Reciprocating motion sliding block supporting mold convenient to demold
The combined structure of the driven reset upper die and the sliding forming lower die solves the problem of difficult demoulding of the fuel tank chuck after stamping and bending forming, realizes convenient demoulding of the chuck workpiece, and improves processing efficiency.
Patent Information
- Application Number
- CN202422967071.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-03
AI Technical Summary
After the fuel tank chuck is stamped and bent, the bent edge is difficult to remove from the lower die, resulting in demoulding difficulties.
A combined structure of a driven reset upper die and a sliding forming lower die is adopted. The sliding forming lower die is driven to reciprocate by the driven reset upper die, so that the sliding forming lower die supports the part to be bent of the chuck workpiece during stamping. After the stamping is completed, the driven reset upper die moves upward and resets, and the sliding forming lower die is separated from the part to be bent.
The convenient demoulding of the chuck workpiece is realized, the phenomenon of the bent edge being buckled in the lower die is avoided, and the processing efficiency and production efficiency are improved.
Smart Images
Figure CN223440886U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to fuel tank chuck processing field, especially relate to a reciprocating motion slider support mould convenient to demould. BACKGROUND
[0002] Fuel tank chuck is installed on the automobile fuel tank, is used to install oil pump or other control valve spare. Fuel tank chuck workpiece is annular, and the outer periphery of the chuck is equipped with a plurality of interval setting bending edge along the circumference.
[0003] The bending edge of fuel tank chuck is formed by punch press bending, and the bending edge of fuel tank chuck is processed into L shape in the last process of chuck processing technology, is processed into U shape in the punch press bending forming process, and the lower die and the upper die corresponding to the bending edge of fuel tank chuck are arranged on the punch press, the lower die is used to support the L-shaped bending edge of the chuck, and the upper end and the outer periphery of the chuck workpiece are pressed by the positioning upper die, and the L-shaped bending edge is pressed into U shape by the punch upper die, and the problem is that: after the bending process, the bending edge is inverted in the lower die, and the workpiece is difficult to demould. UTILITY MODEL CONTENTS
[0004] The utility model discloses a reciprocating motion slider support mould convenient to demould can drive reset upper die drive sliding forming lower die reciprocating motion, realize that the sliding forming lower die supports the bending -waiting part of chuck workpiece when stamping, when driving reset upper die upward movement reset after stamping, sliding forming lower die and bending -waiting part are separated.
[0005] The utility model discloses a reciprocating motion slider support mould convenient to demould can drive reset upper die drive sliding forming lower die reciprocating motion, realize that the sliding forming lower die supports the bending -waiting part of chuck workpiece when stamping, when driving reset upper die upward movement reset after stamping, sliding forming lower die and bending -waiting part are separated.
[0006] The utility model discloses a drive reset upper die and sliding forming lower die are installed on the slider and lower die seat of punch press respectively, and when the drive reset upper die is located at the highest point, the sliding forming lower die is under the action of spring and is located at the most inside position, when the punch press slider drives the sliding forming lower die to move downward, the travel groove of drive reset upper die and sliding forming lower die contact, and the sliding forming lower die is extruded to move outward, when the punch press slider reaches the lowest point, the sliding forming lower die supports the L-shaped workpiece of chuck to be bent, and the punch moves downward to bend the L-shaped workpiece of chuck to be bent and make it present U shape, then drive reset upper die moves upward and returns, and then drive sliding forming lower die moves inward and separates from the U-shaped workpiece of chuck to be bent, and the floating material mechanism of punch press lifts the workpiece of chuck.
[0007] As a further improvement of the utility model, the lower fixed plate is installed on the lower die seat of punch press, the elastic reset component includes spring groove on the lower fixed plate corresponding to the sliding forming lower die, the spring groove is arranged along the moving direction of the sliding forming lower die, the travel limiting pin vertically fixed on the sliding forming lower die extends into the corresponding spring groove downward, the travel limiting pin is attached to the inner wall of the inward end of spring groove, and a reset driving spring is arranged between the travel limiting pin and the inner wall of the outward end of spring groove. After the sliding forming lower die moves radially outward, the reset driving spring can reset the sliding forming lower die.
[0008] As a further improvement of the utility model, the drive reset upper die is vertically arranged, the cross section of the drive reset upper die along the horizontal direction is rectangular, the height of the functional groove is greater than the height of the forced reset part, the inner wall of the functional groove of the drive reset upper die is provided with vertical first extrusion surface and inclined second extrusion surface, the height of the second extrusion surface is higher than the height of the first extrusion surface, the bottom surface of the forced reset part is flush with the bottom surface of the drive reset upper die, and the reset extrusion surface is also arranged on the forced reset part. The drive reset upper die is inserted into the travel groove and matched with the sliding forming lower die to drive the sliding forming lower die to move outward and compress the reset driving spring, and the sliding forming lower die can be forcedly reset.
[0009] As a further improvement of the utility model, the first extrusion face and the driving reset upper die bottom face are provided with an arc-shaped connecting surface, the first extrusion face and the second extrusion face are provided with an arc-shaped connecting surface, the second extrusion face and the outer side face of the driving reset upper die are provided with an arc-shaped connecting surface, the reset extrusion face of the forced reset part and the bottom face are provided with an arc-shaped connecting surface, and the reset extrusion face and the inner side face of the driving reset upper die are provided with an arc-shaped connecting surface. The arc-shaped connecting surface of the driving reset upper die is in contact with the inner wall of the stroke groove of the sliding forming lower die, the arc-shaped flexible contact driving is smoother, and direct hard contact collision is avoided.
[0010] As a further improvement of the utility model, the cross section of the stroke groove in the horizontal direction is rectangular, the stroke groove comprises a main groove, an upper avoiding groove and a lower reset groove arranged inside the main groove, the upper avoiding groove is triangular, the lower reset groove is trapezoidal, the inner wall of the inner side of the stroke groove is vertically provided with an inner limiting surface, the outer side inner wall of the stroke groove is respectively provided with an inclined upper push receiving face arranged above and a vertical lower push receiving face arranged below, the upper push receiving face and the lower push receiving face are arranged corresponding to the functional groove, the lower reset groove is arranged corresponding to the forced reset part, and the interval between the inner side face and the outer side face of the driving reset upper die is arranged corresponding to the interval between the inner limiting surface and the lower push receiving face of the stroke groove. When the driving reset upper die moves downward, the first extrusion face and the second extrusion face of the driving reset upper die are in contact with the inner wall of the stroke groove of the sliding forming lower die; when the driving reset upper die moves upward, the forced reset part of the driving reset upper die is in contact with the lower reset groove of the stroke groove of the sliding forming lower die corresponding to the forced reset part.
[0011] As a further improvement of the utility model, the inclined inner wall of the upper avoiding groove and the inner limiting surface are provided with an arc-shaped connecting surface, the inner limiting surface and the inclined inner wall of the lower reset groove are provided with an arc-shaped connecting surface, and the upper push receiving face and the lower push receiving face are provided with an arc-shaped connecting surface. When the driving reset upper die moves upward, the arc-shaped connecting surface of the driving reset upper die is in contact with the inner wall of the stroke groove of the sliding forming lower die, the arc-shaped flexible contact driving is smoother, and direct hard contact collision is avoided.
[0012] As a further improvement of the utility model, when the punch slider drives the driving reset upper die to move downward, the arc-shaped connecting surface between the bottom face of the driving reset upper die and the first extrusion face is first in contact with the upper push receiving face of the stroke groove of the sliding forming lower die; when the driving reset upper die moves downward to the state that the first extrusion face and the second extrusion face are respectively in contact with the lower push receiving face and the upper push receiving face of the stroke groove of the sliding forming lower die, the interval between the forced reset part and the inner limiting surface is left; when the punch slider drives the driving reset upper die to move downward to the lowest point, the inner side face and the outer side face of the driving reset upper die are respectively corresponding to the inner limiting surface and the lower push receiving face of the stroke groove of the sliding forming lower die, and the interval between the bottom of the driving reset upper die and the reset driving spring is left.
[0013] As further improvement of the utility model, the driving reset upper die and the sliding forming lower die are provided with a plurality of circumferential distribution, the lower fixed plate is provided with a sliding guide on both sides of each sliding forming lower die, the left and right sides of the sliding forming lower die are movably connected with the corresponding circumferential two sliding guides, each sliding forming lower die and each sliding guide are circumferentially staggered, and the lower part of the left and right sides of the sliding forming lower die is provided with a step part.
[0014] As further improvement of the utility model, the outer side of the sliding forming lower die is provided with a bending groove, a support part is formed above the bending groove on the sliding forming lower die, the upper and lower sides of the edge of the support part are provided with a rounded corner, the coaxial annular chuck workpiece is arranged between each driving reset upper die and the sliding forming lower die, the outer periphery of the chuck workpiece is provided with a plurality of circumferential L-shaped bending parts, each bending part is correspondingly arranged with each sliding forming lower die, the horizontal section of the L-shaped bending part is correspondingly arranged with the support part, and the bending part is correspondingly arranged with the bending groove. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view when the driving reset upper die of the utility model is at the highest point.
[0016] Figure 2 It is a structure schematic view when the driving reset upper die moves downward.
[0017] Figure 3 It is a structure schematic view when the driving reset upper die contacts the sliding forming lower die.
[0018] Figure 4 It is a structure schematic view when the first extrusion surface contacts the lower receiving surface.
[0019] Figure 5 It is a structure schematic view when the second extrusion surface contacts the upper receiving surface.
[0020] Figure 6 It is a structure schematic view when the inner and outer sides of the driving reset upper die respectively contact the inner limiting surface and the lower receiving surface.
[0021] Figure 7 It is a structure schematic view when the driving reset upper die moves downward to the lowest point.
[0022] Figure 8 It is a structure schematic view when the forced reset part of the driving reset upper die moves upward and contacts the inner wall of the lower reset groove of the sliding forming lower die.
[0023] Figure 9 This is a structural diagram of the drive reset upper die when it returns upward until the first pushing surface contacts the lower pushed surface.
[0024] Figure 10 It is a top view of the sliding forming lower die and two adjacent sliding guide rails.
[0025] Figure 11 It is a vertical cross-sectional view of the sliding forming lower die and two adjacent sliding guide rails.
[0026] Figure 12 This is a top view of the seven sliding forming lower dies evenly distributed around the circumference.
[0027] Figure 13 This is a structural diagram of the sliding forming lower die moving to the position to press the part to be bent of the stamping chuck.
[0028] Figure 14 This is a structural diagram of the chuck pendulum being lifted after stamping is completed.
[0029] Among them, 1 drives the reset upper die, 1a forces the reset part, 1a1 resets the pushing surface, 2 slides the forming lower die, 2a supports the part, 3 lower fixed plate, 4 functional grooves, 4a the first pushing surface, 4b the second pushing surface, 5 main grooves, 5a the upper avoidance groove, 5b the lower reset groove, 6 spring grooves, 7 travel limit pins, 8 reset drive springs, 9 inner limit surfaces, 10 the upper pushing surface, 11 the lower pushing surface, 12 sliding guide rails, 13 step portions, 14 bending grooves, 15 chucks, 15a the portion to be bent, and 1501 center holes. DETAILED DESCRIPTION
[0030] like Figures 1-14 As shown, a reciprocating slider supporting mold for easy demoulding includes a driving reset upper mold 1 and a sliding forming lower mold 2 correspondingly arranged above and below. The driving reset upper mold 1 is transmission-connected to the punch slider, and the sliding forming lower mold 2 is movably connected to the lower fixed plate 3. The lower fixed plate 3 is provided with an elastic reset component corresponding to the sliding forming lower mold 2. A functional groove 4 is correspondingly opened on the lower outer side of the driving reset upper mold 1, and a forced reset part 1a is provided on the lower inner side of the driving reset upper mold 1. A travel groove is opened on the sliding forming lower mold 2 corresponding to the driving reset upper mold 1. The lower fixed plate 3 is mounted on the lower die base of the punch press. The elastic reset assembly includes a spring groove 6 formed on the lower fixed plate 3 corresponding to the sliding forming lower die 2. The spring groove 6 is arranged along the movement direction of the sliding forming lower die 2. A travel limit pin 7 is vertically fixed to the sliding forming lower die 2 and extends downward into the corresponding spring groove 6. The travel limit pin 7 is in contact with the inner wall of the inward end of the spring groove 6. A reset drive spring 8 is provided between the travel limit pin 7 and the inner wall of the outward end of the corresponding spring groove 6. After the sliding forming lower die 2 moves radially outward, the reset drive spring 8 can reset the sliding forming lower die 2.
[0031] The driving reset upper die 1 is vertically arranged, the cross section of the driving reset upper die 1 in the horizontal direction is rectangular, the height of the functional groove 4 is greater than the height of the forced reset part 1a, the inner wall of the functional groove 4 of the driving reset upper die 1 is provided with a vertical first extrusion surface 4a and an inclined second extrusion surface 4b, the height of the second extrusion surface 4b is higher than the height of the first extrusion surface 4a, the bottom surface of the forced reset part 1a is flush with the bottom surface of the driving reset upper die 1, and the forced reset part 1a is further provided with an inclined reset extrusion surface 1a1. The driving reset upper die 1 is inserted into the stroke groove and matched with the sliding forming lower die 2 to drive the sliding forming lower die 2 to move outward to compress the reset driving spring 8 and forcibly reset the sliding forming lower die 2. The first extrusion surface 4a and the bottom surface of the driving reset upper die 1 are provided with an arc-shaped connecting surface, the first extrusion surface 4a and the second extrusion surface 4b are provided with an arc-shaped connecting surface, the second extrusion surface 4b and the outer side surface of the driving reset upper die 1 are provided with an arc-shaped connecting surface, the reset extrusion surface 1a1 of the forced reset part 1a and the bottom surface are provided with an arc-shaped connecting surface, and the reset extrusion surface 1a1 and the inner side surface of the driving reset upper die 1 are provided with an arc-shaped connecting surface. The arc-shaped connecting surface of the driving reset upper die 1 is in contact with the inner wall of the stroke groove of the sliding forming lower die 2, the arc-shaped flexible contact driving is smoother, and direct hard contact collision is avoided.
[0032] The cross section of the stroke groove in the horizontal direction is rectangular, the stroke groove includes a main groove 5, an upper avoiding groove 5a and a lower reset groove 5b located inside the main groove 5, the upper avoiding groove 5a is triangular, the lower reset groove 5b is trapezoidal, the inner side inner wall of the stroke groove is vertically provided with an inner limiting surface 9, the outer side inner wall of the stroke groove is respectively provided with an inclined upper push surface 10 located above and a vertical lower push surface 11 located below, the upper push surface 10 and the lower push surface 11 are arranged corresponding to the functional groove 4, the lower reset groove 5b is arranged corresponding to the forced reset part 1a, and the interval between the inner side surface and the outer side surface of the driving reset upper die 1 is arranged corresponding to the interval between the inner limiting surface 9 and the lower push surface 11 of the stroke groove. When the driving reset upper die 1 moves downward, the first extrusion surface 4a and the second extrusion surface 4b of the driving reset upper die 1 are in contact with the inner wall of the stroke groove of the sliding forming lower die 2; when the driving reset upper die 1 moves upward, the forced reset part 1a of the driving reset upper die 1 is in contact with the lower reset groove 5b of the stroke groove of the sliding forming lower die 2 corresponding. The inclined inner wall of the upper avoiding groove 5a and the inner limiting surface 9 are provided with an arc-shaped connecting surface, the inner limiting surface 9 and the inclined inner wall of the lower reset groove 5b are provided with an arc-shaped connecting surface, and the upper push surface 10 and the lower push surface 11 are provided with an arc-shaped connecting surface. When the driving reset upper die 1 moves upward, the arc-shaped connecting surface thereof is in contact with the inner wall of the stroke groove of the sliding forming lower die 2, the arc-shaped flexible contact driving is smoother, and direct hard contact collision is avoided.
[0033] When the punch slider drives the driving reset upper die 1 to move downward, the arc-shaped connecting surface between the bottom surface of the driving reset upper die 1 and the first extrusion surface 4a first contacts the upper pushed surface 10 of the stroke groove of the sliding forming lower die 2; when the driving reset upper die 1 moves downward to the position where the first extrusion surface 4a and the second extrusion surface 4b respectively contact the lower pushed surface 11 and the upper pushed surface 10 of the stroke groove of the sliding forming lower die 2, a space is left between the forced reset part 1a and the inner limiting surface 9; when the punch slider drives the driving reset upper die 1 to move downward to the lowest point, the inner side surface and the outer side surface of the driving reset upper die 1 correspond to the inner limiting surface 9 and the lower pushed surface 11 of the stroke groove of the sliding forming lower die 2 respectively, and a space is left between the bottom of the driving reset upper die 1 and the reset driving spring 8.
[0034] The driving reset upper die 1 and the sliding forming lower die 2 are circumferentially and uniformly arranged with a plurality of driving reset upper dies 1 and sliding forming lower dies 2; the lower fixed plate 3 is provided with a sliding guide rail 12 on each circumferentially adjacent side of each sliding forming lower die 2, and the left and right sides of the sliding forming lower die 2 are movably connected with the circumferentially adjacent two sliding guide rails 12 respectively; the sliding forming lower dies 2 and the sliding guide rails 12 are arranged in sequence and staggered in the circumferential direction; and the lower part of the left and right sides of the sliding forming lower die 2 is provided with a stepped part 13.
[0035] The outer side of the sliding forming lower die 2 is provided with a bending groove 14, and a supporting part 2a is formed above the bending groove 14 on the sliding forming lower die 2; the upper and lower sides of the edge of the supporting part 2a are provided with rounded corners; the driving reset upper die 1 and the sliding forming lower die 2 are coaxially provided with a ring-shaped chuck 15 workpiece; the outer periphery of the chuck 15 workpiece is provided with a plurality of circumferentially and uniformly distributed L-shaped bending parts 15a; each bending part 15a is correspondingly arranged with each sliding forming lower die 2; the horizontal section of the L-shaped bending part 15a is correspondingly arranged with the supporting part 2a; and the bending part 15a is correspondingly arranged with the bending groove 14. The chuck 15 workpiece is connected to a material belt, a floating material mechanism on the punch supports the material belt, and when the punch above the bending part 15a moves downward, the L-shaped bending part 15a is bent into a U shape, and the U-shaped bending part 15a enters the bending groove 14.
[0036] The utility model discloses a drive reset upper die 1 and sliding forming lower die 2 are installed on the slide and lower die seat of punch press respectively, when drive reset upper die 1 is located the highest point, sliding forming lower die 2 is under the action of spring and is in the most inside position, when punch press slide drives sliding forming lower die 2 to move downward, drive reset upper die 1 and the stroke groove contact of sliding forming lower die 2, sliding forming lower die 2 is moved extrusion spring outward, when punch press slide reaches the lowest point, sliding forming lower die 2 supports the L shape of chuck 15 workpiece's L shape to be bent part 15a, and the center hole 1501 of chuck 15 workpiece is provided, the punch of the upper side of to be bent part 15a moves downward and bends L shape to be bent part 15a and makes it present U shape, then drive reset upper die 1 moves upward return stroke, and sliding forming lower die 2 is driven again and moves to the inside and separates with U shape to be bent part 15a, and the floating material mechanism of punch press lifts chuck 15 workpiece conveniently.
[0037] As Figure 1 , punch press slide drives drive reset upper die 1 and moves to the highest point; As Figure 2 , punch press slide drives drive reset upper die 1 and continuously moves downward; As Figure 3 , the arc-shaped connecting surface between the first extrusion surface 4a of drive reset upper die 1 and bottom surface contacts the upper push surface 10 of sliding forming lower die 2, punch press slide continuously moves downward, drive sliding forming lower die 2 moves outward, and stroke limiting pin 7 compresses reset drive spring 8; As Figure 4 , punch press slide continuously moves downward, and the first extrusion surface 4a contacts the lower push surface 11; As Figure 5 , punch press slide continuously moves downward, the first extrusion surface 4a is attached to the lower push surface 11, and the second extrusion surface 4b is attached to the upper push surface 10, drive reset upper die 1 starts to forcibly push sliding forming lower die 2, sliding forming lower die 2 continues to move forward, and continuously compresses reset drive spring 8; As Figure 6 , punch press slide continuously moves downward, drive reset upper die 1 pushes sliding forming lower die 2 to the set position, the outer side surface of drive reset upper die 1 is attached to the lower push surface 11 of the stroke groove, the punch contacts the to-be-bent part 15a, and bending stamping is set; Figure 7 At this time, punch press slide runs to the lowest point, the die is completely closed, sliding forming lower die 2 is completely in place driven by drive reset upper die 1, the to-be-bent part 15a of chuck 15 workpiece is pressed into the bending groove 14 by the punch and becomes U-shaped, and the whole stamping process is completed; Figure 8At this time, the punch slider starts to move upward, the driving reset upper die 1 starts to move together with the punch slider, the sliding forming lower die 2 is forced to reset by the driving reset upper die 1, the forced reset part 1a is in contact with the inner wall of the lower reset slot 5b, and the sliding forming lower die 2 is retreated under the drive of the reset spring 8. Figure 9 At this time, the punch slider starts to continue to move upward, the driving reset upper die 1 moves together with the punch slider, the sliding forming lower die 2 is forced to reset by the driving reset upper die 1, the part embedded in the sliding forming lower die 2 due to the bending of the punched part is separated from the lower die because of the reset of the lower die, and the lower die floating material mechanism starts to work to lift the chuck 15 workpiece. Figure 1 Reset to the die opening state, at this time, the punch slider runs to the highest point, the die is completely opened, the upper die is completely separated from the lower die, and one cycle is completed. The feeding machine sends the parts in the previous process to repeat the stamping cycle.
[0038] The utility model is not limited to the above embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some replacement and deformation to some technical features according to the disclosed technical content without creative labor, and these replacement and deformation are all within the protection scope of the utility model.
Claims
1. A reciprocating slider supporting mold for easy demoulding, characterized in that: It includes a driving reset upper die and a sliding forming lower die correspondingly arranged above and below. The driving reset upper die is transmission-connected to the punch slider, and the sliding forming lower die is movably connected to the lower fixed plate. The lower fixed plate is provided with an elastic reset component corresponding to the sliding forming lower die. A functional groove is correspondingly opened on the lower outer side of the driving reset upper die, and a forced reset part is provided on the lower inner side of the driving reset upper die. A travel groove is opened on the sliding forming lower die corresponding to the driving reset upper die.
2. A reciprocating slider supporting mold for easy demoulding according to claim 1, characterized in that: The lower fixed plate is installed on the lower die base of the punch press, and the elastic reset assembly includes a spring groove opened on the lower fixed plate corresponding to the sliding forming lower die, and the spring groove is arranged along the moving direction of the sliding forming lower die. A travel limit pin is vertically fixed on the sliding forming lower die and extends downward into the corresponding spring groove. The travel limit pin is abutted against the inner wall of the inward end of the spring groove, and a reset drive spring is provided between the travel limit pin and the inner wall of the outward end of the corresponding spring groove.
3. A reciprocating slider supporting mold for easy demoulding according to claim 1 or 2, characterized in that: The driven reset upper mold is arranged vertically, and the cross-section of the driven reset upper mold along the horizontal direction is rectangular. The height of the functional groove is greater than the height of the forced reset part. The inner wall of the functional groove of the driven reset upper mold is provided with a vertical first pushing surface and an inclined second pushing surface. The height of the second pushing surface is higher than the height of the first pushing surface. The bottom surface of the forced reset part is flush with the bottom surface of the driven reset upper mold, and the forced reset part is also provided with a reset pushing surface inclined.
4. A reciprocating slider supporting mold for easy demoulding according to claim 3, characterized in that: An arc-shaped connecting surface is provided between the first pushing surface and the bottom surface of the driven reset upper mold, an arc-shaped connecting surface is provided between the first pushing surface and the second pushing surface, an arc-shaped connecting surface is provided between the second pushing surface and the outer side surface of the driven reset upper mold, an arc-shaped connecting surface is provided between the reset pushing surface and the bottom surface of the forced reset part, and an arc-shaped connecting surface is provided between the reset pushing surface and the inner side surface of the driven reset upper mold.
5. A reciprocating slider supporting mold for easy demoulding according to claim 4, characterized in that: The cross-section of the stroke groove in the horizontal direction is rectangular, and the stroke groove includes a main groove and an upper avoidance groove and a lower reset groove located on the inner side of the main groove. The upper avoidance groove is triangular, and the lower reset groove is trapezoidal. The inner wall of the inner side of the stroke groove is vertically provided with an inner limit surface, and the outer wall of the outer side of the stroke groove is respectively provided with an inclined upper push surface located above and a vertical lower push surface located below. The upper push surface and the lower push surface are arranged corresponding to the functional groove, and the lower reset groove is arranged corresponding to the forced reset part. The spacing between the inner and outer side surfaces of the driving reset upper mold is set corresponding to the spacing between the inner limit surface and the lower push surface of the stroke groove.
6. A reciprocating slider supporting mold for easy demoulding according to claim 5, characterized in that: An arc-shaped connecting surface is provided between the inclined inner wall of the upper avoidance groove and the inner limit surface, an arc-shaped connecting surface is provided between the inner limit surface and the inclined inner wall of the lower reset groove, and an arc-shaped connecting surface is provided between the upper push surface and the lower push surface.
7. A reciprocating slider supporting mold for easy demoulding according to claim 6, characterized in that: When the punch press slider drives the reset upper die to move downward, the arc-shaped connecting surface between the bottom surface of the reset upper die and the first pushing surface first contacts the upper pushing surface of the stroke groove of the sliding forming lower die; when the reset upper die is driven to move downward until the first pushing surface and the second pushing surface contact the lower pushing surface and the upper pushing surface of the stroke groove of the sliding forming lower die respectively, a gap is left between the forced reset part and the inner limit surface; when the punch press slider drives the reset upper die to move downward at the lowest point, the inner side surface and the outer side surface of the reset upper die respectively correspond to the inner limit surface and the lower pushing surface of the stroke groove of the sliding forming lower die, and a gap is left between the bottom of the reset upper die and the reset driving spring.
8. A reciprocating slider supporting mold for easy demoulding according to claim 7, characterized in that: The driving reset upper mold and the sliding forming lower mold are evenly distributed along the circumferential direction. A sliding guide rail is provided on both sides of each sliding forming lower mold on the lower fixed plate. The left and right sides of the sliding forming lower mold are movably connected to the corresponding two circumferentially adjacent sliding guide rails respectively. The sliding forming lower molds and the sliding guide rails are staggered in sequence along the circumferential direction, and the lower parts of the left and right sides of the sliding forming lower mold are provided with step portions.
9. A reciprocating slider supporting mold for easy demoulding according to claim 8, characterized in that: A bending groove is provided on the outer side of the sliding forming lower die, and a support portion is formed on the sliding forming lower die above the bending groove. Chamfers are provided on the upper and lower sides of the edge of the support portion. An annular chuck workpiece is coaxially arranged between each driving reset upper die and the sliding forming lower die. A plurality of L-shaped portions to be bent that are uniformly distributed along the circumferential direction are provided on the outer periphery of the chuck workpiece. Each portion to be bent is arranged in one-to-one correspondence with each sliding forming lower die, the horizontal section of the L-shaped portion to be bent is arranged corresponding to the support portion, and the portion to be bent is arranged corresponding to the bending groove.