the inclined slide block 6 and then is connected with the forming punch 8; the second spring 16 is sleeved outside one end of the second connecting bolt 15 located in the countersunk head through hole 1.2, and two ends of the second spring 16 respectively abut against the end face of the countersunk head through hole 1.2 and the end face of the bolt head of the second connecting bolt 15.

On the other hand, a T-shaped sliding groove 6.12 is arranged at the upper end of the inclined sliding block 6, and a T-shaped cushion block 17 is arranged in the T-shaped sliding groove 6.2; and a threaded hole matched with the second connecting bolt 15 is formed in the T-shaped cushion block 17, and the upper end of the T-shaped cushion block 17 is abutted against the lower end of the forming punch 8. In the structure, the T-shaped cushion block 17 mainly acts on the height of the forming punch 8 for indirect adjustment, so that the universality is improved; and the T-shaped structures are matched, so that the connection stability is ensured.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a cylinder drive formula forming device that floats, includes die holder (1), be equipped with lower bolster (2) and die board (3) on die holder (1) in proper order, its characterized in that: a concave die cavity is arranged on the concave die plate (3), a fixed block (4) is arranged at the lower end of the concave die cavity, a floating block (5) is arranged at the upper end of the concave die cavity in a sliding mode, and the floating block (5) is elastically connected with the lower die seat (1); the lower backing plate (2) is provided with an installation cavity, an inclined sliding block (6) and a drawing plate (7) are arranged in the installation cavity from top to bottom, a forming punch (8) is arranged at the upper end of the inclined sliding block (6), the forming punch (8) sequentially penetrates through the fixed block (4) and the floating block (5), and a first inclined guide surface (6.1) is arranged at the lower end of the inclined sliding block (6); one end of the drawing plate (7) is provided with a second inclined guide surface (7.1) matched with the first inclined guide surface (4.1), the other end of the drawing plate is connected with a driving cylinder (9) arranged on the lower die base (1), and the driving cylinder (9) drives the drawing plate (7) to horizontally extend and retract so as to drive the inclined slide block (6) to drive the forming punch (8) to move up and down; and an adjusting cushion block (10) is also arranged between the lower end of the fixing block (4) and the upper end surface of the lower die holder (1).

2. The cylinder-driven floating molding apparatus according to claim 1, characterized in that: the lower surface of one end, close to the driving cylinder (9), of the drawing plate (7) is provided with a limiting groove (7.2) extending along the horizontal direction, the lower die holder (1) is provided with a limiting pin (11), and the upper end of the limiting pin (11) is in sliding fit with the limiting groove (7.2).

3. The cylinder-driven floating molding apparatus according to claim 1 or 2, characterized in that: the utility model discloses a die holder, including die holder (1), buoyancy lift piece (5), mounting hole (1.1) are equipped with on die holder (1), mounting hole (1.1) in slide and be equipped with first connecting bolt (12), the screw rod end of first connecting bolt (12) is connected with buoyancy lift piece (5) after passing regulation cushion (10), fixed block (4) in proper order, just be equipped with first spring (13) between first connecting bolt (12) lower extreme and mounting hole (1.1).

4. The cylinder-driven floating molding apparatus according to claim 3, characterized in that: the outer portion of the first connecting bolt (12) is sleeved with a limiting sleeve (14), the limiting sleeve (14) penetrates through the adjusting cushion block (10) and the fixing block (4), and two ends of the limiting sleeve (14) are respectively abutted to the end faces of the bolt heads of the buoyancy lifting block (5) and the first connecting bolt (12).

5. The cylinder-driven floating molding apparatus according to claim 1, characterized in that: the lower end face of the lower die holder (1) is also provided with a countersunk through hole (1.2), a second connecting bolt (15) is arranged in the countersunk through hole (1.2) in a sliding manner, and the screw end of the second connecting bolt (15) sequentially penetrates through the drawing plate (7) and the inclined slide block (6) and then is connected with the forming punch (8); the outside cover that second connecting bolt (15) are located one end in countersunk head through hole (1.2) is equipped with second spring (16), the both ends of second spring (16) support respectively and lean on between the bolt head terminal surface of countersunk head through hole (1.2) terminal surface and second connecting bolt (15).

6. The cylinder-driven floating molding apparatus according to claim 5, characterized in that: a T-shaped sliding groove (6.2) is formed in the upper end of the inclined sliding block (6), and a T-shaped cushion block (17) is arranged in the T-shaped sliding groove (6.2); and a threaded hole matched with the second connecting bolt (15) is formed in the T-shaped cushion block (17), and the upper end of the T-shaped cushion block (17) is abutted against the lower end of the forming punch (8).