CN217121427U - Precise cold punching die frame for bicycle steel ring production - Google Patents

Abstract

The utility model provides an accurate cold punching die frame for bicycle steel ring production, the on-line screen storage device comprises a base, the base upper end is equipped with a plurality of supporting legs, and a plurality of supporting legs support there is the lower die carrier, and this lower die carrier is opened has the inclined plane guide rail, and this lower die carrier upper end one side is equipped with first backup pad, and this first backup pad both sides are equipped with the guiding axle, and this guiding axle one end is connected with the locating plate, and this first backup pad middle part is equipped with the screw rod, and this screw rod one end is equipped with the twist grip, and this screw rod other end is connected with the locating plate, the utility model discloses a setting of support and optical axis rotates the carousel and will install the support removal to the steel ring middle part on the optical axis through the rotary drum, supports the steel ring location steel ring to punching machine position, also can support the rotatory hole that dashes different positions of fixed steel ring simultaneously.

Description

A precision cold stamping die set for bicycle steel ring production

technical field

The utility model belongs to the technical field of numerical control cold punching, in particular to a precision cold punching die set used for the production of bicycle steel rings.

Background technique

The mold base is the support of the mold. It consists of a push-out mechanism, a guide mechanism, a pre-reset mechanism, a mold foot pad, and a seat plate. The mold base is a semi-finished product of the mold. It is composed of various steel plates with matching parts. For the skeleton of the whole set of molds, due to the great difference between the mold base and the processing involved in the mold, the mold manufacturer will choose to order the mold base from the mold base manufacturer to take advantage of the production advantages of both parties to improve the overall production quality and efficiency.

The current cold stamping die set for bicycle steel ring production cannot adjust the position of the steel ring, including adjusting the positioning of the steel ring or punching.

Therefore, it is very necessary to invent a precise cold stamping die set for the production of bicycle steel rims.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the present invention provides a precision cold stamping die set for the production of bicycle steel rings, which includes a base, the upper end of the base is provided with a plurality of supporting legs, and the plurality of supporting legs support a lower die set. The mold frame is provided with inclined guide rails, the upper end of the lower mold frame is provided with a first support plate, the two sides of the first support plate are provided with guide shafts, one end of the guide shaft is connected with a positioning plate, and the middle of the first support plate is provided with A screw, one end of the screw is provided with a rotating handle, the other end of the screw is connected with a positioning plate, the other side of the upper end of the lower mold frame is provided with a second support plate, the middle of the second support plate is provided with an optical axis, one end of the optical axis is provided with There is a turntable, the other end of the optical axis is provided with a retaining ring, one side of the retaining ring is provided with a bracket, the top of the bracket is provided with a steel ring, the upper end of the lower mold frame is provided with a plurality of columns, and one end of the plurality of columns is provided with an upper mold frame. A punching machine is arranged in the middle of the upper die frame.

A circular arc groove is formed in the middle of the inclined guide rail.

Both sides of the first support plate are provided with guide shaft holes, the guide shafts on both sides penetrate the first support plate through the guide shaft holes and are connected to the positioning plate, and the guide shafts are adapted to the guide shaft holes.

A rotating drum is arranged on one side of the retaining ring, and a bracket is installed on the rotating drum, and the brackets are provided with a plurality of them.

An optical axis hole is opened in the middle of the second supporting plate, the optical axis penetrates through the second supporting plate through the optical axis hole, and the optical axis is adapted to the optical axis hole.

The screw rod is screwed with the first support plate, and the screw rod penetrates the first support plate and is connected to the positioning plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. The setting of the inclined guide rail and the arc groove of the present utility model, the steel ring is automatically positioned in the arc groove through the inclined guide rail, which is convenient for the support to lift the steel ring, and the inclined guide rail is arranged to facilitate export and import.

2. The setting of the support and the optical axis of the present utility model, the rotating turntable will move the support installed on the optical axis through the rotating drum to the middle of the steel ring, and the support will support the steel ring and position the steel ring to the position of the punching machine, and can also support fixed at the same time. The steel ring rotates to punch holes in different positions.

3. The positioning plate of the present utility model is arranged. The positioning plate is connected with the screw thread through the thread, and the rotating handle is rotated to move the positioning plate to locate the swing position of the steel ring, which can also prevent the steel ring from moving laterally during processing.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the sectional view of the arc groove of the present utility model;

Fig. 3 is the partial enlarged view of the optical axis of the present utility model and the rotating drum;

4 is a partial enlarged view of the optical axis hole of the present invention;

Fig. 5 is the structural representation of the guide shaft and the screw of the present invention;

6 is a partial enlarged view of the guide shaft hole of the present invention.

In the picture:

1-Base, 2-Support leg, 3-Lower die base, 4-Slope guide rail, 41-Arc groove, 5-First support plate, 51-Guide shaft, 511-Guide shaft hole, 52-Screw rod, 53 -Rotary handle, 6-positioning plate, 7-second support plate, 71-optical axis, 711-optical axis hole, 72-turntable, 73-retaining ring, 74-rotating drum, 8-support, 9-steel ring, 10-column, 11-upper die set, 12-pressing machine.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

Example:

As shown in Figure 1 to Figure 6

The utility model provides a precision cold stamping die set for the production of bicycle steel rings, comprising a base 1, the upper end of the base 1 is provided with a plurality of supporting legs 2, the plurality of supporting legs 2 support a lower die set 3, the lower die The frame 3 is provided with an inclined surface guide rail 4, a first support plate 5 is arranged on one side of the upper end of the lower mold frame 3, and a guide shaft 51 is arranged on both sides of the first support plate 5, and one end of the guide shaft 51 is connected with a positioning plate 6. The middle of the first support plate 5 is provided with a screw 52, one end of the screw 52 is provided with a rotating handle 53, the other end of the screw 52 is connected with a positioning plate 6, and the other side of the upper end of the lower mold frame 3 is provided with a second support plate 7, the The middle of the second support plate 7 is provided with an optical axis 71, one end of the optical axis 71 is provided with a turntable 72, the other end of the optical axis 71 is provided with a retaining ring 73, one side of the retaining ring 73 is provided with a bracket 8, the top of the bracket 8 is provided with Steel ring 9, the upper end of the lower mold frame 3 is provided with a plurality of uprights 10, one end of the plurality of uprights 10 is provided with an upper mold frame 11, the middle of the upper mold frame 11 is provided with a punch 12, and the uprights 10 and the upper mold frame 11 are gap-fitted , the upper die frame 11 and the punching machine 12 are in clearance fit.

An arc groove 41 is opened in the middle of the inclined guide rail 4, and the steel ring 9 is automatically positioned in the arc groove 41 through the inclined guide rail 4, which is convenient for the bracket 8 to lift up the steel ring 9, and the inclined guide rail 4 is convenient for the steel ring. 9 Export and import.

The first support plate 5 is provided with guide shaft holes 511 on both sides. The guide shafts 51 on both sides penetrate the first support plate 5 through the guide shaft holes 511 and are connected to the positioning plate 6. The guide shafts 51 are adapted to the guide shaft holes 511. , the guide shafts 51 on both sides can move through the guide shaft holes 51 according to the position of the positioning plate 6 .

A rotating drum 74 is provided on one side of the retaining ring 73 , and a plurality of brackets 8 are installed on the rotating drum 74 .

An optical axis hole 711 is opened in the middle of the second support plate 7 , and the optical axis 71 penetrates through the second support plate 7 through the optical axis hole 711 . The optical axis 71 is adapted to the optical axis hole 711 and can be adjusted according to the position of the steel ring 9 Bracket 8 position.

The screw 52 is threadedly matched with the first support plate 5. The screw 52 penetrates the first support plate 5 and is connected to the positioning plate 6. The positioning plate is threadedly connected with the screw 52, and the rotary handle 53 is rotated to move the positioning plate 6 to position the steel ring. 9 swing position, can also prevent the steel ring 9 from moving laterally during processing.

working principle

In the present invention, the steel ring 9 passes through the inclined surface guide rail 4 opened by the lower mold frame 3, and the steel ring 9 is automatically positioned and introduced into the arc groove 41 through the inclined surface guide rail 4, the turntable 72 is rotated, and the optical axis 71 is driven through the optical axis hole 711. The bracket 8 on the rotating drum 74 will move to lift the steel ring 9, and the rotating handle 53 is rotated to drive the screw 52 to laterally position the steel ring 9 on the positioning plate 6 through the threaded connection with the first support plate 5, and support the bracket 8. The lifting steel ring 9 realizes the positioning of the steel ring 9 relative to the punching machine 12, and the machining is made precise through various positioning. At the same time, the bracket 8 supports the fixed steel ring 9 to rotate, so that the punching machine 12 can punch holes in different positions. After the end, the turntable is rotated. 72 to withdraw the bracket 8, the rotating handle 53 to withdraw the positioning plate 6, and the steel ring 9 to lead out the steel ring 9 through the inclined guide rail 4.

Using the technical solutions described in the present invention, or those skilled in the art under the inspiration of the technical solutions of the present invention, design similar technical solutions, and achieve the above technical effects, all fall within the protection scope of the present invention. .

Claims (6)

1. A precision cold stamping die set for the production of bicycle steel rings, comprising a base (1), characterized in that: the upper end of the base (1) is provided with a plurality of support legs (2), a plurality of support legs (2) A lower mold frame (3) is supported, the lower mold frame (3) is provided with an inclined guide rail (4), and a first support plate (5) is provided on one side of the upper end of the lower mold frame (3), and the first support plate ( 5) A guide shaft (51) is provided on both sides, one end of the guide shaft (51) is connected with a positioning plate (6), a screw (52) is provided in the middle of the first support plate (5), and one end of the screw (52) is provided with a threaded rod (52). There is a rotating handle (53), the other end of the screw rod (52) is connected with a positioning plate (6), the other side of the upper end of the lower mold frame (3) is provided with a second support plate (7), the second support plate (7) ) in the middle is provided with an optical axis (71), one end of the optical axis (71) is provided with a turntable (72), the other end of the optical axis (71) is provided with a retaining ring (73), one side of the retaining ring (73) is provided with A bracket (8), the bracket (8) is provided with a steel ring (9), a plurality of uprights (10) are arranged at the upper end of the lower mold frame (3), and an upper mold frame (11) is arranged at one end of the plurality of uprights (10) , a punching machine (12) is arranged in the middle of the upper die frame (11). 2 . The precision cold stamping die set for bicycle steel ring production according to claim 1 , wherein a circular arc groove ( 41 ) is formed in the middle of the inclined guide rail ( 4 ). 3 . 3. A precision cold stamping die set for bicycle steel ring production according to claim 2, characterized in that: the first support plate (5) is provided with guide shaft holes (511) on both sides, and both sides guide The shaft (51) penetrates the first support plate (5) through the guide shaft hole (511) and is connected to the positioning plate (6), and the guide shaft (51) is adapted to the guide shaft hole (511). 4. A precision cold stamping die set for bicycle steel ring production according to claim 3, characterized in that: a rotating drum (74) is provided on one side of the retaining ring (73), and the bracket (8) is installed on the On the rotating drum (74), a plurality of brackets (8) are provided. 5. A precision cold stamping die set for bicycle steel ring production according to claim 4, characterized in that: an optical axis hole (711) is opened in the middle of the second support plate (7), and the optical axis (71 ) penetrates through the second support plate (7) through an optical axis hole (711), and the optical axis (71) is adapted to the optical axis hole (711). 6. A precision cold stamping die set for bicycle steel ring production according to claim 5, characterized in that: the screw (52) is threadedly matched with the first support plate (5), and the screw (52) penetrates through the first support plate (5). A support plate (5) is connected to the positioning plate (6).

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