CN217223238U - A molding die for producing seat back frame - Google Patents

Abstract

The utility model discloses a moulded die for producing back of chair frame belongs to mould technical field, including lower bolster, cope match-plate pattern, its characterized in that: the lower bolster middle part below sets up the bottom plate, bottom plate upper portion sets up the ejector pin, the ejector pin run through the lower bolster and with lower bolster sliding connection, ejector pin upper portion sets up the layer board, lower bolster upper portion one side sets up first support, first support upper portion is rotated and is set up first rotation seat, first rotation seat upper portion sets up first layer board, lower bolster upper portion is kept away from first support one side and is set up the second support, second support upper portion is rotated and is set up the second and rotate the seat, the second rotates seat upper portion and sets up the second layer board, the upper bolster below sets up the fixed plate, fixed plate lower part intermediate position sets up presses the material pad, press the material pad lower part to set up and press the flitch, the utility model discloses satisfied back of the chair frame behind single plane basic molding effectively, further stably suppressed in the particular position to make it possess certain radian, promote the processing demand of comfort level.

Description

A molding die for producing seat back frame

technical field

The utility model relates to the technical field of moulds, in particular to a forming mould for producing a seat back frame.

Background technique

Furniture is an indispensable part of life, and chairs are an important branch of furniture. In addition to traditional wooden chairs, the furniture industry is increasingly using stronger, more stable and lighter metal materials to make chair frames, or chair parts. , such as the seat back frame, the processing of the metal seat back frame requires the use of specific molds. Although the existing molds can meet the basic production requirements, there are still certain problems: manufacturers who pursue a better user experience, after the seat back frame is basically formed, will It is further pressed to make it have a certain radian in a specific position, and it is more comfortable to lean on. Most of the existing molds are only pressed by the upper and lower molds, so that the basic molding of the seat back frame is only completed on a single plane. The pressing work is often difficult to complete. Even if it is involved, it is difficult to ensure the processing quality due to the poor stability of the necessary positions, especially the arc positions. Based on this situation, how can the seat back frame be basically formed on a single plane? It is further stably pressed at a specific position to make the seat back frame have a certain curvature and improve its comfort, which is increasingly becoming an urgent problem for relevant technicians to solve.

Utility model content

In order to solve the above technical problems, the present invention provides a molding die for producing a seat back frame.

A molding die for producing a seat back frame, comprising a lower template and an upper template, characterized in that: a lower support plate is arranged below the middle of the lower template, and a top rod is arranged on the upper part of the lower support plate, and the top rod penetrates through the bottom plate. The lower formwork is slidably connected to the lower formwork, the upper part of the ejector rod is provided with an upper support plate, the upper part of the lower formwork is provided with a first bracket, the upper part of the first bracket is rotatably provided with a first rotating seat, the first A first support plate is arranged on the upper part of a turning seat, a second bracket is arranged on the upper part of the lower template away from the first bracket, a second turning seat is arranged on the upper part of the second bracket, and a second turning seat is arranged on the upper part of the second turning seat. Two pallets.

Further, connecting bolts are provided on the side of the first supporting plate and the second supporting plate away from the upper supporting plate, first bolts are provided on the same side of the lower template and the first bracket, and the lower template and the A second bolt is arranged on the same side of the second bracket, a first tension spring is arranged between the first bolt and the connection bolt above it, and a second tension spring is arranged between the second bolt and the connection bolt above it.

Further, the upper formwork is located above the lower formwork, a fixing plate is arranged below the upper formwork, a pressing pad is arranged in the middle of the lower part of the fixing plate, a pressing plate is arranged on the lower part of the pressing pad, and the fixing plate is A first punch is arranged on the side of the lower part close to the first support plate, and a second punch is arranged at the lower part of the fixing plate at the side close to the second plate.

Further, the side of the first punch close to the first support plate and the side of the second punch close to the second support plate are both set as curved surfaces.

Further, a second support column is symmetrically arranged at the lower part of the lower formwork, a foot pad is arranged at the lower part of the second support column, a first support column is arranged at the lower part of the upper template, and both ends of the first support column are respectively connected with the upper part. The template is fixedly connected with the fixing plate.

The beneficial effects of a molding die for producing a seat back frame of the present invention are:

1. The staff only needs to place the chair back frame that has been basically formed on a single plane on the surface of the first pallet, the second pallet and the upper pallet, and press down the upper formwork until the first punch, the second convex The mold, the pressing plate and the seat back frame are fitted together, and the first punch and the first support plate and the second punch and the second support plate can be matched, so as to effectively satisfy the basic molding of the seat back frame on a single plane. After that, it is further stably pressed in a specific position to make it have a certain arc and improve the processing requirements of comfort;

2. After the forming work is completed, just move the upper template up until it is reset, the first tension spring and the second tension spring can automatically reset the first support plate and the second support plate to the horizontal state, and the hydraulic cylinder under the lower template simultaneously Pushing up the lower support plate, the top rod and the upper support plate can further balance the seat back frame, effectively ensuring the unloading efficiency of the formed seat back frame;

3. The second support column and foot pad effectively ensure the stability of the lower mold part, and the first support column, the fixing plate and the pressing pad effectively ensure the stability of the upper mold part, and the stability of the molding die is thus be effectively guaranteed.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings that are required to be used in the description of the embodiments or the prior art are briefly introduced below, but are not intended to limit the protection scope of the present invention. limit.

Fig. 1 is a kind of side view structure schematic diagram of a molding die for producing seat back frame according to the present invention;

FIG. 2 is a schematic top view of the structure of a molding die for producing a seat back frame according to the present invention.

Among them, 1-upper formwork, 2-first support column, 3-fixed plate, 4-first punch, 5-first support plate, 6-seat back frame, 7-first rotating seat, 8-first Bracket, 9-first tension spring, 10-first bolt, 11-lower template, 12-lower support plate, 13-top rod, 14-foot pad, 15-second support column, 16-second bolt, 17 -Second tension spring, 18-Second bracket, 19-Second rotating seat, 20-Second pallet, 21-Second punch, 22-Up pallet, 23-Pressing plate, 24-Pressing pad .

Detailed ways

To make the description clearer, a molding die for producing a seat back frame of the present invention will be further described with reference to Figures 1 to 2 of the accompanying drawings.

A molding die for producing a seat back frame, comprising a lower template 11 and an upper template 1, is characterized in that: a lower support plate 12 is arranged below the middle of the lower template 11, and a top rod 13 is arranged on the upper part of the lower support plate 12, The top rod 13 penetrates the lower template 11 and is slidably connected with the lower template 11. An upper support plate 22 is provided on the upper part of the top rod 13, and a first bracket 8 is provided on the upper side of the lower template 11. The upper part of a bracket 8 is rotatably provided with a first rotating seat 7, the upper part of the first rotating seat 7 is provided with a first support plate 5, the upper part of the lower template 11 is provided with a second bracket 18 on the side away from the first bracket 8, and the The upper part of the second bracket 18 is rotatably provided with a second rotating base 19 , and the upper part of the second rotating base 19 is provided with a second supporting plate 20 .

Further, connecting bolts are provided on the side of the first supporting plate 5 and the second supporting plate 20 away from the upper supporting plate 22 , and the first bolt 10 is provided on the same side of the lower template 11 and the first bracket 8 , A second bolt 16 is arranged on the same side of the lower template 11 and the second bracket 18 , a first tension spring 9 is arranged between the first bolt 10 and the connecting bolt above, and the second bolt 16 is connected to the upper part. A second tension spring 17 is provided between the bolts.

Further, the upper template 1 is located above the lower template 11 , a fixing plate 3 is arranged below the upper template 1 , a pressing pad 24 is arranged in the middle of the lower part of the fixing plate 3 , and a pressing pad 24 is arranged on the lower part of the pressing pad 24 . For the material plate 23 , a first punch 4 is arranged at the lower part of the fixing plate 3 on the side close to the first support plate 5 , and a second punch 21 is arranged at the lower part of the fixing plate 3 at the side close to the second supporting plate 20 .

Further, the side of the first punch 4 close to the first support plate 5 and the side of the second punch 21 close to the second support plate 20 are both set as curved surfaces.

Further, a second support column 15 is symmetrically arranged at the lower part of the lower formwork 11 , a foot pad 14 is arranged at the lower part of the second support column 15 , a first support column 2 is arranged at the lower part of the upper template 1 , and the first support column 2 Both ends are fixedly connected to the upper template 1 and the fixing plate 3 respectively.

The working principle of a molding die for producing a seat back frame of the present invention is as follows: the seat back frame 6 that has been basically formed on a single plane is placed on the upper surfaces of the first support plate 5 and the second support plate 20, The supporting hydraulic cylinder below the lower template 11 pushes the lower supporting plate 12, the ejector rod 13, and the upper supporting plate 22 upward as a whole until the upper surface of the upper supporting plate 22 is attached to the seat back frame 6, and the upper template 1 is lowered to the template 11. The direction moves down vertically until the lower surface of the pressing plate 23 is in contact with the seat back frame 6. During this process, the first punch 4 and the second punch 21 gradually push the seat back frame 6 downward, and the first support plate 5 As the first rotating base 7 rotates clockwise around the first bracket 8, the second supporting plate 20 rotates counterclockwise around the second supporting plate 18 with the second rotating base 19, and the upper surfaces of the first supporting plate 5 and the second supporting plate 20 are always in line with each other. The seat back frame 6 is attached, and the upper support plate 22, the ejector rod 13, and the lower support plate 12 move down with the output end of the supporting hydraulic cylinder. When the lower surface of the pressing plate 23 is attached to the seat back frame 6, the seat back frame 6 and The corresponding positions of the first punch 4 and the second punch 21 generate the same curved surface shape as the first punch 4 and the second punch 21 and complete the forming work. The upper plate 1 is vertically moved up until it is reset, and the first tension spring 9. Automatically reset the first support plate 5 to the horizontal state, the second tension spring 17 automatically resets the second support plate 20 to the horizontal state, and the supporting hydraulic cylinder simultaneously uses the lower support plate 12, the ejector rod 13, and the upper support plate 22 as one Move upward as a whole until the upper surface of the upper support plate 22 is parallel to the upper surface of the first support plate 5, and the seat back frame 6 is in a stable state at this time, and the staff can take it away to complete a working cycle.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope defined by the claims.

Claims (5)

1. The utility model provides a moulded die for producing back of chair frame, includes lower bolster, cope match-plate pattern, its characterized in that: the lower die comprises a lower die plate and is characterized in that a lower supporting plate is arranged below the middle of the lower die plate, an ejector rod is arranged on the upper portion of the lower supporting plate, the ejector rod penetrates through the lower die plate and is in sliding connection with the lower die plate, an upper supporting plate is arranged on the upper portion of the ejector rod, a first support is arranged on one side of the upper portion of the lower die plate, a first rotating seat is arranged on the upper portion of the first support in a rotating mode, a first supporting plate is arranged on the upper portion of the first rotating seat, a second support is arranged on one side, away from the first support, of the upper portion of the lower die plate, a second rotating seat is arranged on the upper portion of the second support in a rotating mode, and a second supporting plate is arranged on the upper portion of the second rotating seat.

2. The forming die for producing the chair back frame as claimed in claim 1, wherein connecting bolts are arranged on the sides of the first supporting plate and the second supporting plate away from the upper supporting plate, a first bolt is arranged on the same side of the lower die plate and the first support, a second bolt is arranged on the same side of the lower die plate and the second support, a first tension spring is arranged between the first bolt and the connecting bolt above the first bolt, and a second tension spring is arranged between the second bolt and the connecting bolt above the second bolt.

3. The forming die for producing the chair back frame as claimed in claim 1, wherein the upper die plate is located above the lower die plate, a fixing plate is arranged below the upper die plate, a material pressing pad is arranged at a middle position of the lower portion of the fixing plate, a material pressing plate is arranged below the material pressing pad, a first male die is arranged at the lower portion of the fixing plate close to one side of the first supporting plate, and a second male die is arranged at the lower portion of the fixing plate close to one side of the second supporting plate.

4. The forming die for producing a seatback frame according to claim 3, wherein a side of the first male die adjacent to the first blade and a side of the second male die adjacent to the second blade are each provided with a curved surface.

5. The forming die for producing the chair back frame as claimed in claim 3, wherein the lower die plate is symmetrically provided with second supporting columns at the lower part, the second supporting columns are provided with foot pads at the lower part, the upper die plate is provided with first supporting columns at the lower part, and two ends of each first supporting column are respectively fixedly connected with the upper die plate and the fixing plate.

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