High-precision C-shaped bushing progressive die device
By designing a high-precision C-type bushing progressive die device, and utilizing the cooperation of guide pins and pusher mechanisms, continuous processing and forming of the strip can be achieved, solving the problem of difficult forming in existing equipment, improving processing efficiency and forming quality, and reducing equipment complexity and cost.
Patent Information
- Application Number
- CN202520161604.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing processing equipment is difficult to form C-type bushings in one go, resulting in low processing efficiency and complex equipment, which makes it difficult to meet the needs of various working conditions and load changes.
A high-precision C-type bushing progressive die device was designed, including an upper die assembly, a lower die assembly, and a pusher mechanism. Through structures such as guide pins, punching dies, chamfering lower dies, cutting lower dies, and rolling lower dies, continuous processing and forming of the strip can be achieved. Combined with the cooperation of guide pins and guide dies, accurate guidance and control of the step distance are ensured, and the finished product is automatically pushed out by the pusher mechanism.
It achieves efficient one-time molding of C-type bushings, improves processing efficiency, reduces equipment costs, has a compact structure, adapts to various working conditions, and ensures molding quality.
Smart Images
Figure CN223603280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to progressive die equipment technical field especially relates to a high accuracy C type bush progressive die device. BACKGROUND
[0002] Compared with the conventional bush structure, the C type bush usually has an opening structure, so that it can adapt to more working conditions and load changes, provide more stable performance and longer service life.
[0003] However, due to the particularity of the C type bush structure, it is difficult to process and form the C type bush at one time by the conventional blanking and bending die, therefore, the existing processing equipment is relatively complex, and the processing efficiency is low, based on this, a high accuracy C type bush progressive die device is provided. SUMMARY
[0004] The embodiment of the application provides a high accuracy C type bush progressive die device, which can process and form the C type bush at one time through the material belt, the overall structure is compact, the occupied space is small, the overall structure complexity is low, and the device can realize continuous operation and has high processing efficiency.
[0005] The embodiment of the application provides a high accuracy C type bush progressive die device, which comprises an upper die assembly, a lower die assembly and a material pushing mechanism, the upper die assembly comprises an upper die seat and a punch fixed plate arranged at the bottom of the upper die seat, the lower die assembly comprises a lower die seat and a concave die plate arranged at the top of the lower die seat, the top of the concave die plate is sequentially provided with a material guide pin, a blanking concave die, a chamfering lower die and a cutting lower die along a predetermined extension direction, the top of the concave die plate is also provided with a rounding lower die which is parallel to the cutting lower die in the predetermined extension direction, a mandrel is arranged above the rounding lower die and located in the cutting lower die, the bottom of the punch fixed plate is provided with a blanking punch, a chamfering upper die, a cutting upper die and a rounding upper die corresponding to the blanking concave die, the chamfering lower die, the cutting lower die and the rounding lower die, and the material pushing mechanism comprises material pushing rods which are arranged in parallel on the two sides of the mandrel, the material belt passes through the material guide pin on the top of the concave die plate and then sequentially passes through blanking, chamfering and cutting, and the material pushing rods are used for directing the cut pre-rounding blank to the rounding lower die along the mandrel.
[0006] In a possible implementation manner, the material guide pin is composed of two material guide plates which are symmetrically distributed along the predetermined extension direction, the upper parts of the two material guide plates are symmetrically provided with rectangular grooves on the inner sides, and the two rectangular grooves cooperatively form a rectangular material guide space matched with the material belt.
[0007] In a possible implementation, the top of the female die plate is further provided with a guide pin female die between the material guiding pin and the cutting lower die, and the bottom of the male die fixing plate is provided with guide pins matched with the guide pin female die, which are symmetrically distributed on both sides of the predetermined extension direction.
[0008] In a possible implementation, the guide pin female die comprises a first female die and a second female die, and the guide pin comprises a first guide pin and a second guide pin matched with the first female die and the second female die respectively, wherein the first female die is located between the material guiding pin and the blanking female die, and the second female die is located between the chamfer female die and the cutting lower die.
[0009] In a possible implementation, the top of the female die plate is further provided with a guide clearance female die between the material guiding pin and the first female die, and the bottom of the male die fixing plate is provided with guide clearance male dies matched with the guide clearance female die, which are symmetrically distributed on both sides of the predetermined extension direction to symmetrically blank guide clearance openings on both sides of the material belt for guiding the material belt by the first guide pin.
[0010] In a possible implementation, a pad plate is connected between the lower die seat and the female die plate, and the material pushing mechanism further comprises a spring seat, a material supporting block and a sliding block provided on the pad plate, the mandrel is horizontally fixedly installed at one end of the material supporting block, the material supporting block is provided with a position avoiding channel matched with the material pushing rod, the sliding block is located at the end of the material supporting block away from the mandrel and fixedly connected with the material pushing rod, the spring seat is fixedly installed at the side of the sliding block away from the mandrel and connected with the sliding block through a spring, and the end of the sliding block close to the mandrel is provided with a first slope surface extending from top to bottom towards the direction gradually close to the mandrel, the bottom of the male die fixing plate is vertically installed with a wedge, and the wedge is located on both sides of the material pushing rod and provided at the bottom end with a second slope surface matched with the first slope surface.
[0011] In a possible implementation, the top of the pad plate is installed with a limiting seat, the top of the limiting seat is provided with a limiting groove matched with the sliding block, and the limiting groove extends along the extension direction of the mandrel.
[0012] In a possible implementation, a guide shaft is vertically installed on the spring seat, the guide shaft extends into the spring and keeps a gap with the sliding block.
[0013] Beneficial effects: compared with the prior art, the high-precision C-type bushing progressive die device provided by the application first guides and limits the material belt through the guide pin, then punches the side edge of the material belt through the punching convex die and the punching groove, then chamfers the material belt through the chamfer upper die and the chamfer lower die, then cuts off the material belt through the cutting upper die and the cutting lower die, and simultaneously performs pre-rounding forming processing, and finally performs shaping through the rounding upper die and the rounding lower die to form a finished product C-type bushing, so that the processing efficiency of the C-type bushing can be effectively improved, and the processing cost is reduced, and the progressive die device has simple overall structure, compact structure and small occupied space, and can form the C-type bushing at one time and can be continuously operated in batches;
[0014] Wherein, the material belt can be accurately guided in time during the one-time forming of the C-type bushing through the cooperation of the guide pin and the guide pin concave die, so that the forming quality of the C-type bushing can be ensured.
[0015] Wherein, the guide hole for guiding the first guide pin can be punched in the side edge of the material belt through the cooperation of the guide concave die and the guide convex die, so that the guiding accuracy can be further improved, and the step distance can also be controlled.
[0016] Wherein, the pre-rounding blank can be automatically pushed into the rounding concave die by the pushing rod through the cooperation of the spring seat, the material supporting block, the sliding block and the wedge, then the rounding forming is performed, and after the forming, the C-type bushing is pushed out by the pushing rod, so that the automation degree is high, the structure is more compact, the equipment cost can be effectively saved, and the processing cost is reduced.
[0017] These and other objects, features and advantages of the present application will become apparent with reference to the following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The structure schematic diagram of the high-precision C-type bushing progressive die device of the application is shown.
[0019] Figure 2 The local explosion structure schematic diagram of the high-precision C-type bushing progressive die device of the application is shown.
[0020] Figure 3 The structure schematic diagram of the lower die assembly in the application is shown.
[0021] Figure 4 The structure schematic diagram of the pushing mechanism in the application is shown.
[0022] Figure 5 The local explosion structure schematic diagram of the pushing mechanism of the application is shown. DETAILED DESCRIPTION
[0023] The following description is used to disclose the present application so that those skilled in the art can implement the present application. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious modifications. The basic principles defined in the following description can be applied to other embodiments, modifications, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present application.
[0024] Those skilled in the art should understand that in the disclosure of the specification, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the above terms cannot be understood as a limitation of the present application.
[0025] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.
[0026] Reference Figures 1 to 5The embodiment of the present application provides a high-precision C-shaped bushing progressive die device, which comprises an upper die assembly 10, a lower die assembly 20 and a pushing mechanism 30, wherein the upper die assembly 10 comprises an upper die seat 11 and a punch fixed plate 12 arranged at the bottom of the upper die seat 11, and the lower die assembly 20 comprises a lower die seat 21 and a concave die plate 22 arranged at the top of the lower die seat 21. The upper die seat 11 and the punch fixed plate 12 in the upper die assembly 10 and the lower die seat 21 and the concave die plate 22 in the lower die assembly 20 are all conventional arrangements, wherein the bottom of the punch fixed plate 12 is further elastically connected with a stripper plate 14 through a spring 13. The stripper plate 14 is also a conventional arrangement. The top of the concave die plate 22 is sequentially provided with a material guiding pin 221, a blanking concave die 222, a chamfering lower die 223 and a cutting lower die 224 in a predetermined extension direction, which are respectively used for guiding, edge cutting, chamfering and cutting of the material belt 40, and a pre-rounding blank is obtained after cutting. In addition, the top of the concave die plate 22 is further provided with a rounding lower die 225 which is parallel to the cutting lower die 224 in the predetermined extension direction, and a mandrel 31 is arranged above the rounding lower die 225, wherein the mandrel 31 is located in the cutting lower die 224. Correspondingly, the bottom of the punch fixed plate 12 is provided with a blanking punch 122, a chamfering upper die 123, a cutting upper die 124 and a rounding upper die 125 corresponding to the blanking concave die 222, the chamfering lower die 223, the cutting lower die 224 and the rounding lower die 225. The pushing mechanism 30 comprises pushing rods 32 which are arranged in parallel on both sides of the mandrel 31. When the material belt 40 passes through the material guiding pin 221 on the top of the concave die plate 22, it is sequentially subjected to blanking, chamfering and cutting, and then the pushing rods 32 are used to push the cut pre-rounding blank along the mandrel 31 to the rounding lower die 225, so that the pre-rounding blank is shaped into a C-shaped bushing through the cooperation of the rounding upper die 125 and the rounding lower die 225. Subsequently, the pushing rods 32 can be moved to push the C-shaped bushing out along the mandrel 31, and the discharging is completed.
[0027] Therefore, the high-precision C-shaped bushing progressive die device can batch process multiple C-shaped bushings from a material belt at one time and complete discharging, which can effectively improve work efficiency. Meanwhile, the progressive die device has a simple structure, compact overall structure and small space occupation, and can effectively save equipment cost.
[0028] In one embodiment, the material guiding pin 221 is composed of two material guiding plates which are symmetrically distributed along the predetermined extension direction, and the upper parts of the two material guiding plates are symmetrically provided with rectangular grooves on the inner sides, and the two rectangular grooves cooperatively form a rectangular material guiding space matched with the material belt 40, which is used for guiding and limiting the material belt 40, so that the material belt 40 can move directionally on the top of the concave die plate 22, thereby ensuring the processing quality of the material belt 40, i.e. the forming quality of the C-shaped bushing.
[0029] In one embodiment, the top of the female die plate 22 is further provided with a guide pin recessed die, wherein the guide pin recessed die is located between the material guiding pin 221 and the cutting lower die 224, and the bottom of the male die fixing plate 12 is provided with a guide pin which is matched with the guide pin recessed die, wherein the guide pin is symmetrically distributed on both sides of the predetermined extending direction, so that the material strip 40 can be timely guided after entering the forming process, and the guiding precision of the material strip 40 can be further improved on the basis of the guiding and limiting of the material guiding pin 221, so as to ensure the forming quality of the C-shaped bushing.
[0030] Further preferably, the guide pin recessed die comprises a first recessed die 226 and a second recessed die 227, and the guide pin comprises a first guide pin 126 and a second guide pin 127 which are matched with the first recessed die 226 and the second recessed die 227 respectively, wherein the first recessed die 226 is located between the material guiding pin 221 and the blanking recessed die 222, and is used for accurately guiding the material strip 40 before blanking, so as to ensure the accuracy of the blanking width of the material strip 40, and the second recessed die 227 is located between the chamfering recessed die 223 and the cutting lower die 224, and is used for guiding the material strip 40 after chamfering and before cutting, so as to ensure the cutting precision of the material strip 40.
[0031] In addition, in some cases, the guiding can also be performed after blanking and before chamfering, and the principle and implementation means are the same as before, which can ensure the accuracy of chamfering.
[0032] Further preferably, the top of the female die plate 22 is further provided with a guide pin recessed die, wherein the guide pin recessed die is located between the material guiding pin 221 and the cutting lower die 224, and the bottom of the male die fixing plate 12 is provided with a guide pin which is matched with the guide pin recessed die, wherein the guide pin is symmetrically distributed on both sides of the predetermined extending direction, so that the material strip 40 can be timely guided after entering the forming process, and the guiding precision of the material strip 40 can be further improved on the basis of the guiding and limiting of the material guiding pin 221, so as to ensure the forming quality of the C-shaped bushing.
[0033] In one embodiment, the combination of the guide pin recessed die and the guide pin can be used in combination with the first guide pin 126 and the second guide pin 127. Figure 4 and Figure 5The lower die seat 21 and the concave die plate 22 are connected with a backing plate 23. The pushing mechanism further comprises a spring seat 33, a material supporting block 34 and a sliding block 35 arranged on the backing plate 23, wherein the mandrel 31 is horizontally fixedly installed at one end of the material supporting block 34, the material supporting block 34 is provided with a position avoiding channel 301 matched with the pushing rod 32, the sliding block 35 is located at the end of the material supporting block 34 away from the mandrel 31 and is fixedly connected with the pushing rod 32, the spring seat 33 is fixedly installed at the side of the sliding block 35 away from the mandrel 31 and is connected with the sliding block 35 through a spring 36, in addition, the end of the sliding block 35 close to the mandrel 31 is provided with a first slope surface 311, wherein the first slope surface 311 extends from top to bottom towards the direction of gradually approaching the mandrel 31, in addition, the bottom of the male die fixed plate 12 is vertically installed with a wedge 15, wherein the wedge 15 is located at the two sides of the pushing rod 32 and is provided with a second slope surface 151 at the bottom end matched with the first slope surface 311.
[0034] The working process is roughly as follows: when the material belt 40 is cut off at the cutting lower die 224, the pre-rounding of the material based on the cavity of the cutting upper die 124 can be completed synchronously, and a pre-rounding blank is obtained, at the same time, under the action of the male die fixed plate 12, the wedge 15 moves downward along the first slope surface 311 through the second slope surface 151, the pushing rod 32 is located at the right side of the pre-rounding blank, then the male die fixed plate 12 moves upward, based on the cooperation of the first slope surface 311 and the second slope surface 151, the sliding block 35 drives the pushing rod 32 to gradually move to the left side, and the pre-rounding blank is pushed to the round lower die 225, when the pre-rounding blank is in place, the male die fixed plate 12 moves downward, and the pre-rounding blank is shaped through the action of the round upper die 125 and the round lower die 225, and a finished product C-type bushing is obtained, during which the sliding block 35 drives the pushing rod 32 away from the round upper die 125, when the shaping is completed, the male die fixed plate 12 moves upward and drives the wedge 15 to move upward, until the second slope surface 151 completely leaves the first slope surface 311, the pushing rod 32 pushes the finished product C-type bushing along the mandrel 31 under the action of the spring 36, and the unloading is completed, at this time, the finished product C-type bushing enters the material box through the laser sensor.
[0035] Briefly, when the main part of the wedge 15, i.e. the main part of the second slope surface 151 above the main part is located below the vertical surface of the first slope surface 311, the cutting upper die 124 cooperates with the cutting lower die 224 to complete cutting and pre-rounding, when the second slope surface 151 cooperates with the first slope surface 311, the pushing rod 32 extends a part to push the pre-rounding blank to the round lower die 225, when the second slope surface 151 moves upward and completely leaves the first slope surface 311, the sliding block 35 drives the pushing rod 32 to completely push out until it moves to the material supporting block 34, and the finished product C-type bushing is pushed out of the range of the mandrel 31 and falls into the material box.
[0036] In one embodiment, the top of the base plate 23 is provided with a limiting seat 24, and the top of the limiting seat 24 is provided with a limiting groove 202 matched with the sliding block 35, wherein the limiting groove 202 extends along the extending direction of the mandrel 31, so that the sliding block 35 can be guided and limited during movement, and the pre-rolled round blank can be accurately pushed to the roll forming lower die 225 by the pushing rod 32, and the finished C-shaped bushing can be accurately unloaded.
[0037] In one embodiment, the spring seat 33 is vertically provided with a guide shaft 331 extending into the spring 36 and leaving a gap with the sliding block 35, so that the spring 36 can be guided and limited during elastic extension or retraction, the reliability of the spring 36 can be improved, and the reliability of the movement of the sliding block 35 and the pushing rod 32 for pre-rolled round blank and unloading can be ensured.
[0038] It should be noted that the terms "first", "second" in the present application are only used for description purpose, and do not represent any sequence, and should not be understood as indicating or implying relative importance, and the terms can be interpreted as names.
[0039] Those skilled in the art should understand that the above description and the embodiments of the present application shown in the drawings are only used as examples and do not limit the present application. The advantages of the present application have been fully and effectively realized. The functions and structural principles of the present application have been shown and described in the embodiments, and the embodiments of the present application can be modified or changed in any way without departing from the principles.
Claims
1. A high-precision C-bushing progressive die device, comprising an upper die assembly, a lower die assembly and a pushing mechanism, the upper die assembly comprising an upper die base and a male die fixing plate arranged at the bottom of the upper die base, the lower die assembly comprising a lower die base and a female die plate arranged at the top of the lower die base, characterized in that, The top of the female die plate is sequentially provided with a material guiding pin, a blanking female die, a chamfering lower die and a cutting lower die along a predetermined extension direction, and is further provided with a rounding lower die parallel to the cutting lower die in the predetermined extension direction, and a mandrel is arranged above the rounding lower die and located in the cutting lower die.
2. The high-precision C-bushing progressive die apparatus of claim 1, wherein, The material guiding pin is composed of two material guiding plates symmetrically distributed along the predetermined extension direction, and the upper portions of the two material guiding plates are symmetrically provided with rectangular grooves on the inner sides, and the two rectangular grooves cooperatively form a rectangular material guiding space matched with the material belt.
3. The high-precision C-bushing progressive die apparatus of claim 1, wherein, The top of the female die plate is further provided with a guiding pin female die, which is located between the material guiding pin and the cutting lower die, and the bottom of the male die fixed plate is provided with guiding pins matched with the guiding pin female die, which are symmetrically distributed on both sides of the predetermined extension direction.
4. The high-precision C-bushing progressive die apparatus of claim 3, wherein, The guiding pin female die includes a first female die and a second female die, and the guiding pins include a first guiding pin and a second guiding pin matched with the first female die and the second female die respectively, and the first female die is located between the material guiding pin and the blanking female die, and the second female die is located between the chamfering lower die and the cutting lower die.
5. The high-precision C-bushing progressive die apparatus of claim 4, wherein, The top of the female die plate is provided with a guiding notch female die between the material guiding pin and the first female die, and the bottom of the male die fixed plate is provided with guiding notch male dies matched with the guiding notch female die, which are symmetrically distributed on both sides of the predetermined extension direction to symmetrically punch guiding notches on both sides of the material belt for guiding the material belt by the first guiding pin.
6. The high-precision C-bushing progressive die apparatus of claim 1, wherein, A spacer plate is connected between the lower die seat and the female die plate, and the material pushing mechanism further includes a spring seat, a material supporting block and a sliding block arranged on the spacer plate, the mandrel is horizontally fixedly installed at one end of the material supporting block, the material supporting block is provided with a position avoiding channel matched with the material pushing rod, the sliding block is located at the end of the material supporting block away from the mandrel and fixedly connects the material pushing rod, the spring seat is fixedly installed at the side of the sliding block away from the mandrel and connects the sliding block through a spring, and the end of the sliding block close to the mandrel is provided with a first slope surface extending from top to bottom towards the direction gradually close to the mandrel, and the bottom of the male die fixed plate is vertically installed with a wedge, which is located on both sides of the material pushing rod and is provided with a second slope surface matched with the first slope surface at the bottom end.
7. The high-precision C-bushing progressive die apparatus of claim 6, wherein, The top of the spacer plate is installed with a limiting seat, and the top of the limiting seat is provided with a limiting groove matched with the sliding block, and the limiting groove extends along the extension direction of the mandrel.
8. The high-precision C-bushing progressive die apparatus of claim 6, wherein, A guide shaft is vertically installed on the spring seat, extends into the spring, and keeps a gap with the slider.