Riveting and positioning tool for precise metal plate assembly of semiconductor equipment

Abstract

The utility model relates to the technical field of riveting, and discloses a semiconductor equipment precision sheet metal assembly riveting positioning tool which comprises a bottom plate, at least two sets of positioning mechanisms used for fixing sheet metal workpieces are arranged on the bottom plate, each positioning mechanism comprises a supporting block installed on the bottom plate, a pin rod is arranged at the top of each supporting block, and the pin rod is arranged on the bottom plate. The pin rod can penetrate through a mounting hole in the sheet metal workpiece; each positioning mechanism is responsible for positioning the independent part of the sheet metal workpiece, the sheet metal workpiece is supported in a shape following mode through a protruding supporting block on the bottom plate, a pin rod on the top of the supporting block penetrates through a mounting hole of the sheet metal workpiece, and then the workpiece is positioned and fixed. Through the structure, the dimensional tolerance requirement of a product after riveting can be ensured, and the problems of mistakes, omission and reversion are completely avoided; and the phenomenon of distortion of the riveted product can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting, in particular to a riveting positioning tool for a precision sheet metal component of a semiconductor device. Background Art

[0002] Medical testing and analysis equipment refers to equipment used for medical testing and analysis. Common ones include biochemical analyzers, immunoassay analyzers, blood analyzers, urine analyzers, microbiological analyzers, and molecular biology analyzers, etc. These devices can help doctors diagnose diseases quickly and accurately and improve medical standards.

[0003] The above-mentioned equipment are all semiconductor equipment, some of which are connected by riveting after the sheet metal components are formed, such as the outer shell of the equipment; such workpieces are composed of at least two parts (such as Figure 7 As shown), in order to facilitate assembly with other components, each section of the workpiece has a vertically turned-out mounting plate, and corresponding mounting holes are opened on the mounting plate.

[0004] Riveting operation is a common sheet metal connection process, which is suitable for various types of sheet metal parts. In the prior art, two parts are usually aligned by manual positioning, and then riveted to fix them. However, this operation will result in low precision of the produced products and fail to meet the dimensional tolerance requirements. There will also be problems such as parts being misplaced, missing or reversed, and parts being twisted after riveting. Therefore, it is urgent to design a positioning tool for riveting sheet metal workpieces to avoid the above problems. Utility Model Content

[0005] The problem to be solved by the utility model is to provide a riveting positioning tool for precision sheet metal components of semiconductor equipment, which utilizes a support block raised on a bottom plate to conformally support the sheet metal workpiece, and then passes a pin rod on the top of the support block through the mounting hole of the sheet metal workpiece to achieve positioning and fixation; ensure the smooth progress of subsequent riveting work and improve the accuracy of the product.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A riveting positioning tool for a precision sheet metal component of a semiconductor device comprises a base plate, on which at least two groups of positioning mechanisms for fixing the sheet metal workpiece are arranged, the positioning mechanism comprises a support block mounted on the base plate, a pin rod is arranged on the top of the support block, and the pin rod can pass through a mounting hole on the sheet metal workpiece.

[0008] In a preferred embodiment of the utility model, a positioning portion is provided at the bottom of the support block, a slot corresponding to the positioning portion is provided on the bottom plate, and a fastener is provided on one side of the slot;

[0009] The positioning portion can be inserted into the slot, and one end of the fastener can be screwed into the support block.

[0010] In a preferred embodiment of the utility model, a blind hole is formed at the bottom of the support block, a countersunk hole is formed at one side of the slotted hole, and one end of the fastener passes through the countersunk hole from bottom to top and is screwed into the blind hole.

[0011] In a preferred embodiment of the utility model, a pin hole is opened inside the support block, the pin hole passes through the support block, and one end of the pin rod is fixedly embedded in the pin hole, and the other end protrudes from the top end of the support block.

[0012] In a preferred embodiment of the present invention, the support block and the positioning portion are formed in an integral structure, and the pin hole is located between the positioning portion and the blind hole.

[0013] In a preferred embodiment of the utility model, a T-slot is provided on the top of the support block, one end of the pin rod is slidably embedded in the T-slot, and the other end protrudes from the top of the support block, and a positioning ring is screwed on the pin rod, and the bottom end of the positioning ring is in contact with the support block.

[0014] In a preferred embodiment of the present invention, the positioning mechanism is provided with two groups, each group of the positioning mechanism is provided with two supporting blocks, and one supporting block of one group of the positioning mechanism is higher than the other supporting block.

[0015] In a preferred embodiment of the utility model, a handle is further provided on the bottom plate, the middle portion of the handle is concave, both ends of the handle are fixedly connected to the bottom plate, and the handle is located between the two groups of positioning mechanisms. Beneficial Effects

[0016] (1) In the utility model, each positioning mechanism is responsible for positioning an independent part of a sheet metal workpiece. The support block protruding from the bottom plate is used to realize conformal support for the sheet metal workpiece. The pin rod on the top of the support block passes through the mounting hole of the sheet metal workpiece to realize positioning and fixing of the workpiece. This structure can ensure the dimensional tolerance requirements of the product after riveting, completely avoid the problem of missing or reversed parts, and prevent the product from being twisted after riveting.

[0017] (2) In the present invention, the support block is positioned on the base plate by plugging the positioning portion into the slot, and then connected to the base plate by fasteners. This not only has a simple structure, but can also be quickly disassembled, making it convenient to replace support blocks of different specifications, thereby increasing the scope of application of the device.

[0018] (3) In the present invention, the pin rod can slide along the T-slot and be fixed on the support block by screwing the positioning ring, thereby achieving horizontal fine adjustment of the pin rod in a certain direction to meet the needs of sheet metal workpieces of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the connection between the support block and the base plate of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the support block of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the T-slot and the pin rod of the utility model;

[0024] Figure 6 It is a schematic diagram of the structure of fixing a sheet metal workpiece according to the utility model;

[0025] Figure 7 It is a schematic diagram of the structure of a sheet metal workpiece;

[0026] Among them, 1. base plate; 2. support block; 21. positioning part; 22. pin hole; 23. blind hole; 24. T-slot; 25. positioning ring; 3. pin rod; 4. handle; 5. slot hole; 6. fastener. DETAILED DESCRIPTION

[0027] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention. Embodiment 1

[0028] like Figure 1-2 , Figure 6 As shown, a riveting positioning tool for precision sheet metal components of semiconductor equipment includes a base plate 1, on which at least two groups of positioning mechanisms for fixing sheet metal workpieces are arranged, and the positioning mechanism includes a support block 2 installed on the base plate 1, and a pin rod 3 is arranged on the top of the support block 2, and the pin rod 3 can pass through the mounting hole on the sheet metal workpiece.

[0029] Each positioning mechanism is responsible for positioning an independent part of the sheet metal workpiece, and uses the raised support block 2 on the bottom plate 1 to achieve conformal support for the sheet metal workpiece, and then the pin rod 3 on the top of the support block 2 passes through the mounting hole of the sheet metal workpiece from bottom to top, thereby achieving positioning and fixing of the workpiece; this structure can ensure the dimensional tolerance requirements of the product after riveting, completely avoid the problem of error, omission and reverse; and prevent the product from being twisted after riveting.

[0030] Specifically, the number of positioning mechanisms corresponds to the number of independent parts that make up the sheet metal workpiece, and the position of its support block 2 corresponds to the position of the vertically turned-out mounting plate on the sheet metal workpiece to ensure that the support block 2 can provide stable support to it. The number of support blocks 2 can be set as needed, and their height corresponds to the height of the corresponding mounting plate.

[0031] The function of this positioning tool is to splice independent sheet metal parts together, with the support block 2 providing conformal support to limit its longitudinal freedom, and the pin rod 3 on the top of the support block 2 to limit the horizontal freedom of the sheet metal parts, thereby completing their splicing, facilitating the subsequent riveting process and improving the product qualification rate.

[0032] like Figure 7 The sheet metal workpiece shown is composed of two independent parts, each of which has two mounting holes on the outside, and the mounting holes of one part of the parts are at different heights; based on this, two groups of positioning mechanisms are provided, each group of positioning mechanisms has two support blocks 2, and one of the support blocks 2 of one group of positioning mechanisms is higher than the other support block 2.

[0033] The structure can be used to support and position the sheet metal workpiece, and limited by the position of the support block 2, the sheet metal parts will not be installed upside down during assembly, thereby completely avoiding the problem of mis-installation and mis-installation.

[0034] like Figure 1-4 As shown, a positioning portion 21 is provided at the bottom of the support block 2, a slot hole 5 corresponding to the positioning portion 21 is opened on the base plate 1, and a fastener 6 is passed through one side of the slot hole 5; the positioning portion 21 can be inserted into the slot hole 5, and one end of the fastener 6 can be screwed into the support block 2.

[0035] As mentioned above, the support block 2 and the positioning portion 21 are formed as an integral structure and present an L-shaped structure, that is, the positioning portion 21 is only fixedly connected to a portion of the bottom of the support block 2, and the other portion is used for screwing the fastener 6; the fastener 6 preferably adopts a screw, and when the positioning portion 21 of the support block 2 is inserted into the slot 5, the threaded end of the fastener 6 can pass through the base plate 1 from bottom to top and be screwed to the inside of the support block 2.

[0036] The support block 2 is positioned on the base plate 1 by plugging the positioning portion 21 into the slot 5, and then connected to the base plate 1 by the fastener 6. It not only has a simple structure, but can also be quickly disassembled, making it convenient to replace support blocks 2 of different specifications, thereby improving the applicability of the device.

[0037] Among them, a blind hole 23 is opened at the bottom of the support block 2, a countersunk hole is opened on one side of the slotted hole 5, and one end of the fastener 6 passes through the countersunk hole from bottom to top and is screwed into the blind hole 23. An internal thread that can be screwed with the fastener 6 is provided in the blind hole 23, and the countersunk hole is used to receive the other end of the fastener 6 to ensure that the bottom of the base plate 1 is flat.

[0038] Furthermore, a pin hole 22 is provided inside the support block 2, and the pin hole 22 passes through the support block 2, and one end of the pin rod 3 is fixedly embedded in the pin hole 22, and the other end protrudes from the top of the support block 2. The pin hole 22 is located between the positioning portion 21 and the blind hole 23, that is, the pin hole 22 is located in the middle position of the top of the support block 2, so that the sheet metal workpiece can be conveniently positioned.

[0039] Here, the head diameter of the pin rod 3 is larger than the root diameter, and its root diameter corresponds to the inner diameter of the pin hole 22, which ensures that the pin rod 3 can be stably embedded in the pin hole 22, and can ensure that it has sufficient length to protrude from the top surface of the support block 2, and also facilitates the quick replacement of the pin rod 3.

[0040] In addition, a handle 4 is provided on the bottom plate 1. The middle of the handle 4 is concave, and both ends are fixedly connected to the bottom plate 1. The handle 4 is located between the two sets of positioning mechanisms. Both ends of the handle 4 are also fixed to the bottom plate 1 by screws from bottom to top. By holding the middle of the handle 4, the user can conveniently carry the tool. Embodiment 2

[0041] On the basis of embodiment 1, the utility model also discloses another installation method of the pin rod 3, that is, a T-slot 24 is opened on the top of the support block 2, one end of the pin rod 3 is slidably embedded in the T-slot 24, and the other end protrudes from the top of the support block 2, and a positioning ring 25 is screwed on the pin rod 3, and the bottom end of the positioning ring 25 is in contact with the support block 2.

[0042] The pin 3 is provided with a thread on the outside, and the positioning ring 25 can use a nut that matches it, and the two ends of the T-slot 24 pass through the top surface of the support block 2, and its direction can be parallel to the length direction of the workpiece or the width direction of the workpiece; the lower part of the pin 3 is a structure that cooperates with the T-slot 24, and its lower part can slide into the T-slot 24 from one end of the T-slot 24, or be inserted into the slot from any position of the T-slot 24, and then rotate 90 degrees around the axis direction of the pin 3 to complete the assembly, and finally screw in the positioning ring 25. Under the threaded connection, the positioning ring 25 can convert the rotational motion into a linear motion along the axis of the pin 3, and the pin 3 is firmly fixed at a certain point in the T-slot 24 through the pressure generated by the screwing connection between the positioning ring 25 and the pin 3.

[0043] As described above, the pin rod 3 can slide along the T-slot 24 and be fixed on the support block 2 by screwing the positioning ring 25, thereby achieving horizontal fine adjustment of the pin rod 3 in a certain direction to meet the use of sheet metal workpieces of different specifications.

[0044] Working principle:

[0045] like Figure 6 As shown, the two parts to be riveted are prepared, and then the corresponding parts are placed on the corresponding positioning mechanism, and are lowered and fixed using the support block 2 and the pin rod 3. At the same time, the assembly and splicing of the sheet metal workpieces are also completed, and then four rivets are used to rivet the two parts together from the front side as shown in the figure.

[0046] In summary, the tooling can realize the assembly and splicing of different parts of sheet metal workpieces and provide accurate references for them, thereby ensuring the dimensional tolerance requirements of the product after riveting, completely avoiding the problems of errors, omissions and reversals, and preventing the product from being twisted after riveting.

[0047] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A riveting and positioning tool for precision sheet metal components of semiconductor equipment, characterized in that: The invention comprises a base plate (1), on which are arranged at least two groups of positioning mechanisms for fixing a sheet metal workpiece, the positioning mechanisms comprising a support block (2) mounted on the base plate (1), a pin rod (3) being arranged on the top of the support block (2), and the pin rod (3) being capable of passing through a mounting hole on the sheet metal workpiece.

2. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to claim 1, characterized in that: A positioning portion (21) is provided at the bottom of the support block (2), a slot hole (5) corresponding to the positioning portion (21) is provided on the bottom plate (1), and a fastener (6) is provided through one side of the slot hole (5); The positioning portion (21) can be inserted into the slotted hole (5), and one end of the fastener (6) can be screwed into the support block (2).

3. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to claim 2, characterized in that: A blind hole (23) is provided at the bottom of the support block (2), a countersunk hole is provided on one side of the slotted hole (5), and one end of the fastener (6) passes through the countersunk hole from bottom to top and is screwed into the blind hole (23).

4. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to claim 3, characterized in that: A pin hole (22) is provided inside the support block (2), the pin hole (22) passes through the support block (2), and one end of the pin rod (3) is fixedly embedded in the pin hole (22), while the other end protrudes from the top end of the support block (2).

5. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to claim 4, characterized in that: The support block (2) and the positioning portion (21) are formed in an integrally formed structure, and the pin hole (22) is located between the positioning portion (21) and the blind hole (23).

6. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to claim 3, characterized in that: A T-shaped slot (24) is provided on the top of the support block (2), one end of the pin rod (3) is slidably embedded in the T-shaped slot (24), and the other end protrudes from the top of the support block (2), and a positioning ring (25) is screwed on the pin rod (3), and the bottom end of the positioning ring (25) is in contact with the support block (2).

7. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to any one of claims 1 to 6, characterized in that: The positioning mechanisms are provided in two groups, each group of the positioning mechanisms is provided with two support blocks (2), and one of the support blocks (2) in one group of the positioning mechanisms is higher than the other support block (2).

8. The semiconductor equipment precision sheet metal assembly riveting and positioning tool according to claim 7, characterized in that: A handle (4) is also provided on the bottom plate (1), the middle portion of the handle (4) is concave, both ends are fixedly connected to the bottom plate (1), and the handle (4) is located between the two groups of positioning mechanisms.

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