CN109277797B - LED particle supplementing machine die - Google Patents
LED particle supplementing machine die Download PDFInfo
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- CN109277797B CN109277797B CN201710598131.8A CN201710598131A CN109277797B CN 109277797 B CN109277797 B CN 109277797B CN 201710598131 A CN201710598131 A CN 201710598131A CN 109277797 B CN109277797 B CN 109277797B
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- 239000002245 particle Substances 0.000 title claims abstract 10
- 230000001502 supplementing effect Effects 0.000 title abstract 4
- 239000011324 bead Substances 0.000 description 25
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000008188 pellet Substances 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Led Device Packages (AREA)
Abstract
Description
技术领域technical field
本发明涉及LED技术领域，尤其是一种LED补粒机模具。The invention relates to the technical field of LEDs, in particular to a mold for an LED pellet filling machine.
背景技术Background technique
LED支架产品在生产过程中客观存在少量达不到客户品质要求的不良品LED灯珠,这就要求厂家用好的成品LED灯珠去替换不良品LED灯珠,用好的成品LED灯珠去替换不良品LED灯珠这一过程叫做补粒，而人工补粒效率低，劳动强度大。In the production process of LED bracket products, there are objectively a small number of defective LED lamp beads that do not meet the quality requirements of customers. This requires manufacturers to replace defective LED lamp beads with good finished LED lamp beads, and use good finished LED lamp beads to remove The process of replacing defective LED lamp beads is called grain replenishment, and artificial grain replenishment is inefficient and labor-intensive.
发明内容Contents of the invention
基于此，有必要针对人工LED补粒效率低、劳动强度大，提供一种LED补粒机模具，其特征在于，包括支架；第一冲子，所述第一冲子可上下往复运动地设置于所述支架；第二冲子，所述第二冲子可上下往复运动地设置于所述支架；第一驱动机构，用于驱动第一冲子往下运动，并固定设置于所述支架；第二驱动机构，用于驱动第二冲子往上运动，并固定设置于所述支架；LED支架固定块，所述LED支架固定块固定设置于所述支架，并位于所述第一冲子和第二冲子之间，所述LED支架固定块用于固定LED支架。Based on this, it is necessary to provide an LED pellet filling machine mold for the low efficiency and high labor intensity of artificial LED pellet filling, which is characterized in that it includes a bracket; a first punch, and the first punch can be reciprocated up and down. on the bracket; the second punch is arranged on the bracket so as to reciprocate up and down; the first driving mechanism is used to drive the first punch to move downward and is fixedly arranged on the bracket The second drive mechanism is used to drive the second punch to move upwards and is fixed on the bracket; the LED bracket fixing block is fixed on the bracket and is located on the first punch Between the sub and the second punch, the LED bracket fixing block is used to fix the LED bracket.
第一驱动机构驱动第一冲子往下运动，第一冲子将与之相抵的LED灯珠剥离LED支架，完成LED灯珠的剥落过程；第二驱动机构驱动第一冲子向上运动，将良品LED灯珠顶入需要更换LED灯珠的LED支架中，其中，不合格的LED灯珠已经提前取下。The first driving mechanism drives the first punch to move downward, and the first punch will peel off the LED lamp bead against the LED bracket to complete the peeling process of the LED lamp bead; the second driving mechanism drives the first punch to move upward, and the The good-quality LED lamp beads are pushed into the LED brackets that need to be replaced, and the unqualified LED lamp beads have been removed in advance.
优选的，所述第二冲子位于所述第一冲子的正下方，所述第一冲子和第二冲子中间设置有LED支架，所述第一冲子和第二冲子均与所述LED支架相抵。Preferably, the second punch is located directly below the first punch, an LED bracket is arranged between the first punch and the second punch, and both the first punch and the second punch are connected to the The LED brackets are offset.
第二冲子位于第一冲子的正下方，且第一冲子和第二冲子均与所述LED支架相抵，所以第一冲子将LED支架上的良品LED灯珠剥落时，LED灯珠会直接掉落在第二冲子的顶端，这样可以第二冲子可以直接将良品LED灯珠顶入需要更换灯珠的LED支架中，而不需要再讲良品LED灯珠放置在第二冲子顶部，使得操作过程简单，节省时间。The second punch is located directly below the first punch, and both the first punch and the second punch are against the LED bracket, so when the first punch peels off the good-quality LED beads on the LED bracket, the LED lamp The beads will fall directly on the top of the second punch, so that the second punch can directly push the good-quality LED lamp beads into the LED bracket that needs to be replaced, and there is no need to place the good-quality LED lamp beads on the second punch. The top of the punch makes the operation process simple and saves time.
优选的，所述第一驱动机构包括第一驱动部和在第一驱动部的驱动下左右往复运动的第一连接臂，所述第一连接臂上设有第一凹槽，所述第一凹槽左右两侧的侧面与所述第一凹槽的底面的夹角为钝角，所述第一冲子的一端与所述第一凹槽的底部相抵。Preferably, the first driving mechanism includes a first driving part and a first connecting arm that reciprocates left and right driven by the first driving part, a first groove is provided on the first connecting arm, and the first connecting arm The angle between the left and right sides of the groove and the bottom surface of the first groove is an obtuse angle, and one end of the first punch abuts against the bottom of the first groove.
第一驱动部驱动第一连接臂左右往复运动，第一连接臂往左运动时，第一冲子被迫从第一凹槽滑到第一连接臂表面，从而使得第一冲子往下运动，从而将与第一冲子相抵的灯珠剥离LED支架。因为第一凹槽左右两侧的侧面与底面的夹角为钝角，所以第一连接臂向左运动时，第一冲子更容易滑出第一凹槽。The first driving part drives the first connecting arm to reciprocate left and right. When the first connecting arm moves to the left, the first punch is forced to slide from the first groove to the surface of the first connecting arm, so that the first punch moves downward. , so that the lamp bead against the first punch is peeled off the LED bracket. Because the angles between the side surfaces and the bottom surface on the left and right sides of the first groove are obtuse angles, when the first connecting arm moves to the left, the first punch can more easily slide out of the first groove.
优选的，所述第一凹槽左右两侧的侧面为向内凹的弧面。Preferably, the side surfaces on the left and right sides of the first groove are curved surfaces concave inward.
弧面为连续曲面，更容易使得第一冲子从第一凹槽内滑出。The arc surface is a continuous curved surface, which makes it easier for the first punch to slip out of the first groove.
优选的，所述第一凹槽的内表面为光滑面。Preferably, the inner surface of the first groove is a smooth surface.
光滑面摩擦力小，利于第一冲子从第一凹槽内滑出。The friction force of the smooth surface is small, which is beneficial for the first punch to slide out from the first groove.
优选的，所述第二驱动机构包括第二驱动部和在第二驱动部的驱动下左右往复运动的第二连接臂，所述第二连接臂与第一连接臂相对设置，且位于所述第一连接臂正下方，所述第二连接臂与所述第二冲子的一端相抵，所述第二连接臂与所述第二冲子相抵处的一侧开设有第二凹槽，所述第二凹槽左右两侧的侧面与所述第二凹槽的底面的夹角为钝角。Preferably, the second driving mechanism includes a second driving part and a second connecting arm that reciprocates left and right driven by the second driving part, the second connecting arm is set opposite to the first connecting arm and is located on the Directly below the first connecting arm, the second connecting arm abuts against one end of the second punch, and a second groove is formed on the side where the second connecting arm abuts against the second punch, so that The angle between the side surfaces of the left and right sides of the second groove and the bottom surface of the second groove is an obtuse angle.
第二连接臂在第二驱动部的驱动下往右运动时，与第二凹槽的底面相抵的第二冲子被迫滑出第二凹槽，从而使第二冲子向上运动，从而将第二冲子顶端的灯珠顶入需要更换灯珠的LED支架中，完成LED灯珠的替换，其中LED支架中的不良品LED灯珠已经提前取出。When the second connecting arm moves to the right under the drive of the second driving part, the second punch that is against the bottom surface of the second groove is forced to slide out of the second groove, so that the second punch moves upwards, thereby moving the second punch to the right. The lamp bead on the top of the second punch is pushed into the LED bracket that needs to be replaced to complete the replacement of the LED lamp bead, and the defective LED lamp beads in the LED bracket have been taken out in advance.
优选的，所述第二凹槽左右两侧的侧面为向内凹的弧面。Preferably, the side surfaces on the left and right sides of the second groove are curved surfaces concave inward.
弧面为连续曲面，更容易使得第一冲子从第二凹槽内滑出。The arc surface is a continuous curved surface, which makes it easier for the first punch to slip out of the second groove.
优选的，所述第二凹槽的内表面为光滑面。Preferably, the inner surface of the second groove is a smooth surface.
光滑面摩擦力小，利于第一冲子从第一凹槽内滑出。The friction force of the smooth surface is small, which is beneficial for the first punch to slide out from the first groove.
优选的，第一冲子和第二冲子的表面为光滑面。Preferably, the surfaces of the first punch and the second punch are smooth.
第一冲子和第二冲子的表面为光滑面，摩擦力小，利于其从第一凹槽和第二凹槽内滑出。The surfaces of the first punch and the second punch are smooth, and the frictional force is small, which is beneficial for them to slide out from the first groove and the second groove.
下面结合上述技术方案对本发明的原理、效果进一步说明：Principle of the present invention, effect are further described below in conjunction with above-mentioned technical scheme:
1. 所述第二冲子位于所述第一冲子的正下方，所述第一冲子和第二冲子中间设置有LED支架，所述第一冲子和第二冲子均与所述LED支架相抵。第二冲子位于第一冲子的正下方，且第一冲子和第二冲子均与所述LED支架相抵，所以第一冲子将LED支架上的良品LED灯珠剥落时，LED灯珠会直接掉落在第二冲子的顶端，这样可以第二冲子可以直接将良品LED灯珠顶入需要更换灯珠的LED支架中，而不需要再讲良品LED灯珠放置在第二冲子顶部，使得操作过程简单，节省时间。1. The second punch is located directly below the first punch, and an LED bracket is arranged between the first punch and the second punch, and both the first punch and the second punch are connected to the offset the above LED bracket. The second punch is located directly below the first punch, and both the first punch and the second punch are against the LED bracket, so when the first punch peels off the good-quality LED beads on the LED bracket, the LED lamp The beads will fall directly on the top of the second punch, so that the second punch can directly push the good-quality LED lamp beads into the LED bracket that needs to be replaced, and there is no need to place the good-quality LED lamp beads on the second punch. The top of the punch makes the operation process simple and saves time.
2.第一冲子和第二冲子通过分别位于第一连接臂和第二连接臂上的第一凹槽和第二凹槽的左右往复运动实现上下往复运动，这样第一冲子和第二冲子上线运动的行程即为第一凹槽和第一凹槽的槽深，通过进出凹槽实现上下运动，可以精确控制第一冲子和第二冲子的行程，使得补粒过程精准快速，同时，这种传动方式避免了驱动部直接驱动第一冲子和第二冲子，可以有效避免驱动部的行程过短造成的脱粒不彻底或者因为驱动部的行程过长而导致LED补粒机模具的损坏。2. The first punch and the second punch realize up and down reciprocating motion through the left and right reciprocating motions of the first groove and the second groove respectively located on the first connecting arm and the second connecting arm, so that the first punch and the second The stroke of the second punch on the line is the groove depth of the first groove and the first groove. By entering and leaving the groove to realize the up and down movement, the stroke of the first punch and the second punch can be precisely controlled, so that the grain filling process is accurate. Fast, at the same time, this transmission method avoids the driving part from directly driving the first punch and the second punch, which can effectively avoid the incomplete threshing caused by the short stroke of the driving part or the LED compensation caused by the long stroke of the driving part. Damage to the mold of the granulator.
3.第一凹槽的左右两侧的侧面与底面的夹角为钝角，便于第一冲子从槽内沿着侧面滑出；第二凹槽的左右两侧的侧面与底面的夹角为钝角，便于第二冲子从槽内沿着侧面滑出；第一凹槽的侧面为内凹的弧面，便于第一冲子沿着弧面直接滑到第一连接臂的表面，第二凹槽的侧面为内凹的弧面，便于第二冲子沿着弧面直接滑到第二连接臂的表面。3. The angle between the sides and the bottom of the left and right sides of the first groove is an obtuse angle, which is convenient for the first punch to slide out from the groove along the sides; the angle between the sides and the bottom of the left and right sides of the second groove is The obtuse angle is convenient for the second punch to slide out from the groove along the side; the side of the first groove is a concave arc surface, which is convenient for the first punch to slide directly to the surface of the first connecting arm along the arc surface, and the second The side of the groove is a concave arc surface, which is convenient for the second punch to slide directly to the surface of the second connecting arm along the arc surface.
4. 第一凹槽、第二凹槽、第一冲子和第二冲子的表面均为光滑面，光滑面的表面摩擦力小，可以使得第一冲子和第二冲子顺利的冲第一凹槽和第二凹槽内滑出。4. The surfaces of the first groove, the second groove, the first punch and the second punch are all smooth, and the surface friction of the smooth surface is small, so that the first punch and the second punch can punch smoothly. Slip out of the first groove and the second groove.
附图说明Description of drawings
图1为本发明实施例所述LED补粒机模具的结构示意图一；Fig. 1 is a structural schematic diagram 1 of the mold of the LED pellet filling machine described in the embodiment of the present invention;
图2为本发明实施例所述LED补粒机模具的结构示意图二；Fig. 2 is the structure schematic diagram II of the mold of the LED pellet filling machine described in the embodiment of the present invention;
图3为本发明实施例所述LED补粒机模具的结构示意图三；Fig. 3 is a structural schematic diagram 3 of the mold of the LED filling machine described in the embodiment of the present invention;
图4为本发明实施例所述LED补粒机模具的结构示意图四；Fig. 4 is a structural schematic diagram 4 of the mold of the LED pellet filling machine described in the embodiment of the present invention;
图5为本发明实施例所述好的成品LED支架的结构示意图；5 is a schematic structural view of a finished LED bracket according to an embodiment of the present invention;
图6为本发明实施例所述不良品LED支架的结构示意图；Fig. 6 is a schematic structural diagram of a defective LED bracket according to an embodiment of the present invention;
附图标记说明：Explanation of reference signs:
第一驱动部11，第一连接臂1212，第一凹槽121，第一冲子13，第二驱动部21，第二连接臂22，第二凹槽221，第二冲子23，LED支架固定块3 。First driving part 11, first connecting arm 1212, first groove 121, first punch 13, second driving part 21, second connecting arm 22, second groove 221, second punch 23, LED bracket Fixed block 3 .
具体实施方式Detailed ways
为了便于本领域技术人员理解，下面将结合附图以及实施例对本发明做进一步详细描述：In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments:
如图1，一种LED补粒机模具，其特征在于，包括支架；第一冲子13，所述第一冲子13可上下往复运动地设置于所述支架；第二冲子23，所述第二冲子23可上下往复运动地设置于所述支架；第一驱动机构，用于驱动第一冲子13往下运动，并固定设置于所述支架；第二驱动机构，用于驱动第二冲子23往上运动，并固定设置于所述支架；如图3，LED支架固定块3，所述LED支架固定块3固定设置于所述支架，并位于所述第一冲子13和第二冲子23之间，所述LED支架固定块3用于固定LED支架。As shown in Fig. 1, a kind of mold of LED filling machine is characterized in that, comprises bracket; The first punch 13, described first punch 13 can be arranged on described bracket reciprocatingly up and down; The second punch 23, so The second punch 23 can be reciprocatingly arranged on the bracket; the first driving mechanism is used to drive the first punch 13 to move downward and is fixedly arranged on the bracket; the second driving mechanism is used to drive The second punch 23 moves upwards and is fixed on the bracket; as shown in Figure 3, the LED bracket fixing block 3 is fixed on the bracket and is located on the first punch 13 Between the second punch 23, the LED bracket fixing block 3 is used to fix the LED bracket.
其中一种实施例，所述第二冲子23位于所述第一冲子13的正下方，所述第一冲子13和第二冲子23中间设置有LED支架，所述第一冲子13和第二冲子23均与所述LED支架相抵。In one of the embodiments, the second punch 23 is located directly below the first punch 13, an LED bracket is arranged between the first punch 13 and the second punch 23, and the first punch 13 and the second punch 23 are all offset against the LED bracket.
其中一种实施例，所述第一驱动机构包括第一驱动部11和在第一驱动部11的驱动下左右往复运动的第一连接臂12，所述第一连接臂12上设有第一凹槽121，所述第一凹槽121左右两侧的侧面与所述第一凹槽121的底面的夹角为钝角，所述第一冲子13的一端与所述第一凹槽121的底部相抵。In one of the embodiments, the first driving mechanism includes a first driving part 11 and a first connecting arm 12 that reciprocates left and right under the drive of the first driving part 11, and the first connecting arm 12 is provided with a first Groove 121, the angle between the left and right sides of the first groove 121 and the bottom surface of the first groove 121 is an obtuse angle, one end of the first punch 13 and the bottom of the first groove 121 Bottom offset.
其中一种实施例，如图1所述第二驱动机构包括第二驱动部21和在第二驱动部21的驱动下左右往复运动的第二连接臂22，所述第二连接臂22与第一连接臂12相对设置，且位于所述第一连接臂12正下方，所述第二连接臂22与所述第二冲子23的一端相抵，所述第二连接臂22与所述第二冲子23相抵处的一侧开设有第二凹槽221，所述第二凹槽221左右两侧的侧面与所述第二凹槽221的底面的夹角为钝角。需要将良品LED灯珠从LED支架上剥离时，驱动部驱动第一连接臂12向左运动，如图1，第一冲子13从第一凹槽121内滑出到第一连接臂12表面，从而使得第一冲子13沿着第一凹槽121的侧壁运动，即往下运动，第一冲子13会将与其相抵的良品灯珠从LED支架上剥落，同时，第一驱动部11也驱动第二连接臂22往左运动，第二连接臂22上的第二凹槽221也跟着往左运动，从而，第二冲子23会从第二连接臂22的表面掉入到第二凹槽221中，使第二冲子23往下运动，被第一冲子13剥落的灯珠会随着第二冲子23下落，并留在第二冲子23的顶端。如图2，然后将需要更换灯珠的LED支架固定在LED支架固定块3上，第二连接臂22在第二驱动部21的驱动下往右运动，第二冲子23被迫从第二凹槽221内滑出到第二连接臂22的表面，第二冲子23往上运动，将其顶部的良品LED灯珠顶入LED支架内完成LED的补粒过程。One of the embodiments, as shown in FIG. 1 , the second driving mechanism includes a second driving part 21 and a second connecting arm 22 that reciprocates left and right under the drive of the second driving part 21, and the second connecting arm 22 is connected to the second connecting arm 22 A connecting arm 12 is oppositely arranged and is located directly below the first connecting arm 12, the second connecting arm 22 abuts against one end of the second punch 23, and the second connecting arm 22 is connected to the second punch. A second groove 221 is defined on one side where the punch 23 abuts, and the angle between the left and right sides of the second groove 221 and the bottom surface of the second groove 221 is an obtuse angle. When it is necessary to peel off the good-quality LED lamp beads from the LED bracket, the driving part drives the first connecting arm 12 to move to the left, as shown in Figure 1, the first punch 13 slides out from the first groove 121 to the surface of the first connecting arm 12 , so that the first punch 13 moves along the side wall of the first groove 121, that is, moves downward, and the first punch 13 will peel off the good-quality lamp bead against it from the LED bracket, and at the same time, the first driving part 11 also drives the second connecting arm 22 to move to the left, and the second groove 221 on the second connecting arm 22 also moves to the left, so that the second punch 23 will drop from the surface of the second connecting arm 22 into the first In the second groove 221 , the second punch 23 is moved downward, and the lamp beads peeled off by the first punch 13 will fall with the second punch 23 and stay on the top of the second punch 23 . As shown in Figure 2, then fix the LED bracket that needs to be replaced on the LED bracket fixing block 3, the second connecting arm 22 moves to the right under the drive of the second driving part 21, and the second punch 23 is forced from the second The groove 221 slides out to the surface of the second connecting arm 22, and the second punch 23 moves upwards to push the good-quality LED lamp beads on the top into the LED bracket to complete the LED replenishment process.
第一冲子13相对于第一凹槽121是左右往复运动的，第一凹槽121的左右两侧的侧面与第一凹槽121的底面的夹角为钝角，第一冲子13相对于第一凹槽121往左或者往右运动时，第一冲子13能顺着第一凹槽121左右两侧的侧面即顺着斜面往上运动，直至脱离第一凹槽121与第一连接臂12的表面相抵，可以使第一冲子13的运动更加平稳、连续。The first punch 13 reciprocates left and right with respect to the first groove 121, and the angle between the side surfaces of the left and right sides of the first groove 121 and the bottom surface of the first groove 121 is an obtuse angle, and the first punch 13 is relative to the first groove 121. When the first groove 121 moves to the left or right, the first punch 13 can move upward along the side surfaces of the left and right sides of the first groove 121, that is, along the slope, until it breaks away from the first groove 121 and connects with the first groove. The contact surfaces of the arms 12 can make the movement of the first punch 13 more stable and continuous.
其中一种实施例，所述第一凹槽121左右两侧的侧面为向内凹的弧面。第一凹槽121的左右两侧的侧面为内凹的弧面，弧面为连续面，第一冲子13相对于第一凹槽121向左或者向右运动时，能很容易的沿着弧面从第一凹槽121内滑出。In one embodiment, the side surfaces on the left and right sides of the first groove 121 are curved surfaces concave inward. The side surfaces on the left and right sides of the first groove 121 are concave arc surfaces, and the arc surface is a continuous surface. When the first punch 13 moves left or right relative to the first groove 121, it can easily move along the The arc surface slides out from the first groove 121 .
其中一种实施例，所述第一凹槽121的内表面为光滑面。第一凹槽121的表面光滑能使第一冲子13与第一凹槽121的相对运动受到的摩擦力更小，使得第一冲子13更容易在第一凹槽121的内表面滑动。In one embodiment, the inner surface of the first groove 121 is a smooth surface. The smooth surface of the first groove 121 can make the relative movement of the first punch 13 and the first groove 121 less frictional, making the first punch 13 slide on the inner surface of the first groove 121 more easily.
其中一种实施例，所述第二凹槽221左右两侧的侧面为向内凹的弧面。第二凹槽221的左右两侧的侧面为内凹的弧面，弧面为连续面，第二冲子23相对于第二凹槽221向左或者向右运动时，能很容易的沿着弧面从第二凹槽221内滑出。In one embodiment, the side surfaces on the left and right sides of the second groove 221 are curved surfaces concave inward. The side surfaces on the left and right sides of the second groove 221 are concave arc surfaces, and the arc surface is a continuous surface. When the second punch 23 moves to the left or right relative to the second groove 221, it can easily move along the The arc surface slides out from the second groove 221 .
其中一种实施例，所述第二凹槽221的内表面为光滑面。第二凹槽221的表面光滑能使第二冲子23与第二凹槽221的相对运动受到的摩擦力更小，使得第二冲子23更容易在第二凹槽221的内表面滑动。In one embodiment, the inner surface of the second groove 221 is a smooth surface. The smooth surface of the second groove 221 can make the relative movement of the second punch 23 and the second groove 221 less frictional, making it easier for the second punch 23 to slide on the inner surface of the second groove 221 .
其中一种实施例，第一冲子13和第二冲子23的表面为光滑面。第一冲子13和第二冲子23的表面光滑能使第一冲子13和第二冲子23与第一凹槽121和第二凹槽221的相对运动受到的摩擦力更小，使得第一冲子13和第二冲子23更容易在第一凹槽121和第二凹槽221的内表面滑动。In one embodiment, the surfaces of the first punch 13 and the second punch 23 are smooth surfaces. The smooth surface of the first punch 13 and the second punch 23 can make the relative movement of the first punch 13 and the second punch 23 and the first groove 121 and the second groove 221 less frictional force, so that The first punch 13 and the second punch 23 slide on the inner surfaces of the first groove 121 and the second groove 221 more easily.
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.
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