CN219597842U

CN219597842U - Door frame shaping assembling die

Info

Publication number: CN219597842U
Application number: CN202223480057.5U
Authority: CN
Inventors: 张一帆; 王克文; 张迎年
Original assignee: ANHUI LIYUAN NUMERICAL CONTROL CUTTING TOOL AND PATTERNS MANUFACTURING CO LTD
Current assignee: ANHUI LIYUAN NUMERICAL CONTROL CUTTING TOOL AND PATTERNS MANUFACTURING CO LTD
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-08-29
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a door frame forming combined die which comprises a lower die holder and an upper die body, wherein a first air cylinder positioned at two ends and a second air cylinder positioned in the middle are arranged on the lower die holder, a connector is arranged at the output end of the first air cylinder, a middle die body is arranged at the top of the connector through a bolt, a preliminary forming area matched with the upper die body forming area is distributed at the top of the middle die body, a lower die body positioned at the lower part of the connector is also arranged on the lower die holder, the output end of the second air cylinder is connected with the bottom of the lower die body, and a secondary forming area is arranged between the lower die body and the lower die holder. By adopting the scheme, the plate is placed in the primary forming area, the upper die body is pressed down to form the primary shape of the reverse folding structure between the upper die body and the primary forming area, then the straight section of the plate is inserted into the positioning area, and when the next plate is in the primary shape of the formed reverse folding structure, the cylinder piston rod can retract by a certain distance to finish the final processing of the reverse folding structure.

Description

Door frame shaping assembling die

Technical Field

The utility model relates to the technical field of door frame forming dies, in particular to a door frame forming combined die.

Background

The bending machine die is divided into an upper die, a lower die and a die holder of the bending machine, and is used for bending and forming and separating a plate material, wherein the forming die is provided with a cavity, and the separating die is provided with a cutting edge. The method mainly realizes the processing of the appearance of a workpiece through the change of the physical state of the formed material, and makes the plate materials with various thicknesses and materials become a workpiece with specific shape and size under the action of the pressure of a bending machine. The bending machine die is widely applied to plate bending in sheet metal industries such as metal plate, aerospace, automobile manufacturing, hardware manufacturing, stainless steel plate, household appliance industry and the like.

As shown in fig. 6, the door frame structure has seven bending structures, especially the key structure at the a of the door frame structure, and the key structure has a reverse structure, which generally needs four times of bending to be completed, four times of reciprocating positioning is needed, and the bending precision of the key structure is greatly reduced due to errors in each positioning, and the production efficiency is also required to be further optimized.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a door frame forming combined die which adopts an air cylinder as a support of a lower die body and an intermediate die body, utilizes preliminary forming of a reverse structure matched with an upper die body and a preliminary forming area and micro short-distance retraction of an air cylinder piston rod to finish final forming of the reverse structure, and can be finished by only one set of die set and two steps of working procedures, so that the efficiency is greatly improved, and the precision is ensured.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a door frame shaping assembling die, including die holder and last die body, install the cylinder one that is located both ends and the cylinder two that are located the middle part on the die holder, the connector is installed to the output of cylinder one, the middle die body is installed through the bolt at the top of connector, the preliminary shaping region with last die body shaping region adaptation has been laid at the top of middle die body, still install the lower die body that is located the connector lower part on the die holder, the output and the bottom of lower die body of cylinder two are connected, the region is the secondary shaping region between lower die body and the die holder.

By adopting the scheme, the plate is placed in the primary forming area, the upper die body is pressed down to form the primary shape of the reverse folding structure between the upper die body and the primary forming area, then the straight section of the plate is inserted into the positioning area, and when the next plate is in the primary shape of the formed reverse folding structure, the cylinder piston rod can retract by a certain distance to finish the final processing of the reverse folding structure.

The improvement is made on the basis of the embodiment, the lower die body comprises a connecting part connected with the output end of the air cylinder II and sliding relatively to the lower die holder, and a secondary molding Shi Yatou integrally connected with the connecting part, wherein a secondary molding area is enclosed between the bottom surface of the secondary molding pressing head and the top surface of the lower die holder, and a positioning area is enclosed between the top surface of the secondary molding pressing head and the bottom surface of the connector right above the secondary molding Shi Yatou.

By adopting the scheme, after the upper die body and the middle die body perform primary forming of the reverse structure, the unprocessed end socket joint is utilized to be inserted in the positioning area, the right-angle section of the reverse structure is attached to the outer wall of the secondary forming pressure applying head, the V-shaped folding angle is inserted in the secondary forming area, and when the next plate performs primary forming of the reverse structure, the V-shaped folding angle is formed to the final shape state of the reverse structure, so that the forming work of the key structure of the door frame is completed by a set of two steps of die procedures.

The improvement is made on the basis of the embodiment, the connector comprises a mounting part for mounting the middle die body through bolts and connector parts which are fixedly connected with one output end of the corresponding cylinder at two ends of the bottom surface of the mounting part.

By adopting the scheme, the area between the mounting part and the secondary forming pressing head can be used for carrying out socket joint on the non-formed plane area, the outer wall of the secondary forming pressing head is matched for positioning the primary shape of the reverse structure, and then the final processing of the reverse structure can be completed in the primary shape process of the reverse structure of the next plate, so that the processing efficiency is obviously improved.

The improvement is made on the basis of the embodiment, the primary forming area comprises an L-shaped folded angle, a V-shaped folded angle and a horizontal bearing platform which are sequentially arranged from right front to back, the L-shaped folded angle is obliquely arranged, and the top of the L-shaped folded angle is coplanar with the horizontal bearing platform.

The improvement is made on the basis of the embodiment, and the surfaces of the molding area of the upper die body and the primary molding area of the middle die body are respectively provided with a nitriding layer or a boron carbon oxygen nitrogen sulfur five-membered co-permeation layer. The nitriding layer is utilized to form a layered structure with higher strength on the surfaces of the upper die body and the primary forming area, so that the structural strength is ensured, or substances which are loose on the surface layer and can adsorb a certain amount of oil or lubricating medium are used for assisting in forming, and marks (scratches, grinding marks and the like) on the surface during plate forming are avoided.

The improvement is made on the basis of the embodiment, the lower die holder is provided with a mounting groove for mounting the first air cylinder and the second air cylinder, and the side part of the mounting groove is provided with a threaded hole. The corresponding air cylinder is installed through the installation groove, and the corresponding air cylinder is installed and fixed through the threaded hole.

Drawings

FIG. 1 is a side view of the overall structure of the present utility model;

FIG. 2 is a front view of the overall structure of the present utility model;

FIG. 3 is a diagram showing the connection relationship between the lower die body and the lower die base of the present utility model;

FIG. 4 is a side view of the lower die body of the present utility model;

FIG. 5 is a side view of the lower die holder of the present utility model;

fig. 6 is a schematic view of the structure of the final workpiece of the present utility model.

In the figure: 10. a lower die holder; 11. a first cylinder; 12. a second cylinder; 13. a connector; 131. a mounting part; 132. a joint; 14. a middle mold body; 15. a lower die body; 151. a connection part; 152. sub-molding Shi Yatou; 16. an L-shaped folding angle; 17. v-shaped folding angle; 18. a horizontal bearing platform; 19. a mounting groove; 20. and (5) an upper die body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1 to 6, a door frame forming combined die comprises a lower die holder 10 and an upper die body 20, wherein a first cylinder 11 positioned at two ends and a second cylinder 12 positioned in the middle are arranged on the lower die holder 10, a mounting groove 19 for mounting the first cylinder 11 and the second cylinder 12 is arranged on the lower die holder 10, and threaded holes are arranged on the side parts of the mounting groove 19.

The output end of the first cylinder 11 is provided with a connector 13, and the connector 13 comprises a mounting part 131 for mounting the middle die body 14 through bolts and a joint part 132 which is fixedly connected with the output end of the corresponding first cylinder 11 at two ends of the bottom surface of the mounting part 131. The top (installation department 131) of connector 13 passes through the bolt and installs the intermediate die body 14, and the top of intermediate die body 14 has been laid and has been gone up the preliminary shaping region of die body 20 shaping region adaptation, and preliminary shaping region includes L type dog-ear 16, V type dog-ear 17 and the horizontal cushion cap 18 that right front to back laid in proper order, and L type dog-ear 16 slope is laid and the top of L type dog-ear 16 and horizontal cushion cap 18 coplane. When the upper die body 20 moves downwards to form, the top of the L-shaped folded angle 16 and the horizontal bearing platform 18 are positioned in the same plane, so that the plate is simultaneously folded at the left side and the right side of the L-shaped folded angle 16 by taking the top as a boundary, the plate positioned at the right side is firstly folded at the right side part of the L-shaped folded angle 16, then a key structure is formed through the V-shaped folded angle 17, and the key structure is formed, so that the reverse folded structure is formed to finish initial forming.

It should be noted that, since the angle of the L-shaped folded angle 16 is generally 90 °, if it is not obliquely arranged, the primary processing of the reverse folding structure cannot be performed, once the angle is set to be the oblique structure, the processing and forming of the V-shaped folded angle 17 becomes more difficult because the angle of the V-shaped folded angle 17 is relatively small, generally only about 25 °, due to the use of a single die and the short-distance retraction characteristic of the cylinder piston rod.

The lower die holder 10 is also provided with a lower die body 15 positioned at the right lower part of the mounting part 131 of the connector 13, the output end of the second air cylinder 12 is connected with the bottom of the lower die body 15, and the piston rod of the second air cylinder 12 is retracted in a short distance, so that the lower die body 15 can be used for forming the V-shaped structure 17 after the initial shape into the final processing of a reverse-folded structure, and the area between the lower die body 15 and the lower die holder 10 is a secondary forming area.

The lower die body 15 includes a connecting portion 151 connected to the output end of the second cylinder 12 and sliding relatively to the lower die holder 10, and a secondary molding pressing head 152 integrally connected to the connecting portion 151, where a secondary molding area is enclosed between the bottom surface of the secondary molding pressing head 152 and the top surface of the lower die holder 10, and a positioning area is enclosed between the top surface of the secondary molding pressing head 152 and the bottom surface of the connector 13 located right above the secondary molding pressing head 152.

When the novel bending machine is used, firstly, a plate is arranged at a positioning area of a horizontal plane formed by the L-shaped folded angle 16 and the horizontal bearing platform 18, the upper die body 20 moves downwards, the plate is folded into a primary form of a reverse-folding structure, then, a horizontal section part of the plate is inserted into the positioning area between the lower die body 15 and the mounting part 131, the right angle of the primary form of the reverse-folding structure is positioned through the outer wall of the secondary forming pressurizing head 152, meanwhile, a V-shaped structure of the primary form of the reverse-folding structure is positioned in the secondary forming area, a new plate is arranged at the positioning area of a horizontal plane formed by the L-shaped folded angle 16 and the horizontal bearing platform 18, the new plate is formed into the primary form of the reverse-folding structure through the lower die body 20, and meanwhile, the V-shaped structure positioned at the secondary forming area can be folded into a final form of the reverse-folding structure, and the bending treatment of the key structure can be completed only through a set of two steps of dies.

Example 2

As shown in fig. 1 to 6, the above embodiments are modified in that the surface of the molding region of the upper die body 20 and the surface of the preliminary molding region of the intermediate die body 14 are each provided with a nitriding layer. And a nitriding layer is utilized to form a layered structure with higher strength on the surfaces of the upper die body and the primary forming area, so that the structural strength is ensured.

Example 3

As shown in fig. 1 to 6, unlike the above embodiment, the surface of the molding region of the upper mold body 20 and the surface of the preliminary molding region of the intermediate mold body 14 are both provided with a boron-carbon-oxygen-nitrogen-sulfur five-membered co-permeation layer. The surface layer loose brought by the boron carbon nitrogen oxygen sulfur five-membered co-permeation layer can absorb a certain amount of oil or lubricating medium substances to assist in forming, and trace (scratch, grinding trace and the like) on the surface during plate forming is avoided, so that traceless bending forming processing is realized.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the utility model concept are equivalent to or changed in accordance with the utility model, and the utility model is covered in the protection scope of the utility model.

Claims

1. The utility model provides a door frame shaping assembling die, a serial communication port, including die holder (10) and last die body (20), install cylinder one (11) and cylinder two (12) that are located the middle part that are located both ends on die holder (10), connector (13) are installed to the output of cylinder one (11), well die body (14) are installed through the bolt in the top of connector (13), the preliminary shaping region with last die body (20) shaping region adaptation has been laid at the top of well die (14), still install lower die body (15) that are located connector (13) lower part on die holder (10), the output and the bottom of lower die body (15) of cylinder two (12) are connected, the region is the secondary shaping region between lower die body (15) and die holder (10).

2. The door frame molding assembling die according to claim 1, wherein the lower die body (15) comprises a connecting portion (151) connected with the output end of the second air cylinder (12) and sliding relatively to the lower die holder (10), and a secondary molding Shi Yatou (152) integrally connected with the connecting portion (151), a secondary molding area is enclosed between the bottom surface of the secondary molding Shi Yatou (152) and the top surface of the lower die holder (10), and a positioning area is enclosed between the top surface of the secondary molding Shi Yatou (152) and the bottom surface of the connector (13) located right above the secondary molding Shi Yatou (152).

3. The door frame molding assembling die according to claim 1, wherein the connecting head (13) comprises a mounting part (131) for mounting the middle die body (14) through bolts and a joint part (132) for fixedly connecting two ends of the bottom surface of the mounting part (131) with the output end of the corresponding first cylinder (11).

4. The door frame forming combined die according to claim 1, wherein the preliminary forming area comprises an L-shaped folding angle (16), a V-shaped folding angle (17) and a horizontal bearing platform (18) which are sequentially arranged from right front to back, the L-shaped folding angle (16) is obliquely arranged, and the top of the L-shaped folding angle (16) is coplanar with the horizontal bearing platform (18).

5. The door frame forming combined die according to claim 1, wherein the surface of the forming area of the upper die body (20) and the surface of the preliminary forming area of the middle die body (14) are both provided with nitriding layers or boron carbon oxygen nitrogen sulfur five-membered co-permeation layers.

6. The door frame forming combined die according to claim 1, wherein the lower die holder (10) is provided with a mounting groove (19) for mounting the first air cylinder (11) and the second air cylinder (12), and threaded holes are formed in the side portions of the mounting groove (19).