Precise positioning clamp for burning and capable of preventing chip from deviating

Abstract

The invention discloses a burning precision positioning clamp capable of preventing chip offset, which comprises a supporting assembly, a lower limiting assembly, an upper limiting plate and a pressing assembly, and is characterized in that the lower limiting assembly is arranged above the supporting assembly, the upper limiting plate is arranged above the lower limiting assembly, and the pressing assembly is arranged above the upper limiting plate; the supporting assembly comprises a first base plate, first limiting blocks for positioning the lower limiting assembly are arranged at the four corners of the first base plate, a bottom plate is arranged at the top end of the first base plate, and a plurality of plugs are arranged at the top end of the bottom plate; the lower limiting assembly comprises a second substrate, the second substrate is provided with a jack matched with the plug, and the second substrate is provided with a product limiting plate. According to the invention, the limiting block and the positioning pin of the supporting assembly are matched with the alignment groove and the insertion hole of the lower limiting assembly, and the positioning column and the second positioning pin of the lower limiting assembly are matched with the positioning hole of the upper limiting plate, so that precise assembly between the assemblies is realized.

Description

A precision positioning fixture for programming to prevent chip misalignment Technical Field

[0001] This invention relates to the field of chip fixture technology, specifically a precision positioning fixture for programming chips to prevent chip misalignment. Background Technology

[0002] With the development of electronic technology and the increasing demand from consumers for electronic devices, software chip programming operations are required to have high production efficiency to meet the requirements of large-scale production. Fixtures are needed in the process of simulating and programming chips.

[0003] The existing announcement number CN212887253U discloses a chip programming fixture, including a base, a column, and a connecting arm at the top of the column. A connector is provided inside the base, and a positioning template is provided on the base. At least two guide posts are provided between the connecting arm and the base. A pressure plate is slidably connected to the guide posts. Several rubber posts are spaced apart on the lower surface of the pressure plate. A pressing mechanism is provided between the pressure plate and the connecting arm. An elongated hole is provided in the middle of the positioning template. Pins for connecting to the chip are provided on the base. All pins are connected to the connector through wires. The pins are arranged inside the elongated hole, and the ends of the pins are connected to the chip positioned on the positioning template.

[0004] The existing publication number CN221225477U discloses an ICT-based simulation programming fixture, including a worktable and a cylinder. A positioning frame is fixedly connected to the top of the outer surface of the worktable. A chip body is placed between the inner cavity of the positioning frame and the middle of the top of the outer surface of the worktable. A moving plate is fixedly installed at the output end of the cylinder, and a programming interface is fixedly installed at the bottom of the moving plate. The worktable and positioning frame facilitate the support and positioning of the chip body to be programmed, preventing horizontal displacement of the chip body. The cylinder, moving plate, fixed rod, ball bearings, and fixed clamping plate effectively limit the top of the chip body.

[0005] In summary, while existing fixtures can hold chips, there is no structure in the current technology to improve the holding accuracy of chips with high precision. Therefore, we propose a precision positioning fixture for programming that prevents chip misalignment. Summary of the Invention

[0006] The purpose of this invention is to provide a precision positioning fixture for programming chips to prevent chip misalignment, thereby solving the problems in the prior art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a precision positioning fixture for programming to prevent chip misalignment, comprising a support component, a lower limit component, an upper limit plate, and a pressing component. The lower limit component is disposed above the support component, the upper limit plate is disposed above the lower limit component, and the pressing component is disposed above the upper limit plate. The support component includes a first substrate, with first limiting blocks for positioning the lower limit component disposed at its four corners. A base plate is disposed at the top of the first substrate, and multiple plugs are disposed at the top of the base plate. The lower limit component includes a second substrate, with insertion holes for cooperating with the plugs. A product limiting plate is mounted on the second substrate, with multiple product limiting grooves evenly spaced on the product limiting plate. Positioning posts for positioning the upper limit plate are provided on the second substrate, and a fixing component for fixing the pressing component is mounted on the second substrate. Place the chips to be programmed one by one into the product limiting slot of the lower limiting component; align the alignment slots and holes of the lower limiting component with the alignment pins and plugs of the support component to complete the positioning and installation of the lower limiting component; place the upper limiting plate at the top of the lower limiting component through the second positioning hole and align it with the second positioning pin of the lower limiting component, and limit it by the second limiting block; place the pressing component, align the fixing block clearance slot with the fixing component mounting seat, and fix it with the buckle; rotate the handle to drive the rotating plate, and use the eccentric structure to drive the pull rod to press down the pressure plate, and use the buffer component to achieve flexible pressing of the chip; connect the plug of the support component with the chip to complete precise programming, and the chip can be removed by reversing the operation after programming.

[0008] Preferably, two parallel support plates are installed at the bottom of the first substrate, and a plurality of first positioning pins that cooperate with the second substrate are provided at the top of the first substrate, and the plug and the product limiting groove correspond to each other.

[0009] Preferably, the second substrate has an alignment groove on one side, and the first substrate has an alignment pin at its top that mates with the alignment groove.

[0010] Preferably, the second substrate is provided with a plurality of second positioning pins on the outside of the insertion hole, and the bottom end of the upper positioning plate is provided with a second positioning hole that cooperates with the second positioning pins.

[0011] Preferably, a second limiting block for limiting the upper limit plate is installed at the top of the second substrate, and a handle is installed at the top of the second substrate.

[0012] Preferably, the fixing component includes a compression spring, a buckle, and a mounting base. The buckle is mounted on the mounting base via a pin, and a compression spring that acts on the buckle is installed between the buckle and the mounting base.

[0013] Preferably, the pressing assembly includes a third base plate and a pressure plate, the third base plate and the pressure plate are connected by a buffer assembly, and the two ends of the pressure plate are equipped with fixing blocks that cooperate with the snap fasteners. The fixing blocks are provided with clearance grooves that cooperate with the mounting base.

[0014] Preferably, the third base plate is equipped with multiple buffer clamping components, and two pull rods are installed between the third base plate and the pressure plate. A rotating plate is rotatably mounted on the top of the pull rod via a pin. The rotating plate is an eccentric circle at one end of the pull rod, and a handle is installed between the two rotating plates.

[0015] Preferably, the buffer assembly includes a guide rod and a buffer spring, the buffer spring being sleeved on the guide rod, and the two ends of the buffer spring abutting against the third base plate and the pressure plate, respectively.

[0016] Compared with the prior art, the beneficial effects of the present invention are: multi-level positioning guarantee: through the cooperation of the limiting block and positioning pin of the supporting component with the alignment groove and insertion hole of the lower limiting component, and the cooperation of the positioning post and second positioning pin of the lower limiting component with the positioning hole of the upper limiting plate, the precise assembly between components is achieved.

[0017] Precise chip positioning: The equidistant design of the product's positioning slots and the corresponding layout of the plugs ensure that the chip placement position is precisely aligned with the programming interface, avoiding horizontal offset.

[0018] Flexible pressure protection: The dual buffer design of the buffer component and the buffer clamping component can prevent excessive pressure from damaging the chip when clamping it, while ensuring clamping stability.

[0019] Easy to operate: The handle facilitates the placement and removal of the lower limit component, and the cooperation between the fixing component and the handle enables the quick fixing and pressing operation of the lower component, improving production efficiency. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 is a structural schematic diagram of the invention; Figure 2 is a structural schematic diagram of the support component of the invention; Figure 3 is a structural schematic diagram of the lower limit component of the invention; Figure 4 is a side view of the lower limit component of the invention; Figure 5 is a cross-sectional view of the lower limit component of the invention; Figure 6 is a structural schematic diagram of the pressing component of the invention; Figure 7 is a side view of the pressing component of the invention; Figure 8 is a cross-sectional view of the pressing component of the invention.

[0021] In the diagram: 1. Support assembly; 2. Lower limit assembly; 3. Upper limit plate; 4. Pressing assembly; 101. Support plate; 102. Alignment pin; 103. First base plate; 104. First positioning pin; 105. First limiting block; 106. Base plate; 107. Plug; 201. Second base plate; 202. Alignment groove; 203. Insertion hole; 204. Second positioning pin; 205. Positioning post; 206. Product limiting groove; 207. Product limiting plate; 208. Second limiting block; 209. Fixing assembly; 210. Handle; 2091. Compression spring; 2092. Buckle; 2093. Mounting base; 401. Third base plate; 402. Buffer pressing assembly; 403. Pressure plate; 404. Fixing block; 405. Rotating plate; 406. Grip; 407. Clearance groove; 408. Buffer assembly. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0023] Please refer to Figures 1-8. In this embodiment of the invention, a precision positioning fixture for programming to prevent chip misalignment includes a support component 1, a lower limit component 2, an upper limit plate 3, and a pressing component 4. The lower limit component 2 is disposed above the support component 1, the upper limit plate 3 is disposed above the lower limit component 2, and the pressing component 4 is disposed above the upper limit plate 3. The support component 1 includes a first substrate 103. First limiting blocks 105 for positioning the lower limit component 2 are disposed at the four corners of the first substrate 103. A base plate 106 is disposed at the top of the first substrate 103. A plurality of plugs 107 are disposed at the top of the base plate 106, which are adapted to the chip programming interface. The plugs are paired with the subsequent product limiting slots. The process involves: providing a precise alignment for chip programming; placing the chips to be programmed one by one into the product positioning slots of the lower limit component; aligning the alignment slots and holes of the lower limit component with the alignment pins and plugs of the support component to complete the positioning and installation of the lower limit component; placing the upper limit plate at the top of the lower limit component through the second positioning hole and engaging with the second positioning pin of the lower limit component, and limiting it by the second limit block; placing the pressing component, aligning the clearance slot of the fixing block with the mounting base of the fixing component, and securing it with a snap-fit; rotating the handle to drive the rotating plate, using the eccentric structure to drive the pull rod to press down the pressure plate, and using the buffer component to achieve flexible pressing of the chip; and finally, connecting the plug of the support component with the chip to complete precise programming. After programming, the chip can be removed by reversing the operation.

[0024] The lower limiting component 2 includes a second substrate 201, which has a socket 203 that mates with the plug 107. A product limiting plate 207 is mounted on the second substrate 201. The product limiting plate 207 has multiple product limiting slots 206 at equal intervals. The second substrate 201 is provided with a positioning post 205 for positioning the upper limiting plate 3. The second substrate 201 is also provided with a fixing component 209 for fixing the pressing component 4. An alignment slot is provided on one side of the second substrate, which mates with the alignment pin of the support component. A positioning post and a second limiting block are provided at the top to realize the positioning and limiting of the upper limiting plate, respectively. Multiple second positioning pins are provided on the outside of the socket, which are adapted to the second positioning holes of the upper limiting plate. The product limiting plate is mounted, and multiple product limiting slots are provided at equal intervals on the plate for placing the chip to be programmed.

[0025] Two parallel support plates 101 are mounted on the bottom of the first substrate 103. A plurality of first positioning pins 104 that cooperate with the second substrate 201 are provided on the top of the first substrate 103. The plug 107 corresponds to the product limiting groove 206. An alignment groove 202 is provided on one side of the second substrate 201. An alignment pin 102 that cooperates with the alignment groove 202 is provided on the top of the first substrate 103.

[0026] The second substrate 201 is provided with a plurality of second positioning pins 204 on the outside of the insertion hole 203, and the bottom end of the upper limit plate 3 is provided with a second positioning hole that cooperates with the second positioning pins 204; the top end of the second substrate 201 is provided with a second limiting block 208 for limiting the upper limit plate 3, and the top end of the second substrate 201 is provided with a handle 210.

[0027] The fixing component 209 includes a compression spring 2091, a buckle 2092, and a mounting base 2093. The buckle 2092 is mounted on the mounting base 2093 via a pin. A compression spring 2091 is installed between the buckle 2092 and the mounting base 2093 to act on the buckle 2092. Through the cooperation of the buckle and the pressing component, the pressing component can be quickly fixed and disassembled.

[0028] The pressing assembly 4 includes a third base plate 401 and a pressure plate 403. The third base plate 401 and the pressure plate 403 are connected by a buffer assembly 408. The buffer assembly 408 includes a guide rod and a buffer spring. The buffer spring product limiting groove 206 is spring-loaded on the guide rod. The two ends of the buffer spring abut against the third base plate 401 and the pressure plate 403 respectively. The two ends of the pressure plate 403 are equipped with fixing blocks 404 that cooperate with the buckle 2092. The fixing blocks 404 have clearance grooves 407 that cooperate with the mounting base 2093.

[0029] The third base plate 401 is equipped with multiple buffer pressing components 402. Two pull rods are installed between the third base plate 401 and the pressure plate 403. A rotating plate 405 is rotatably mounted on the top of the pull rod via a pin. The rotating plate 405 is an eccentric circle at one end of the pull rod. A handle 406 is installed between the two rotating plates 405. The third base plate is equipped with multiple buffer pressing components and has two pull rods between it and the pressure plate. The rotating plate is mounted on the top of the pull rod via a pin. The handle is connected between the two rotating plates. Rotating the handle can drive the pressure plate to press down.

[0030] The working principle of this invention is as follows: Chips to be programmed are placed one by one into the product limiting slot of the lower limiting component; the alignment slots and insertion holes of the lower limiting component mate with the alignment pins and plugs of the supporting component, respectively, to complete the positioning and installation of the lower limiting component; the upper limiting plate is placed at the top of the lower limiting component through the second positioning hole and mates with the second positioning pin of the lower limiting component, and is limited by the second limiting block; the pressing component is placed so that the clearance slot of the fixing block aligns with the mounting base of the fixing component, and is fixed by a snap-fit; the handle is rotated to drive the rotating plate, and the eccentric structure drives the pull rod to press down the pressure plate, achieving flexible pressing of the chip through the buffer component; the plug of the supporting component connects with the chip to complete precise programming, and the chip can be removed by reversing the operation after programming.

[0031] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A precision positioning fixture for programming chips to prevent chip misalignment, characterized in that: The system includes a support assembly (1), a lower limit assembly (2), an upper limit plate (3), and a pressing assembly (4). The lower limit assembly (2) is disposed above the support assembly (1), the upper limit plate (3) is disposed above the lower limit assembly (2), and the pressing assembly (4) is disposed above the upper limit plate (3). The support assembly (1) includes a first substrate (103). The four corners of the first substrate (103) are provided with first limiting blocks (105) for positioning the lower limit assembly (2). The top of the first substrate (103) is provided with a bottom plate (106). 6) The top is provided with multiple plugs (107); the lower limit component (2) includes a second base plate (201), the second base plate (201) is provided with a socket (203) that mates with the plug (107), the second base plate (201) is provided with a product limit plate (207), the product limit plate (207) is provided with multiple product limit grooves (206) at equal intervals, the second base plate (201) is provided with a positioning post (205) for positioning the upper limit plate (3), and the second base plate (201) is provided with a fixing component (209) for fixing the lower pressure component (4).

2. The precision positioning fixture for programming to prevent chip misalignment according to claim 1, characterized in that: The bottom of the first substrate (103) is equipped with two parallel support plates (101), and the top of the first substrate (103) is provided with a plurality of first positioning pins (104) that cooperate with the second substrate (201). The plug (107) corresponds to the product limiting groove (206).

3. A precision positioning fixture for programming to prevent chip misalignment according to claim 1 or 2, characterized in that: The second substrate (201) has an alignment groove (202) on one side, and the first substrate (103) has an alignment pin (102) at the top that cooperates with the alignment groove (202).

4. The precision positioning fixture for programming to prevent chip misalignment according to claim 1, characterized in that: The second substrate (201) is provided with a plurality of second positioning pins (204) on the outside of the insertion hole (203), and the bottom end of the upper positioning plate (3) is provided with a second positioning hole that cooperates with the second positioning pins (204).

5. A precision positioning fixture for programming to prevent chip misalignment according to claim 1, characterized in that: The second substrate (201) has a second limiting block (208) installed at the top to limit the upper limit plate (3), and a handle (210) is installed at the top of the second substrate (201).

6. A precision positioning fixture for programming to prevent chip misalignment according to claim 1, characterized in that: The fixing component (209) includes a compression spring (2091), a buckle (2092) and a mounting base (2093). The buckle (2092) is mounted on the mounting base (2093) by a pin. A compression spring (2091) is installed between the buckle (2092) and the mounting base (2093) to act on the buckle (2092).

7. A precision positioning fixture for programming to prevent chip misalignment according to claim 6, characterized in that: The pressing assembly (4) includes a third base plate (401) and a pressure plate (403). The third base plate (401) and the pressure plate (403) are connected by a buffer assembly (408). The two ends of the pressure plate (403) are equipped with fixing blocks (404) that cooperate with the buckle (2092). The fixing blocks (404) have clearance grooves (407) that cooperate with the mounting base (2093).

8. A precision positioning fixture for programming to prevent chip misalignment according to claim 7, characterized in that: The third base plate (401) is equipped with a plurality of buffer clamping components (402). Two pull rods are installed between the third base plate (401) and the pressure plate (403). A rotating plate (405) is rotatably installed at the top of the pull rod via a pin. The rotating plate (405) is an eccentric circle at one end of the pull rod. A handle (406) is installed between the two rotating plates (405).

9. A precision positioning fixture for programming to prevent chip misalignment according to claim 1, characterized in that: The buffer assembly (408) includes a guide rod and a buffer spring. The buffer spring is sleeved on the guide rod, and the two ends of the buffer spring abut against the third base plate (401) and the pressure plate (403) respectively.

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