CN212070225U - Material returning upper die device - Google Patents
Material returning upper die device Download PDFInfo
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- CN212070225U CN212070225U CN201921970943.1U CN201921970943U CN212070225U CN 212070225 U CN212070225 U CN 212070225U CN 201921970943 U CN201921970943 U CN 201921970943U CN 212070225 U CN212070225 U CN 212070225U
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- discharging
- upper die
- blind hole
- plate
- stripping block
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Abstract
The utility model provides a material returned upper die device, passes through the guide assembly cooperation with the lower mould, including fixed connection's cope match-plate pattern in proper order, cross cab apron, upper die base, the cope match-plate pattern is close to the lower mould setting, and the cope match-plate pattern is equipped with the through-hole of installing the mould mold insert, and material returned upper die device is equipped with the blind hole of unloading, and the mould mold insert is worn to locate by the blind hole of unloading, and the blind hole one end of unloading is passed the cab. The discharging blind hole is internally provided with a movable upper die stripping block, the lower die is fixedly provided with a lower die punch, the discharging blind hole is internally provided with a discharging spring and a discharging rod, one end of the discharging rod is connected with the upper die stripping block, the other end of the discharging rod is connected with one end of the discharging spring, and the other end of the discharging spring is connected with the upper die base. The lower die punch is matched with the upper die stripping block in the discharging blind hole, so that the forming process and the blanking process of the bracket net bottom are completed at one time, and the upper die stripping block is pushed to move through the discharging spring and the discharging rod, so that the product can be conveniently withdrawn after being formed in the discharging blind hole.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to a mould device on material returned.
Background
The bracket net bottom is formed by welding two layers of materials, the basic layer is made of SUS 304T-0.3 stainless steel plate, and an 80-mesh SUS 316L stainless steel net is additionally welded. At present, a stamping process is adopted for a bracket net bottom, and three continuous processes of marking, forming and blanking are generally selected to realize a product stamping process. Because the area of the net bottom of a single bracket is small, the production efficiency is low due to frequent material loading and unloading, and the product is not easy to integrally withdraw after the cavity is formed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mould device on material returned, the lower mould drift with unload the blind hole in the mould stripping piece cooperation, realize holding in the palm the shaping process of groove net end and the completion of blanking process once, and through unloading the spring and push up the mould with the discharge arm and remove stripping piece, do benefit to the product and withdraw from after the shaping in the blind hole of unloading.
The embodiment of the utility model discloses a realize through following technical scheme:
the utility model provides a material returned upper die device, passes through the direction subassembly cooperation with the lower mould, including fixed connection's cope match-plate pattern in proper order, cross cab apron, upper die base, the cope match-plate pattern is close to the lower mould setting, and the cope match-plate pattern is equipped with the through-hole of installation mould mold insert, and last mould mold insert detachably is fixed in the cab apron, and material returned upper die device is equipped with the blind hole of unloading, and the blind hole of unloading forms the feed inlet in the terminal surface department that the mould insert is close to the lower mould, and the blind hole. The discharging blind hole is internally provided with a movable upper die stripping block, the movable direction of the upper die stripping block is consistent with the working moving direction of the material returning upper die device, the lower die is fixedly provided with a lower die punch, the lower die punch is arranged on the moving path of the upper die stripping block, and the lower die punch is used for ejecting the raw material at the bottom of the bracket net into the discharging blind hole. Be equipped with discharge spring and discharge arm in the blind hole of unloading, discharge arm one end and last mould take off the material piece and meet, and the discharge arm other end is connected with discharge spring one end, and the discharge spring other end is connected with the upper die base.
Furthermore, the length direction of the discharging rod and the length direction of the discharging spring are consistent with the working moving direction of the material returning upper die device.
Furthermore, the discharging rod comprises a discharging push plate and a discharging pin, the discharging push plate and the discharging pin are both arranged in the discharging blind hole, one end of the discharging spring, far away from the upper die base, is connected with one side of the discharging push plate, and the other side of the discharging push plate is provided with a groove;
the discharging pin is arranged in a T shape and comprises a flat head part and a straight body part, the flat head part is arranged in the groove, the flat head part is contacted with the discharging push plate, the straight body part penetrates through the transition plate, and the straight body part is connected with the upper die stripping block;
the discharging blind hole forms a nail passing channel in the transition plate, the straight body part penetrates through the nail passing channel, and the radius of the flat head part is larger than that of the nail passing channel;
the discharging spring is configured to be in a compressed state, so that the flat head part is in close contact with the discharging push plate at the groove, and the straight body part is in close contact with the upper mold stripping block.
Further, along the work moving direction of material returning upper die device, the length of recess is equal with the length of flat head.
Further, the transition plate comprises an upper die clamping plate and an upper die base plate, the upper die base, the upper die clamping plate, the upper die base plate and the upper die plate are fixedly connected in sequence, and the discharging blind hole penetrates through the upper die clamping plate and the upper die base plate;
the upper die insert is fixed on the upper die base plate through a screw, and the discharging push plate is arranged in the part of the discharging blind hole in the upper die clamping plate;
along the radial direction of the discharging blind hole, the cross-sectional area of the discharging push plate is larger than that of the nail passing channel.
Furthermore, along the radial direction of the discharging blind hole, the discharging push plate is arranged close to the hole wall of the discharging blind hole.
Furthermore, along the radial direction of the discharging blind hole, the distribution area of the discharging spring is consistent with that of the discharging push plate.
Furthermore, a first forming surface is arranged on the end face, close to the material returning upper die device, of the lower die punch, a second forming surface is arranged at one end, close to the lower die, of the upper die stripping block, a marking convex line is arranged on the second forming surface, the first forming surface and the second forming surface are matched for marking the mark, hanging platforms are arranged on two sides, far away from one end of the lower die, of the upper die stripping block, discharging blind holes are arranged in the upper die plate in a convex-concave mode, a hanging platform hole is formed, and the hanging platforms are matched with the hanging platform hole to enable the upper die stripping block to.
The utility model discloses technical scheme has following advantage and beneficial effect at least: the lower die punch is matched with an upper die stripping block in the discharging blind hole, so that the forming process and the blanking process of the bracket net bottom are completed at one time; and the discharging spring and the discharging rod push the upper die stripping block to move, so that the product can be conveniently withdrawn after being formed in the discharging blind hole.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an overall structure of a material returning upper die device matched with a lower die through a guide assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a material returning upper die device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a discharging blind hole provided in the embodiment of the present invention;
fig. 4 is a schematic structural view of the upper die stripper block, the discharging spring and the discharging rod provided in the embodiment of the present invention.
Icon: 10-material returning upper die device, 100-upper die plate, 110-upper die insert, 200-transition plate, 210-upper die plate, 220-upper die cushion plate, 300-upper die base, 400-discharging blind hole, 410-upper die stripping block, 420-discharging spring, 430-discharging rod, 431-discharging push plate, 431 a-groove, 432-discharging pin, 432 a-flat head, 432 b-straight body, 20-lower die, 21-lower die punch and 30-guide assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element indicated must have a specific position, be constructed in a specific position and be operated is not to be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, a material returning upper die device 10 is adapted to cooperate with a lower die 20 via a guide assembly 30. The material returning upper die device 10 is provided with a discharging blind hole 400, the discharging blind hole 400 forms a feeding hole at the end face of the upper die insert 110 close to the lower die 20, and one end of the discharging blind hole 400 penetrates through the cab apron 200 and is arranged in the upper die base 300. The discharging blind hole 400 is internally provided with a movable upper die stripping block 410, the movable direction of the upper die stripping block 410 is consistent with the working moving direction of the material returning upper die device 10, the lower die 20 is fixedly provided with a lower die punch 21, the lower die punch 21 is arranged on the moving path of the upper die stripping block 410, and the lower die punch 21 is used for ejecting the bracket net bottom raw material into the discharging blind hole 400. The discharging blind hole 400 is provided with a discharging spring 420 and a discharging rod 430, one end of the discharging rod 430 is connected with the upper mold stripping block 410, the other end of the discharging rod 430 is connected with one end of the discharging spring 420, and the other end of the discharging spring 420 is connected with the upper mold base 300.
The material returning upper die device 10 is disposed above the lower die 20, and the material returning upper die device 10 moves toward the lower die 20 during molding. The guide assembly may be comprised of guide posts.
The lower die punch 21 and the discharging blind hole 400 are arranged oppositely, when the lower die punch 21 pushes the bracket net bottom raw material into the discharging blind hole 400 and onto the end surface of the upper die stripping block 410, the material cannot be formed by stamping yet under the influence of the arrangement of the discharging spring 420, the lower die punch 21 and the discharging spring 420 continue to move relatively, the material returning upper die device 10 continues to move towards the lower die 20 until one surface of the transition plate 200 close to the lower die 20 is in contact with the upper die stripping block 410, at this time, the upper die stripping block 410 and the transition plate 200 are kept relatively static, and the bracket net bottom raw material is formed by stamping between the upper die stripping block 410 and the lower die punch 21.
The lower die punch 21 separates the required material from the base material and pushes the required material into the discharging blind hole 400, and the lower die punch 21 is matched with the upper die stripping block 410 in the discharging blind hole 400 for forming, so that the forming process and the blanking process of the bracket net bottom are completed at one time.
When one surface of the transition plate 200 close to the lower mold 20 is abutted against the upper mold stripping block 410, the upper mold stripping block 410 moves a distance towards the discharge spring 420 relative to the original state, the length of the discharge rod 430 is unchanged by the force transmission of the discharge rod 430, and the discharge spring 420 is extruded and in a compressed state and has large elastic potential energy.
After the bracket net bottom is formed, the material returning upper die device 10 moves upwards, the material returning upper die device 10 is separated from the lower die 20, the upper die punch is withdrawn from the discharging blind hole 400, at the moment, the upper die stripping block 410 loses the abutting pressure of the upper die punch, the discharging spring 420 in a compressed state releases elastic potential energy, the upper die stripping block 410 moves towards the feeding hole, the bracket net bottom product at the forming end face of the upper die stripping block 410 is pushed to be withdrawn from the discharging blind hole 400, the automatic withdrawal of the formed product is realized, and the production efficiency is improved.
Further, referring to fig. 1 to 4, the length direction of the discharging rod 430 and the length direction of the discharging spring 420 are both consistent with the working moving direction of the material returning upper die device 10. The working movement direction of the stripper upper die device 10 refers to a direction in which the stripper upper die device 10 moves toward the lower die 20, and the longitudinal direction of the stripper spring 420 also refers to the axial direction of the stripper spring 420. The discharge rod 430 and the discharge spring 420 are distributed along the working moving direction of the material returning upper die device 10, which is favorable for the cooperation between the upper die punch, the upper die stripper block 410, the discharge rod 430 and the discharge spring 420.
Further, referring to fig. 2 to 4, the discharging rod 430 includes a discharging push plate 431 and a discharging pin 432, the discharging push plate 431 and the discharging pin 432 are both disposed in the discharging blind hole 400, one end of the discharging spring 420 far away from the upper die base 300 is connected to one side of the discharging push plate 431, and a groove 431a is disposed on the other side of the discharging push plate 431. The discharging pin 432 is arranged in a T shape and comprises a flat head part 432a and a straight body part 432b, the flat head part 432a is placed in the groove 431a, the flat head part 432a is in contact with the discharging push plate 431, the straight body part 432b penetrates through the transition plate 200, and the straight body part 432b is connected with the upper mold stripping block 410. The discharging blind hole 400 forms a nail passing channel in the transition plate 200, the straight body part 432b penetrates through the nail passing channel, and the radius of the flat head part 432a is larger than that of the nail passing channel. The discharge spring 420 is configured in a compressed state such that the flat head portion 432a is in close contact with the discharge push plate 431 at the groove 431a and the straight body portion 432b is in close contact with the upper stripper block 410.
The discharge rod 430 provides force transfer between the upper stripper block 410 and the discharge spring 420 by way of a discharge pin 432 and a discharge push plate 431. Generally, the cross-sectional area of the adopted shaft body is smaller, and due to the consideration of adopting a spring with a larger elastic coefficient, through the arrangement of the discharging push plate 431, the discharging pin 432, the discharging push plate 431 and the discharging spring 420 are sequentially contacted with each other and closely connected, and the cross-sectional area of the discharging push plate 431 in the radial direction of the discharging blind hole 400 is larger, so that the spring with a larger cross-sectional area can be selected. Therefore, the selected discharging spring 420 has a large elastic coefficient, the elastic potential energy corresponding to a certain compression amount is large, and the elasticity of the discharging push plate 431 is large in a certain compression amount, so that the bracket net bottom die can be more easily withdrawn after being molded in the discharging blind hole 400.
Further, referring to fig. 2 and 4, along the working moving direction of the material returning upper die device 10, the length of the groove 431a is equal to the length of the flat head 432 a. When the surface of the discharging push plate 431 with the groove 431a contacts with a fixed surface in the material returning upper die device 10, namely the material returning upper die device 10 is separated from the lower die 20, the material returning upper die device 10 returns to a standby state, the flat head part 432a of the discharging pin 432 just contacts with the fixed surface and the surface of the groove 431a simultaneously, and the discharging push plate 431 is abutted to the fixed surface by the discharging spring 420. In this way, in the standby state, the contact area between the discharge pusher 431 and the fixed surface is large, and the positions of the discharge pin 432 and the discharge pusher 431 are stable.
Further, referring to fig. 2 and 3, the transition plate 200 includes an upper mold clamping plate 210 and an upper mold backing plate 220, the upper mold base 300, the upper mold clamping plate 210, the upper mold backing plate 220, and the upper mold plate 100 are sequentially and fixedly connected, and the discharging blind hole 400 is disposed through the upper mold clamping plate 210 and the upper mold backing plate 220. The upper mold insert 110 is fixed to the upper mold pad 220 by screws, and the discharge push plate 431 is provided in a portion of the discharge blind hole 400 in the upper mold clamping plate 210. In the radial direction of the blind discharge hole 400, the cross-sectional area of the discharge push plate 431 is larger than that of the staple passing channel.
The upper mold plate 210 is used to provide a channel for the straight body part 432b of the discharge pin 432 to move, the channel is formed in the upper mold plate 210 by the discharge blind hole 400, and the inner diameter of the channel is close to the diameter of the straight body part 432b of the discharge pin 432 as much as possible, so that the disadvantage of the discharge pin 432 rattling is improved.
The discharging blind hole 400 penetrates through the upper mold insert 110, wherein a part of the discharging blind hole is concavely and convexly provided to form a step, and the upper mold stripping block 410 is provided with a corresponding step, for example, the discharging blind hole can be arranged in a T shape, so that the upper mold stripping block 410 can be limited within the range of the upper mold insert 110. The upper die insert 110 is fixed on the upper die base plate 220 through screws, and the upper die stripping block 410 can be quickly replaced through quick disassembly of the upper die insert 110, so that the bracket net bottoms of different specifications can be manufactured conveniently and quickly.
Further, referring to fig. 2 and fig. 4, along the radial direction of the blind unloading hole 400, the unloading push plate 431 is disposed adjacent to the wall of the blind unloading hole 400. Specifically, the discharging push plate 431 is placed in the part, located on the upper mold clamping plate 210, of the discharging blind hole 400 in the standby state, the discharging push plate 431 is arranged close to the hole wall of the discharging blind hole 400, namely the discharging push plate 431 is arranged close to the hole wall of the part, located on the upper mold clamping plate 210, of the discharging blind hole 400, the situation that the discharging push plate 431 is shaken in the moving process is improved, and the stability of the discharging push plate 431 in the moving process is facilitated.
Further, referring to fig. 2, the distribution area of the discharging spring 420 is consistent with the distribution area of the discharging push plate 431 along the radial direction of the discharging blind hole 400. The cross-sectional area of the discharging and discharging spring 420 is larger, and the molded product can be better pushed out of the discharging blind hole 400.
Further, a first molding surface is arranged on the end face, close to the material returning upper die device 10, of the lower die punch 21, a second molding surface is arranged at one end, close to the lower die 20, of the upper die stripping block 410, a marking convex line is arranged on the second molding surface, the first molding surface and the second molding surface are matched for marking the marking line, hanging platforms are arranged on two sides, far away from one end of the lower die 20, of the upper die stripping block 410, the discharging blind holes 400 are arranged in the upper die plate 100 in a convex-concave mode to form hanging platform holes, and the hanging platforms are matched with the hanging platform holes to enable the upper die stripping block 410.
Realize holding in palm shaping and the line of carving marks of groove net end material through first profiled surface and second profiled surface, realize shaping process and the line of carving marks process in one operation, simplify the manufacturing process of holding in the palm the groove net end, improve production efficiency.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a mould device on material returned, passes through the cooperation of direction subassembly with the lower mould, its characterized in that:
the material returning upper die device is provided with a discharging blind hole, the discharging blind hole forms a feeding hole at the end face of the upper die insert close to the lower die, and one end of the discharging blind hole penetrates through the transition plate and is arranged in the upper die base;
a movable upper die stripping block is arranged in the discharging blind hole, the movable direction of the upper die stripping block is consistent with the working moving direction of the material returning upper die device, a lower die punch is fixedly arranged on the lower die and is arranged on the moving path of the upper die stripping block, and the lower die punch is used for ejecting the bracket net bottom raw material into the discharging blind hole;
the discharging blind hole is internally provided with a discharging spring and a discharging rod, one end of the discharging rod is connected with the upper die stripping block, the other end of the discharging rod is connected with one end of the discharging spring, and the other end of the discharging spring is connected with the upper die base.
2. A material return upper die device according to claim 1, characterized in that:
the length direction of the discharging rod and the length direction of the discharging spring are consistent with the working moving direction of the material returning upper die device.
3. A material return upper die device according to claim 1, characterized in that:
the discharging rod comprises a discharging push plate and a discharging pin, the discharging push plate and the discharging pin are both arranged in the discharging blind hole, one end of the discharging spring, far away from the upper die base, is connected with one side of the discharging push plate, and the other side of the discharging push plate is provided with a groove;
the discharging pin is arranged in a T shape and comprises a flat head part and a straight body part, the flat head part is arranged in the groove, the flat head part is contacted with the discharging push plate, the straight body part penetrates through the transition plate, and the straight body part is connected with the upper die stripping block;
the discharging blind hole forms a nail passing channel in the transition plate, the straight body penetrates through the nail passing channel, and the radius of the flat head is larger than that of the nail passing channel;
the discharging spring is configured to be in a compressed state, so that the flat head part is in close contact with the discharging push plate at the groove, and the straight body part is in close contact with the upper mold stripping block.
4. A material return upper die apparatus according to claim 3, wherein:
and along the working moving direction of the material returning upper die device, the length of the groove is equal to that of the flat head.
5. A material return upper die apparatus according to claim 3, wherein:
the transition plate comprises an upper die clamping plate and an upper die base plate, the upper die base, the upper die clamping plate, the upper die base plate and the upper die plate are fixedly connected in sequence, and the discharging blind hole penetrates through the upper die clamping plate and the upper die base plate;
the upper die insert is fixed on the upper die base plate through a screw, and the discharging push plate is arranged in the part of the discharging blind hole in the upper die clamping plate;
and along the radial direction of the discharging blind hole, the cross-sectional area of the discharging push plate is larger than that of the nail passing channel.
6. A material returning upper die device according to claim 5, characterized in that:
and the discharging push plate is arranged close to the hole wall of the discharging blind hole along the radial direction of the discharging blind hole.
7. A material returning upper die device according to claim 5, characterized in that:
and along the radial direction of the discharging blind hole, the distribution area of the discharging spring is consistent with that of the discharging push plate.
8. A material return upper die device according to claim 1, characterized in that:
the end face, close to the material returning upper die device, of the lower die punch is provided with a first forming surface, one end, close to the lower die, of the upper die stripping block is provided with a second forming surface, the second forming surface is provided with a marking convex line, the first forming surface and the second forming surface are matched for marking the line, two sides, far away from one end of the lower die, of the upper die stripping block are provided with hanging tables, the discharging blind holes are arranged in the upper die plate in a convex-concave mode to form hanging table holes, and the hanging tables are matched with the hanging table holes to achieve that the upper die stripping block is abutted to the upper die plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970943.1U CN212070225U (en) | 2019-11-14 | 2019-11-14 | Material returning upper die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970943.1U CN212070225U (en) | 2019-11-14 | 2019-11-14 | Material returning upper die device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212070225U true CN212070225U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921970943.1U Active CN212070225U (en) | 2019-11-14 | 2019-11-14 | Material returning upper die device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212070225U (en) |
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2019
- 2019-11-14 CN CN201921970943.1U patent/CN212070225U/en active Active
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