Progressive die side whole concave forming mechanism

By designing a progressive die side-forming and concave forming mechanism, and utilizing the coordinated motion of the double-slider side-pushing forming module and the die assembly, the concave forming and side-forming problems of the rear door hinge bracket of the T167 model were solved, improving the precision of the stamped products and the subsequent welding quality.

CN223629375UActive Publication Date: 2025-12-05TIANJIN HUAXIA VEHICLE MFG
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Patent Information

Application Number
CN202520237323.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-05
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

In the existing technology, the stamping process of the rear door hinge bracket of the T167 model cannot achieve continuous production of concave forming and side shaping, which makes it difficult to design the mold structure and fails to meet the product's process requirements.

Method used

A progressive die side-shaping and concave forming mechanism was designed, including a double-slider side-pushing forming module, a base plate, a punch group, a concave die group and an upper die group. The process requirements of side shaping and concave forming are achieved through the coordinated movement of the punch and the concave die. The product shape is formed by the movement of the punch slider and the upper die pressing core.

Benefits of technology

The side forming and concave forming process of the rear door hinge bracket of the T167 model was realized, which improved the accuracy of key positions of the stamped product and ensured the quality of subsequent welding projects.

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Abstract

The utility model discloses a side-shaping concave forming mechanism of a progressive die. Comprising a double-sliding-block side pushing forming module, a base plate and a punching machine, the double-sliding-block side pushing forming module comprises a male die set, a female die set and an upper die set, and a stamping part structure containing space is defined by an upper die pressing core of the upper die set, a male die of the male die set and a side shaping female die of the female die set and used for machining a machined product. By means of horizontal sliding of the side shaping male die, vertical movement of the upper die material pressing core and horizontal sliding of the side shaping female die, the two technological requirements of side shaping and inward concave forming are met, and product modeling is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the equipment technical field of punch forming, specifically is a kind of progressive die side shaping inner recess forming mechanism. BACKGROUND

[0002] The stamping of the rear door hinge support of T167 vehicle model adopts progressive die continuous production mode, and there are 15 working steps. According to the stamping process analysis, the product has inner recess forming and side shaping process, in order to realize this process, the die structure needs to be designed into a side shaping inner recess forming mechanism to realize the process requirements of the product.

[0003] Since this type of part has a style with inner recess shape, it cannot be returned during continuous stamping, so a set of side shaping inner recess forming mechanism needs to be designed to realize it, that is, a punch that can slide into position for side shaping and inner recess forming, at the same time, the upper die pressure core also reaches the position to press the material and form the inner recess, and the side shaping recess finally reaches the position to realize side shaping. UTILITY MODEL CONTENTS

[0004] In view of the problems in the background art, the utility model provides a kind of progressive die side shaping inner recess forming mechanism, technical scheme includes: double slider side push forming module, base plate and punch press, the double slider side push forming module includes: punch group, recess group and upper die group, the upper die pressure core of upper die group, the punch of punch group and the side shaping recess of recess group form stamping piece structure containing space for processing processed product.

[0005] The punch group includes: punch, punch base, punch driven wedge, punch nitrogen spring, punch trajectory protection strip, lower wear plate and rear wear plate, wherein the punch is integrally connected with the punch base, the punch base linearly slides back and forth along the area between the two punch trajectory protection strips, and the punch trajectory protection strip is fixed to the base plate by bolts; the punch base is placed above the lower wear plate, the lower wear plate is fixed to the base plate by bolts, one end of the punch nitrogen spring is installed in the spring mounting column, and the spring mounting column is fixed below the punch base; the other end of the punch nitrogen spring is installed on the base plate through the spring mounting block; the punch driven wedge is fixed to the upper slide block of the punch press, and the first inclined surface arranged in front of the punch driven wedge cooperates with the second inclined surface arranged behind the punch base.

[0006] The recess group includes: side shaping recess, nitrogen spring return standard wedge assembly and recess support wear plate, the fixed end of the nitrogen spring return standard wedge assembly is fixed to the base plate by bolts, the moving end of the nitrogen spring return standard wedge assembly is fixed to the side shaping recess, and the recess support wear plate is arranged below the side shaping recess, and the recess support wear plate is fixed to the base plate by bolts.

[0007] The upper die set comprises an upper die pressing core and an upper die mounting base, the upper die pressing core is fixed with the upper die mounting base, and the upper die mounting base is fixed with the upper slide of the punch machine through an extension rod.

[0008] The rear wear plate is arranged behind the male die active inclined wedge, is fixed with the steel plate mounting block, and is fixed with the lower base plate through bolts.

[0009] The inclination angles of the first inclined surface and the second inclined surface are both 45 degrees.

[0010] The other double-slide-block side-pushing forming module is installed on one side of the double-slide-block side-pushing forming module.

[0011] The upper part of the male die base is provided with a through accommodating part for other components.

[0012] The utility model discloses beneficial effects lie in: utilize the horizontal sliding of side shaping male die, the up-and-down movement of upper die pressing core, the horizontal sliding of side shaping female die, complete two process requirements of side shaping and inner concave forming, realize product modeling, thereby solve the problem of inner concave shape forming, improve the stability of the precision of key position of stamping product, provide guarantee for the post-procedure welding engineering. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of one embodiment of the utility model a progressive die side shaping inner concave forming mechanism;

[0014] Figure 2 It is the structure schematic diagram of the utility model embodiment after omitting the upper die mounting base;

[0015] Figure 3 It is the structure schematic diagram of the utility model embodiment after omitting the upper die mounting base and the male die base and nearby components;

[0016] Figure 4 It is the structure schematic diagram of the product after processing in the utility model embodiment;

[0017] Figure 5 It is the structure schematic diagram of another embodiment of the utility model;

[0018] Figure 6 It is the side view schematic diagram of another embodiment of the utility model.

[0019] Wherein: 100 - substrate, 200 - double slider side push forming module, 300 - stamping structure containing space, 400 - processed product, 500 - double slider side push forming second module, 210 - punch group, 211 - punch, 212 - punch base, 213 - punch driven wedge, 214 - punch nitrogen spring, 215 - punch exercise trajectory protection block, 216 - lower wear plate, 217 - rear wear plate, 218 - other components through containing part, 2121 - second slope, 2141 - spring mounting column, 2142 - spring mounting block, 2131 - first slope, 2171 - steel plate mounting block, 220 - die group, 221 - side shaping die, 222 - nitrogen spring backstroke standard wedge assembly, 223 - die support wear plate, 230 - upper die group, 231 - upper die pressing core, 232 - upper die mounting seat, 233 - extension rod. DETAILED DESCRIPTION

[0020] The utility model will be further explained in detail below in combination with the drawings.

[0021] As Figures 1-4 The embodiment shown includes: double slider side push forming module 200, substrate 100 and punch, the double slider side push forming module 200 for processing out the processed product 400 includes: punch group 210, die group 220 and upper die group 230, the upper die pressing core 231 of upper die group 230, the punch 211 of punch group 210 and the side shaping die 221 of die group 220 form the stamping structure containing space 300 for processing out the processed product 400.

[0022] Punch group 210 includes: punch 211, punch base 212, punch driven wedge 213, punch nitrogen spring 214, punch exercise trajectory protection strip 215, lower wear plate 216 and rear wear plate 217, wherein punch 211 is integrally fixed with punch base 212, punch base 212 linearly reciprocates along the area between two punch exercise trajectory protection strips 215, and punch exercise trajectory protection strips 215 are fixed with substrate 100 by bolts; punch base 212 is placed above lower wear plate 216, lower wear plate 216 is fixed with substrate 100 by bolts, one end of punch nitrogen spring 214 is installed in spring mounting column 2141, and spring mounting column 2141 is fixed below punch base 212; the other end of punch nitrogen spring 214 is installed on substrate 100 through spring mounting block 2142;

[0023] The male die active wedge 213 is fixed with the upper slide of the punch press, the first inclined surface 2131 arranged in front of the male die active wedge 213 is matched with the second inclined surface 2121 arranged behind the male die base 212, because the male die 211 is arranged on the front surface of the male die base 212, so that when the male die active wedge 213 moves downward along the punch press, the first inclined surface 2131 can extrude the second inclined surface 2121 and push the male die base 212 and the male die 211 to move forward (the direction of the punch part structure containing space 300 and the side shaping female die 221), at the same time, the male die nitrogen gas spring 214 is compressed; when the upper slide of the punch press is pressed downward to the lowermost position, the upper die material pressing core 231, the male die 211 and the side shaping female die 221 all move to the top of the stroke end, the punch part structure containing space 300 is surrounded, at this time, the workpiece in the punch part structure containing space 300 is processed into the processed product 400 as shown in the drawing. Figure 4

[0024] The rear wear plate 217 is arranged behind the male die active wedge 213, the rear wear plate 217 is fixed with the steel plate mounting block 2171, and the steel plate mounting block 2171 is fixed with the base plate 100 through bolts.

[0025] The female die group 220 includes the side shaping female die 221, the nitrogen gas spring return standard wedge assembly 222 and the female die support wear plate 223, the fixed end of the nitrogen gas spring return standard wedge assembly 222 is fixed with the base plate 100 through bolts, the moving end of the nitrogen gas spring return standard wedge assembly 222 is fixed with the side shaping female die 221, the female die support wear plate 223 is arranged below the side shaping female die 221, and the female die support wear plate 223 is fixed with the base plate 100 through bolts.

[0026] The upper die group 230 includes the upper die material pressing core 231 and the upper die mounting seat 232, the upper die material pressing core 231 is fixed with the upper die mounting seat 232, and the upper die mounting seat 232 is fixed with the upper slide of the punch press through four extension rods 233 (marked in the drawing). Figure 5

[0027] In the embodiment, the inclination angles of the first inclined surface 2131 and the second inclined surface 2121 are both 45°.

[0028] The working process of the embodiment is as follows:

[0029] ​​When the product to be processed moves to the right above the punch 211 of the double-sliding block side-pushing forming module 200, the upper sliding block of the punch machine is pressed down, and the upper die presses the core 231 downward while the punch 211 and the side-shaping concave die 221 move towards each other; wherein the punch active wedge 213 is driven by the upper sliding block (punch) of the punch machine to move downward, the first inclined surface 2131 extrudes the second inclined surface 2121, the punch 211 moves along the track in the middle of the two-punch track protection strip 215 above the lower wear-resistant plate 216, and the punch nitrogen gas spring 214 is also gradually compressed; at the same time, the moving end of the nitrogen gas spring return standard wedge assembly 222 is driven by the upper sliding block (punch) of the punch machine to move downward, the moving end of the nitrogen gas spring return standard wedge assembly 222 drives the side-shaping concave die 221 to move on the concave die support wear-resistant plate 223, and the nitrogen gas spring in the nitrogen gas spring return standard wedge assembly 222 is also gradually compressed; at the same time, the upper die mounting seat 232 drives the upper die pressing core 231 to move downward under the drive of the upper sliding block (punch) of the punch machine;

[0030] With the simultaneous movement of the punch active wedge 213, the side-shaping concave die 221 and the upper die pressing core 231, the product to be processed is extruded from three sides at the same time, and gradually deformed; when the punch active wedge 213, the side-shaping concave die 221 and the upper die pressing core 231 move to the end, the processed product 400 in the punch structure containing space 300 is formed; thereby, through the movement of the punch 211, the upper die pressing core and the side-shaping concave die 23, the side-shaping and inner-concave forming two stamping process requirements are simultaneously completed, and the final shape of the product is realized.

[0031] Finally, the upper sliding block of the punch machine is gradually moved upward, the upper die pressing core 231 is directly moved upward and reset under the pull of the extension rod 233, and the moving end of the nitrogen gas spring return standard wedge assembly 222 and the punch active wedge 213 are gradually reset under the drive of the nitrogen gas spring in the nitrogen gas spring return standard wedge assembly 222 and the punch nitrogen gas spring 214 respectively, and the material is removed.

[0032] In the like Figure 5 and Figure 6In another embodiment of the utility model shown, because the same punch is needed to process products with the same shape from two directions on the same production line, a double slide block side pushing forming second module 500 (i.e. another double slide block side pushing forming module 200, different reference numerals are used in this embodiment for the sake of easy understanding) with the same structure as the double slide block side pushing forming module 200 is arranged on the transport track of another group of products, and in order to not interfere with each other during the operation of the double slide block side pushing forming module 200 and the double slide block side pushing forming second module 500, other component passing accommodation portions 218 are formed on the upper part of the punch base 212 of the double slide block side pushing forming module 200 and the double slide block side pushing forming second module 500, so that the products can pass through the double slide block side pushing forming module 200 and the double slide block side pushing forming second module 500 and be processed in two directions in turn.

Claims

1. A progressive die side core back forming mechanism characterized by, The utility model relates to a double-sliding-block side push forming module (200), a base plate (100) and a punch press. The double-sliding-block side push forming module (200) comprises a punch die set (210), a die set (220) and an upper die set (230), the upper die set (230) is provided with an upper die pressing core (231), the punch die set (210) is provided with a punch (211) and the die set (220) is provided with a side shaping die (221), and the punch (211), the upper die pressing core (231) and the side shaping die (221) form a stamping part structure containing space (300) for processing a processed product (400). The punch die set (210) comprises the punch (211), a punch base (212), a punch active inclined wedge (213), a punch nitrogen spring (214), a punch track protection strip (215), a lower wear plate (216) and a rear wear plate (217), the punch (211) is integrally connected with the punch base (212), the punch base (212) linearly slides back and forth along the area between the two punch track protection strips (215), the punch track protection strips (215) are fixed to the base plate (100) by bolts, the punch base (212) is placed above the lower wear plate (216), the lower wear plate (216) is fixed to the base plate (100) by bolts, one end of the punch nitrogen spring (214) is installed in a spring mounting column (2141), the spring mounting column (2141) is fixed below the punch base (212), the other end of the punch nitrogen spring (214) is installed on the base plate (100) through a spring mounting block (2142), the punch active inclined wedge (213) is fixed to the upper sliding block of the punch press, a first inclined surface (2131) arranged in front of the punch active inclined wedge (213) is matched with a second inclined surface (2121) arranged behind the punch base (212). The die set (220) comprises the side shaping die (221), a nitrogen spring return standard inclined wedge assembly (222) and a die support wear plate (223), the fixed end of the nitrogen spring return standard inclined wedge assembly (222) is fixed to the base plate (100) by bolts, the moving end of the nitrogen spring return standard inclined wedge assembly (222) is fixed to the side shaping die (221), the die support wear plate (223) is arranged below the side shaping die (221), and the die support wear plate (223) is fixed to the base plate (100) by bolts. The upper die set (230) comprises the upper die pressing core (231) and an upper die mounting seat (232), the upper die pressing core (231) is fixed to the upper die mounting seat (232), and the upper die mounting seat (232) is fixed to the upper sliding block of the punch press through an extension rod (233). The rear wear plate (217) is arranged behind the punch active inclined wedge (213), the rear wear plate (217) is fixed to a steel plate mounting block (2171), and the steel plate mounting block (2171) is fixed to the base plate (100) below by bolts.

2. A side knockout recess forming mechanism of a progressive die according to claim 1, wherein The inclination angles of the first inclined surface (2131) and the second inclined surface (2121) are both 45 degrees.

3. A side knockout recess forming mechanism of a progressive die according to claim 2, wherein One side of the double-sliding-block side push forming module (200) is provided with another double-sliding-block side push forming module (200).

4. The side-knock inward forming mechanism of a progressive die according to claim 1, wherein, ​ 5. A side-knock inward forming mechanism of a progressive die according to any one of claims 1 to 3, wherein The punch base (212) is provided with a passage (218) for other components.