Splitting device of foldable chip resistor

Abstract

According to the chip breaking device of the foldable chip resistor, a plurality of chip breaking lines are arranged on the chip resistor at intervals; the chip resistor splitting device is characterized by comprising a supporting bottom plate, a splitting pressing plate rotationally arranged on one side of the supporting bottom plate, a fixing assembly arranged on the supporting bottom plate and used for fixing a chip resistor, a positioning assembly arranged on the splitting pressing plate and used for fixing a splitting part of the chip resistor, and a connecting assembly arranged between the supporting bottom plate and the splitting pressing plate, the splinter pressing plate can rotate until the top surface of the splinter pressing plate is flush with the top surface of the supporting bottom plate, the chip resistor is arranged on the supporting bottom plate, and a splinter part of the chip resistor extends and is fixed on the splinter pressing plate, so that a splinter line on the chip resistor is opposite to a splicing part between the supporting bottom plate and the splinter pressing plate; through fixed-point cooperation of the chip resistor cracking part, the fixing assembly and the positioning assembly, chip resistor cracking treatment is achieved, the whole device is simple in structure and easy to operate, and the chip resistor cracking requirements of multiple sizes can be met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sheet resistor crack device, specifically relates to a kind of crack device of foldable sheet resistor. BACKGROUND

[0002] The substrate size commonly used by sheet resistor is mostly 70mm*60mm, but some special products need to use some relatively small size substrates, such as 60mm*50mm, 50.8mm*50.8mm, etc. Then the substrate supplier will laser scribe the selected substrate along the x and y directions according to the user's design requirements to change the substrate into multiple ordered cells. In the production process of sheet resistor, there is a process of cracking, which is to split the whole sheet into strips along the x direction scribe marks. For this, if the conventional substrate size cracking device is used for cracking in small batch production trial, debugging not only needs a certain amount of trial pieces, and the trial time is long, and the parameters such as belt and pressure need to be replaced / adjusted, which is relatively cumbersome. If manual breaking is used for cracking, the stress point is uneven, and there are a few tail parts that are difficult to break. If it can be broken, it will only be broken, and the broken material will splash, which will cause injury, and further improvement is needed. SUMMARY

[0003] The utility model aims at overcoming the shortcomings of prior art, and provides a kind of crack device of foldable sheet resistor.

[0004] The utility model adopts the following technical scheme:

[0005] A kind of crack device of foldable sheet resistor, the sheet resistor is spaced apart and is provided with a plurality of crack lines, characterized by: including support base plate, crack pressing plate rotatably arranged in one side of support base plate, fixing assembly for fixing sheet resistor is arranged on support base plate, positioning assembly for fixing sheet resistor cracking part is arranged on crack pressing plate and connecting assembly is arranged between support base plate and crack pressing plate, the crack pressing plate can be rotated to its top surface with support base plate top surface flush, sheet resistor is arranged on support base plate and makes its cracking part extend and be fixed on crack pressing plate, so that the crack line on sheet resistor is opposite to the joint between support base plate and crack pressing plate.

[0006] Further, the support base plate includes a base plate body and two first limit strips extending along the length direction of the support base plate and spaced apart on the base plate body, and the sheet resistor is arranged between the two first limit strips.

[0007] Further, the fixing assembly comprises a fixing block arranged on the support bottom plate for fixing the chip resistor, two limiting grooves arranged on the bottom surface of the fixing block and extending upward for embedding the first limiting strips, and two fixing members arranged between the fixing block and the support bottom plate and respectively located on both sides of the two first limiting strips.

[0008] Further, the bottom surface of the fixing block is formed with a clearance groove extending upward and opposite to the chip resistor on the support bottom plate, and the clearance groove is located between the two limiting grooves.

[0009] Further, the fixing member comprises a plurality of first fixing holes arranged on the fixing block and spaced along the length direction of the fixing block, a plurality of second fixing holes arranged on the support bottom plate and opposite to the plurality of first fixing holes, and a plurality of fixing bolts respectively penetrating the plurality of first fixing holes and cooperating with the opposite second fixing holes.

[0010] Further, the crack pressing plate comprises a pressing plate body and two second limiting strips arranged on the pressing plate body and extending along the length direction of the crack pressing plate, and the two second limiting strips are respectively opposite to the two first limiting strips, and the chip resistor crack part extends from the support bottom plate to between the two second limiting strips.

[0011] Further, the positioning assembly comprises a positioning block arranged on the crack pressing plate for fixing the chip resistor crack part, two positioning grooves arranged on the bottom surface of the positioning block and extending upward for embedding the second limiting strips, and two positioning members arranged between the positioning block and the crack pressing plate and respectively located on both sides of the two second limiting strips.

[0012] Further, the positioning member comprises a first positioning hole arranged on the positioning block, a second positioning hole arranged on the crack pressing plate and opposite to the first positioning hole, and a positioning bolt penetrating the first positioning hole and screwing with the second positioning hole.

[0013] Further, the connecting assembly comprises two first connecting blocks arranged on one end of the support bottom plate and opposite to the crack pressing plate, and two second connecting blocks arranged on one end of the crack pressing plate and opposite to the support bottom plate, the two first connecting blocks are respectively connected with the two second connecting blocks, the opposite surfaces of the crack pressing plate and the support bottom plate are formed with two connecting grooves extending inward for embedding the two first connecting blocks, and the connecting grooves are located inside the opposite second connecting blocks, so that the first connecting blocks are arranged adjacent to the opposite second connecting blocks.

[0014] Further, the opposite surfaces of the support bottom plate and the crack pressing plate are formed with a first clearance surface extending obliquely inward, and the opposite surfaces of the crack pressing plate and the support bottom plate are formed with a second clearance surface extending obliquely inward.

[0015] From the above description of the utility model, compared with the prior art, the utility model has the beneficial effects that: the utility model specifically limits the structure of the splitting device, realizes the splitting treatment of the chip resistor through the fixed-point cooperation of the chip resistor splitting part and the fixing assembly and the positioning assembly, the overall device structure is simple and easy to use, can meet the splitting demand of chip resistors of multiple sizes, does not need to occupy equipment, effectively expands the device adaptation size range, avoids the waste of power resources and the increase of labor and time cost in the debugging of multiple size equipment, also effectively saves material cost; meanwhile, the integrity and undamagedness of the splitting strip are ensured, the splitting process is effectively carried out, the splitting yield is improved; the risk of injury caused by the manual splitting of personnel is eliminated; in addition, the device occupies small space, can be folded up for placement after use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the splitting device;

[0017] Figure 2 It is an exploded schematic view of the splitting device;

[0018] Figure 3 It is a structure schematic view of the supporting bottom plate;

[0019] Figure 4 It is a structure schematic view of the splitting pressing plate Figure 1 ;

[0020] Figure 5 It is a structure schematic view of the splitting pressing plate Figure 2 ;

[0021] Figure 6 It is a structure schematic view of the fixing plate;

[0022] In the figure, 1 is the supporting bottom plate, 2 is the splitting pressing plate, 3 is the fixing assembly, 4 is the positioning assembly, 5 is the connecting assembly, 11 is the bottom plate body, 12 is the first limiting strip, 13 is the first giving place surface, 21 is the pressing plate body, 22 is the second limiting strip, 23 is the connecting groove, 24 is the second giving place surface, 31 is the fixing block, 32 is the limiting groove, 33 is the fixing piece, 331 is the first fixing hole, 332 is the second fixing hole, 333 is the fixing bolt, 34 is the giving place groove, 41 is the positioning block, 42 is the positioning groove, 43 is the positioning piece, 431 is the first positioning hole, 432 is the second positioning hole, 433 is the positioning bolt, 51 is the first connecting block, and 52 is the second connecting block. DETAILED DESCRIPTION

[0023] The utility model will be further described through the specific implementation.

[0024] REFERENCE Figures 1 to 6As shown, a kind of crack device of foldable chip resistor, including support base plate 1, crack pressing plate 2 rotatably arranged in one side of support base plate 1, fixing assembly 3 for fixing chip resistor arranged on support base plate 1, positioning assembly 4 for fixing chip resistor crack part arranged on crack pressing plate 2 and connecting assembly 5 arranged between support base plate 1 and crack pressing plate 2, wherein, a plurality of crack lines are arranged on chip resistor with interval, when chip resistor carries out crack process, crack pressing plate 2 is rotated to its top surface with the top surface of support base plate 1 flush, then chip resistor is placed on support base plate 1 and makes its crack part at front end extend to crack pressing plate 2, so that the crack line on chip resistor is opposite to the joint between support base plate 1 and crack pressing plate 2, then fixed assembly 3 and positioning assembly 4 are used to fix chip resistor and crack part respectively, crack pressing plate 2 can be rotated downward, so that crack part is completely disconnected from chip resistor, and the crack processing of chip resistor is completed.

[0025] Support base plate 1, including base plate body 11 and two first limit strips 12 arranged on base plate body 11 with interval and extending along the length direction of support base plate 1, wherein, chip resistor is arranged between two first limit strips 12.

[0026] Crack pressing plate 2, including pressing plate body 21 and two second limit strips 22 arranged on pressing plate body 21 with interval and extending along the length direction of crack pressing plate 2, when crack pressing plate 2 is rotated to its top surface with the top surface of support base plate 1 flush, two second limit strips 22 are respectively opposite to two first limit strips 12, so that chip resistor crack part extends from support base plate 1 to crack pressing plate 2 and is located between two second limit strips 12.

[0027] Fixing assembly 3, including fixing block 31 for fixing chip resistor arranged on support base plate 1, two limit grooves 32 arranged on the bottom surface of fixing block 31 with interval and extending upward for embedding relative to first limit strip 12 and two fixing pieces 33 respectively arranged between fixing block 31 and support base plate 1 and respectively located on the two sides of two first limit strips 12, specifically, the bottom surface of fixing block 31 is formed with let-out groove 34 extending upward and opposite to chip resistor on support base plate 1, wherein, let-out groove 34 is located between two limit grooves 32, by arranging let-out groove 34 on the bottom surface of fixing block 31, gap is left out to avoid product surface damaged when moving.

[0028] The fixing member 33 comprises a plurality of first fixing holes 331 arranged along the length direction of the fixing block 31, a plurality of second fixing holes 332 arranged on the support base plate 1 opposite to the plurality of first fixing holes 331, and a plurality of fixing bolts 333 respectively threaded through the plurality of first fixing holes 331 and the opposite second fixing holes 332. When the position of the chip resistor is adjusted, the fixing plate 31 is locked on the support base plate 1 by the cooperation of the fixing bolts 333 and the opposite second fixing holes 332, so that the chip resistor does not shift, and the fixation of the chip resistor is completed.

[0029] The positioning assembly 4 comprises a positioning block 41 arranged on the chip fracture pressing plate 2 for fixing the chip resistor fracture part, two positioning grooves 42 arranged on the bottom surface of the positioning block 41 and extending upward for embedding the opposite second limiting strips 22, and two positioning members 43 respectively arranged between the positioning block 41 and the chip fracture pressing plate 2 and located on both sides of the two second limiting strips 22. Specifically, the positioning member 43 comprises a first positioning hole 431 arranged on the positioning block 41, a second positioning hole 432 arranged on the chip fracture pressing plate 2 opposite to the first positioning hole 431, and a positioning bolt 433 threaded through the first positioning hole 431 and the second positioning hole 432. After the position of the chip capacitor is adjusted, the positioning bolt 433 is screwed with the second positioning hole 432 to fix the chip resistor fracture part on the chip fracture pressing plate 2.

[0030] The connecting assembly 5 comprises two first connecting blocks 51 arranged on the support base plate 1 opposite to the chip fracture pressing plate 2 at one end, and two second connecting blocks 52 arranged on the chip fracture pressing plate 2 opposite to the support base plate 1 at one end. The two first connecting blocks 51 are connected with the two second connecting blocks 52 respectively. The opposite surfaces of the support base plate 1 and the chip fracture pressing plate 2 are formed with two connecting grooves 23 extending inward for embedding the two first connecting blocks 51 respectively. The connecting grooves 23 are located inside the opposite second connecting blocks 52, so that the first connecting blocks 51 and the second connecting blocks 52 are arranged adjacent to each other. When the support base plate 1 and the chip fracture pressing plate 2 are connected, the two first connecting blocks 51 are embedded in the opposite connecting grooves 23 respectively, and are connected with the opposite second connecting blocks 52 through the rotating shafts, so that the chip fracture pressing plate 2 can rotate relative to the support base plate 1. Specifically, the opposite surfaces of the support base plate 1 and the chip fracture pressing plate 2 are formed with a first clearance surface 13 and a second clearance surface 24 respectively, which are inclined and extend inward. The first clearance surface 13 and the second clearance surface 24 are arranged to provide a clearance for the rotation of the chip fracture pressing plate 2, so as to prevent the support base plate 1 and the chip fracture pressing plate 2 from being stuck during assembly.

[0031] Based on the above chip fracture device, the chip resistor is subjected to chip fracture treatment, which specifically comprises the following steps:

[0032] Step 1, assemble the support base plate 1 and the split plate 2 through the connecting assembly 5, and install the positioning block 41 on the split plate 2, roughly screw the positioning bolt 433, and do not lock it;

[0033] Step 2, rotate the split plate 2 to the top surface of the support base plate 1, and then place the finished printed resistor on the support base plate 1 between the two first limiting strips 12;

[0034] Step 3, adjust the position of the chip resistor, move the split part to the position below the positioning block 41 on the split plate 2, and make the split line of the chip resistor opposite to the joint between the support base plate 1 and the split plate 2, then tighten the positioning bolt 433 to fix the positioning block on the split plate 2, and fix the split part;

[0035] Step 4, install the fixed block 31 on the support base plate 1, make the two first limiting strips 12 respectively embedded in the two limiting grooves 32 at the bottom surface of the fixed block 31, and fix the fixed block 31 on the support base plate 1 through the cooperation of the fixed bolt 333 and the opposite second fixed hole 332, so that the chip resistor does not shift, and the fixation of the chip resistor is completed;

[0036] Step 5, check whether the split line of the chip resistor is opposite to the joint between the support base plate 1 and the split plate 2, and if there is no error, rotate the split plate 2 downward to completely separate the split part from the chip resistor, and complete the split processing of the chip resistor;

[0037] Step 6, collect the split strip, loosen the fixed bolt 333, re-adjust the position of the chip resistor, move the next split part to the split plate 2, and repeat the actions of steps 3 to 5 until the split processing of all split parts of the chip resistor is completed.

[0038] The application specifically defines the structure of the split device, realizes the split processing of the chip resistor through the point cooperation of the split part of the chip resistor and the fixed block 31 and the positioning block 41, the overall device structure is simple and easy to use, can meet the split demand of chip resistors of multiple sizes, does not need to occupy equipment, effectively expands the device size range, avoids the waste of power resources and the increase of labor and time cost in the debugging of multiple size equipment, also effectively saves the material cost; at the same time, the integrity and non-damage of the split strip are ensured, the split process is effectively carried out, the split yield is improved, the risk of injury caused by manual splitting of personnel is eliminated; in addition, the device occupies small space, and can be folded up after use.

[0039] The above merely describes preferred embodiments of the present application, and therefore cannot limit the scope of the present application, i.e. equivalent changes and modifications made according to the scope of the present application and the content of the specification shall still belong to the scope of the present application.

Claims

1. A device for slitting a foldable chip resistor, the chip resistor having a plurality of slitting lines arranged at intervals thereon, characterized in that: The support base plate, the splint pressing plate rotatably arranged on one side of the support base plate, the fixing assembly arranged on the support base plate for fixing the chip resistor, the positioning assembly arranged on the splint pressing plate for fixing the splint part of the chip resistor and the connecting assembly arranged between the support base plate and the splint pressing plate, the splint pressing plate can be rotated to the top surface of the splint pressing plate flush with the top surface of the support base plate, the chip resistor is arranged on the support base plate and the splint part of the chip resistor is fixed on the splint pressing plate, so that the splint line on the chip resistor is opposite to the joint between the support base plate and the splint pressing plate.

2. A device for splitting a foldable sheet resistor according to claim 1, characterized in that: The support base plate comprises a base plate body and two first limiting strips arranged on the base plate body and extending along the length direction of the support base plate, and the chip resistor is arranged between the two first limiting strips.

3. A device for splitting a foldable sheet resistor according to claim 2, characterized in that: The fixing assembly comprises a fixing block arranged on the support base plate for fixing the chip resistor, two limiting grooves arranged on the bottom surface of the fixing block and extending upward for embedding the relative first limiting strips, and two fixing members arranged between the fixing block and the support base plate and located on the two sides of the two first limiting strips respectively.

4. A device for splitting a foldable sheet resistor according to claim 3, characterized in that: The bottom surface of the fixing block is formed with a clearance groove extending upward and opposite to the chip resistor on the support base plate, and the clearance groove is located between the two limiting grooves.

5. A device for splitting a foldable sheet resistor according to claim 3, characterized in that: The fixing member comprises a plurality of first fixing holes arranged on the fixing block and extending along the length direction of the fixing block, a plurality of second fixing holes arranged on the support base plate and opposite to the plurality of first fixing holes, and a plurality of fixing bolts respectively penetrating the plurality of first fixing holes and cooperating with the opposite second fixing holes.

6. A device for splitting a foldable sheet resistor according to claim 2, characterized in that: The splint pressing plate comprises a pressing plate body and two second limiting strips arranged on the pressing plate body and extending along the length direction of the splint pressing plate, and the two second limiting strips are opposite to the two first limiting strips respectively, and the splint part of the chip resistor extends from the support base plate to between the two second limiting strips.

7. A device for splitting a foldable sheet resistor according to claim 6, characterized in that: The positioning assembly comprises a positioning block arranged on the splint pressing plate for fixing the splint part of the chip resistor, two positioning grooves arranged on the bottom surface of the positioning block and extending upward for embedding the relative second limiting strips, and two positioning members arranged between the positioning block and the splint pressing plate and located on the two sides of the two second limiting strips respectively.

8. A device for splitting a foldable sheet resistor according to claim 7, characterized in that: The positioning member comprises a first positioning hole arranged on the positioning block, a second positioning hole arranged on the splint pressing plate and opposite to the first positioning hole, and a positioning bolt screwing through the first positioning hole and the second positioning hole.

9. A device for splitting a foldable sheet resistor according to claim 1, characterized in that: The connecting assembly comprises two first connecting blocks arranged on one end of the support base plate and opposite to the splint pressing plate, and two second connecting blocks arranged on one end of the splint pressing plate and opposite to the support base plate, the two first connecting blocks are connected with the two second connecting blocks respectively, the opposite surface of the splint pressing plate and the support base plate is formed with two connecting grooves extending inward for embedding the two first connecting blocks respectively, and the connecting grooves are located on the inner side of the opposite second connecting blocks, so that the first connecting blocks are arranged adjacent to the opposite second connecting blocks.

10. A device for splitting a foldable sheet resistor according to claim 9, characterized in that: The opposite surface of the support base plate and the splint pressing plate is formed with a first clearance surface extending inwardly and obliquely, and the opposite surface of the splint pressing plate and the support base plate is formed with a second clearance surface extending inwardly and obliquely.

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