CN214053995U - Assembled clamping and positioning device for gold and tin removing of components - Google Patents

Abstract

The utility model discloses an assembled clamping positioner that is used for components and parts to remove gold and bores tin, include: the positioning module is detachably and movably arranged on a base; the positioning module comprises a first positioning block and a second positioning block, and the component is arranged between the first positioning block and the second positioning block to realize the supporting and positioning of the left side and the right side of the component; the limiting module comprises a first limiting piece and a second limiting piece, and the first limiting piece and the second limiting piece are used for limiting the displacement of the front side and the rear side of the component; a clamping module; the positioning module is movably arranged on the base relative to the positioning module, so that the limiting and fixing of the component in the vertical direction are realized; the supporting accessories are arranged on the front side and the rear side of the base 1 to realize the support of the front side and/or the rear side of the component; the utility model discloses a with orientation module and base respectively with spacing module, clamping module, support one or more in the annex three assemble, the clamping that is applicable to different types of components and parts under different operation scenes is fixed, application scope is wider, and the components and parts clamping is stable.

Description

Assembled clamping and positioning device for gold and tin removing of components

Technical Field

The utility model belongs to the technical field of the clamping positioner, concretely relates to assembled clamping positioner that is used for components and parts to remove gold and bores tin.

Background

In aerospace electronic products, a large number of components with high integration level are applied, pins of the components are usually protected in a gold plating mode for preventing oxidation, but when the gold-plated pins are directly welded, Au-Sn compounds formed in a welding area are easy to have brittle fracture failure faults in later use, so that the phenomenon is commonly called as 'gold brittleness', and the aerospace electronic products require to ensure high performance, high quality, high reliability and long service life, so the components with the gold-plated pins need to be processed to eliminate the 'gold brittleness'; the conventional method is to remove gold and tin to remove a gold plating layer, a tin pot and an electric soldering iron are matched with a handheld device and manually matched with the handheld device, and the method is not suitable for high-integration components, the high-integration components are small in size, many in pins, very fine in pin size and difficult to clamp, and the pins are easily deformed, tin-plated adhesion, damage and other injuries when the components are unstably clamped. Aerospace electronic products have very high requirements on the assembly welding process in order to meet the requirements of targets or final products. Even mass-produced products, which exhibit high reliability, high efficiency, low rejection rate, and high stability and longevity in use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem who proposes among the background art, provide an assembled clamping positioner that is used for components and parts to remove gold and bores tin.

The technical scheme of the utility model is that:

the utility model provides an assembled clamping positioner that is used for components and parts to remove gold to ward off tin, includes: the positioning module is detachably and movably arranged on a base; the positioning module comprises a first positioning block and a second positioning block; the component is arranged between the first positioning block and the second positioning block, so that the left side and the right side of the component are supported and positioned;

the limiting module comprises a first limiting piece and a second limiting piece, and the first limiting piece and the second limiting piece are used for limiting the displacement of the front side and the rear side of the component and preventing the component from being separated from the space between the first positioning block and the second positioning block;

a clamping module; the clamping module can move along the direction perpendicular to the component to abut against the positioning module, clamps the component and realizes limiting and fixing of the component in the perpendicular direction;

the supporting accessories are arranged on the front side and the rear side of the base to realize the support of the front side and/or the rear side of the component;

the limiting module and/or the clamping module and/or the supporting accessory are detachably assembled with the positioning module and the base to form different clamping and positioning combination forms, so that clamping and positioning of components of different types are realized.

Further preferably, the upper surfaces of the first positioning block and the second positioning block are coplanar.

Preferably, the base is provided with a sliding part, the sliding part is provided with a convex part, the base is provided with a slideway corresponding to the convex part, and the convex part extends into the slideway and can slide along the slideway; the second positioning block is arranged on the sliding part and is driven by the sliding part to move towards the first positioning block.

Further preferably, a connecting piece is arranged on the base, the connecting piece spans the slide way and is connected with the base, and the connecting piece is used for adjusting the transverse distance of the slide way.

Further preferably, the sliding part is further provided with a first locking piece, the first locking piece penetrates through the slide way to be in threaded connection with the first locking piece, and the sliding part is locked by rotating the first locking piece.

Further preferably, the clamping module comprises a connecting seat and a pressing block; the connecting seat is connected with the base, one end of the pressing block is hinged with the connecting seat, and the other end of the pressing block can turn relative to the connecting seat; the pressing block is turned over to the positioning module and presses the pins of the components on the positioning module.

Preferably, the surface of the pressing block, which is in contact with the component, is an arc surface.

Further preferably, the clamping module further comprises a second locking member, the second locking member penetrates through the pressing block and the connecting seat in threaded connection, the second locking member is rotated to lock the pressing block, and the pressing block cannot be turned over.

Further preferably, the pressing block is hinged to the connecting seat through a pin shaft.

Preferably, the limiting module further includes two mounting grooves, the two mounting grooves extend along the left and right directions of the component and are disposed on the front and rear sides of the base, and when the component is not mounted, the first limiting member and the second limiting member are respectively disposed in the two mounting grooves.

Further preferably, the limiting module further comprises a third locking member, one end of the third locking member penetrates through the side wall of the mounting groove and is in threaded connection with the mounting groove, the third locking member is rotated, the third locking member pushes the first limiting member and/or the second limiting member module to be pressed against the side wall of the mounting groove, and at the moment, the first limiting member and/or the second limiting member cannot move relative to the mounting groove.

Preferably, the supporting accessory is a supporting plate, the supporting plate is detachably mounted on the front side and the rear side of the base, and the pins on the front side and/or the rear side of the component are arranged on the supporting plate to support the front side and/or the rear side of the component.

The utility model provides an assembled clamping positioner that is used for components and parts to remove gold and bores tin makes it compare with prior art and has following advantage and positive effect:

the utility model is firstly provided with a detachable positioning module, a limiting module, a clamping module and a supporting accessory; through assembling orientation module and base respectively with spacing module, clamping module, one or more among the support annex three, the clamping that is applicable to the components and parts of the high integration of different types is fixed, makes its application scope wider for components and parts are getting stable spacing fixed removing gold and are warding off tin in-process, avoid the pin appear warp, ward off damage such as tin adhesion, damage, guarantee the reliability of components and parts course of working quality.

Drawings

The above and other features and advantages of the present invention will be more clearly understood from the following detailed description set forth in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the positioning module and the base assembly of the present embodiment;

FIG. 2 is an exploded view of the clamping fixture of FIG. 1;

FIG. 3 is an assembly diagram of the positioning module, the base and the clamping module in the present embodiment;

FIG. 4 is an assembly view of the positioning module, the base, the clamping module and the supporting accessory of the present embodiment;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an assembly diagram of the positioning module, the base, the clamping module, and the limiting module in this embodiment;

FIG. 7 is a schematic diagram of the clamping of the SMD package device in the present embodiment;

FIG. 8 is an enlarged partial view of the first and second locating blocks with 90 stepped jaws.

Description of the symbols:

1-a base; 101-a slide; 102-a slide; 2-a positioning module; 201-a first positioning block; 202-a second locating block; 203-a convex part; 3-a first locking member; 4-a connector; 5-a clamping module; 501-a connecting seat; 502-briquetting; 503-a pin shaft; 6-a second locking member; 7-a limiting module, 701-a first limiting member; 702 — a second stop; 703-mounting grooves; 704-a third locking member; 8-a support accessory; 9-pin.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

Referring to fig. 1-8, the present embodiment provides an assembled clamping and positioning device for gold and tin plating removal of components, including:

the positioning module is detachably and movably arranged on a base 1; the positioning module 2 comprises a first positioning block 201 and a second positioning block 202; the component is arranged between the first positioning block 201 and the second positioning block 202, so that the left side and the right side of the component are supported and positioned;

the limiting module 7 comprises a first limiting member 701 and a second limiting member 702, wherein the first limiting member 701 and the second limiting member 702 are used for limiting the displacement of the front side and the rear side of the component and preventing the component from being separated from the space between the first positioning block 201 and the second positioning block 202;

a clamping module 5; the clamping module 5 can move along the direction vertical to the component to abut against the positioning module 2, clamps the component and realizes the limiting and fixing of the component in the vertical direction;

the supporting accessories 8 are arranged on the front side and the rear side of the base 1 and used for supporting the front side and/or the rear side of the component;

the limiting module 7 and/or the clamping module 5 and/or the supporting accessory 8 are detachably assembled with the positioning module 2 and the base 1 to form different clamping and positioning device combination forms, so that clamping and positioning of components of different types are realized.

The utility model discloses a assemble orientation module and base respectively with one or more among spacing module, the clamping module, the support annex three, the clamping that is applicable to different types of components and parts under different processing occasions is fixed, and application scope is wider for components and parts obtain stable spacing fixed removing gold and boring tin in-process, avoid the pin to appear warping, boring damages such as tin adhesion.

Wherein, the front and back sides of the component are the two sides adjacent to the left and right sides of the component.

In this embodiment, referring to fig. 1-4, the upper surfaces of the first positioning block 201 and the second positioning block 202 are coplanar, so that when supporting and positioning the component, the level of the component is ensured, and the phenomenon that the pin is deformed and damaged due to uneven component support in the gold and tin removing process is effectively prevented. In the embodiment, for example, a QFP or SOP type component is clamped, and the side of the component has an L-shaped pin 9, so that when the component is mounted, firstly, adjusting the distance between the first positioning block 201 and the second positioning block 202, estimating that the distance between the first positioning block 201 and the second positioning block 202 is equal to the size of the component, placing the component pin 9 on the upper surfaces of the first positioning block 201 and the second positioning block 202, then slowly adjusting the distance between the first positioning block 201 and the second positioning block 202, so that the bent part of the L-shaped pin 9 of the component just abuts against the end parts of the first positioning block 201 and the second positioning block 202, thereby avoiding the first positioning block 201 and the second positioning block 202 from contacting the chip part of the component, meanwhile, the pins 9 of the component are flatly supported on the upper surfaces of the first positioning block 201 and the second positioning block 202, so that the component is supported and positioned, and at the moment, the component cannot move towards the left side and the right side of the component. Of course, the utility model discloses still be applicable to numerous high integrated level's such as flat package devices such as LCC, SMD, double-row dress device components and parts, the detail of specific clamping location is different slightly according to the structure of components and parts pin.

In this embodiment, referring to fig. 1 and 2, a sliding member 101 is preferably disposed on a base 1, a protrusion 203 is disposed on the sliding member 101, a slide 102 corresponding to the protrusion 203 is disposed on the base 1, and the protrusion 203 extends into the slide 102 and can slide along the slide 102; the second positioning block 202 is disposed on the sliding member 101, and is driven by the sliding member 101 to move toward the first positioning block. Wherein, the convex part 203 extends into the slideway 102 to realize the limit of the slideway 102 to the sliding part 101 in the front and back directions. Of course, in other embodiments, the adjustment manner for moving the first positioning block and the second positioning block toward each other is not limited to the above or shown in the drawings.

Further, second locating piece 202 is detachably installed on slider 101, and first locating piece 201 can be dismantled, thereby can be according to the concrete structure of components and parts, change first locating piece and the second locating piece that has different jaw forms, thereby better laminating components and parts, realize more stable supporting location, for example, refer to fig. 7-8, fig. 7 is that first locating piece and second locating piece have 90 stepped jaws, can be used to centre gripping SMD packaged components and parts, and it is more stable to be similar to SMD packaged components and parts clamping.

Further preferably, in the embodiment, referring to fig. 2, the base 1 is provided with a connecting piece 4, the connecting piece 4 is connected with the base 1 across the slideway 102, and the connecting piece 4 is used for adjusting the transverse spacing of the slideway 102 and stabilizing the transverse spacing of the slideway 102, so as to avoid the base 1 on both sides of the slideway from deforming to cause the transverse spacing of the slideway to change, thereby ensuring that the convex part can stably move in the slideway.

In this embodiment, referring to fig. 1 and 2, the sliding member 101 is further provided with a first locking member 3, one end of the first locking member 3 passes through the slideway and is disposed in the slideway of the base 1 and is in threaded connection with the sliding member, and the other end is located outside the slideway and is clamped on the base and cannot extend into the slideway; a screw penetrates through the sliding part and is in threaded connection with the first locking part, after the distance between the second positioning block 202 and the first positioning block 201 is adjusted, the screw penetrating through the sliding part is rotated to tighten the first locking part 3, so that the distance between the sliding part and the first locking part is reduced until the sliding part and the first locking part are tightly clamped with the base, the sliding part 101 is locked at a proper position on the base 1, and the second positioning block 202 is fixed and can not move any more. Specifically, in this embodiment, the first locking member is a T-shaped nut, and certainly in other embodiments, the manner of locking and fixing the second positioning block is not limited to the above, and the specific structure of the first locking member is not limited to the nut structure, and can be adjusted accordingly according to the actual application scenario.

In the present embodiment, referring to fig. 1-7, the clamping module 5 includes a connecting seat 501 and a pressing block 502; the connecting seat 501 is connected with the base 1, one end of the pressing block 502 is hinged with the connecting seat 501, and the other end of the pressing block can turn over relative to the connecting seat 501; briquetting 502 upset is gone up and is lightly pressed the pin 9 that is located the components and parts on the orientation module 2, carries out the centre gripping to the pin spacing, avoids removing gold and bores tin in-process, and the pin of components and parts produces the aversion, further ensures the stability of removing the components and parts clamping of gold and boring tin process. Of course, in other embodiments, the specific structure of the clamping module is not limited to the above; further, in other embodiments, the connection mode of the pressing block and the connection seat is not limited to the above, for example, the pressing block may move vertically to the component along the direction perpendicular to the component to lightly clamp the pin to realize clamping.

Further preferably, in this embodiment, a surface of the pressing block 502 in contact with the component is an arc surface, and the arc surface can prevent the pin from being damaged when the pin is pressed.

Further preferably, in this embodiment, referring to fig. 3, the pressing block 502 is hinged to the connecting seat 501 through a pin 503, the pressing block is correspondingly provided with a pin hole, the connecting seat is correspondingly provided with a pin hole, and the pin passes through the pin holes of the pressing block and the connecting seat respectively, so that the pressing block is connected to the connecting seat and can be turned over relative to the connecting seat. Of course, in other embodiments, the connection manner of the pressing block and the connecting seat is not limited to the above, and for example, the pressing block and the connecting seat may be rotatably connected by other transmission mechanisms.

In this embodiment, referring to fig. 3, the clamping module 5 further includes a second locking member 6, the second locking member 6 passes through the pressing block 502 and is in threaded connection with the connecting seat 501, the pressing block 502 is locked on the connecting seat 501 by rotating the second locking member 6, and the pressing block 502 cannot be turned over. Specifically, in this embodiment, the second locking member is a screw structure.

In this embodiment, referring to fig. 6, the limiting module 7 further includes two mounting grooves 703, the two mounting grooves 703 extend along the left and right direction of the component and are disposed on the front and back sides of the base 1, when the component is not mounted, the first limiting member 701 and the second limiting member 702 can be respectively received and disposed in the two mounting grooves 703, so that the first limiting member 701 and the second limiting member 702 do not occupy the mounting position of the component; after a plurality of components are clamped between the first positioning block and the second positioning block, the components are not prevented from sliding out of the base 1, and then the first limiting part and the second limiting part are respectively moved to limit the displacement of the components on the front side and the rear side of the base 1, so that the components are prevented from moving to the front side and the rear side.

In this embodiment, referring to fig. 6, the limiting module 7 further includes a third locking member 704, one end of the third locking member 704 passes through the sidewall of the mounting groove 703 and is in threaded connection with the mounting groove 703, after the first limiting member and the second limiting member limit the component, the third locking member 704 is rotated, and the third locking member 704 pushes the corresponding first limiting member and the corresponding second limiting member to respectively press against the sidewall of the mounting groove 703, so that the first limiting member and the second limiting member cannot move relative to the mounting groove. Specifically, in this embodiment, the third locking member is a screw structure.

In this embodiment, referring to fig. 5, the supporting accessory 8 is a supporting plate, the supporting plate is detachably mounted on the front and rear side surfaces of the base 1, the upper surface of the supporting plate is coplanar with the first positioning block 201 and the upper surface of the second positioning block 202, and the pins on the front side and/or the rear side of the component are placed on the supporting plate, so as to support the front side and/or the rear side of the component, especially for a QFP type component, the pins are disposed on the four sides of the component, so that the supporting plate is required to support the pins, and the gold-removing and tin-coating operation on the pins is facilitated.

The positioning module and the base 1 are assembled with one or more of the limiting module 7, the clamping module 5 and the supporting accessory 8, and the applicable place of the clamping and positioning device formed by assembly and the clamping and positioning process of the component are illustrated.

Step 1: determining the type, the size and the number of devices to be processed in the embodiment, wherein gold and tin are to be removed;

step 2: it is determined to use the combination form of the present embodiment.

The first combination type, as the clamping positioner shown in figure 1, comprises base 1 and orientation module 2 combination, and it mainly is applicable to single or a small amount of biserial dress components and parts of single processing, only needs to support spacingly to components and parts both sides pin, and because the components and parts number of processing is less, all concentrate and be located base 1 middle part, need not to worry that there is components and parts landing in base 1 front and back side to it can to use simplest base 1 and orientation module combination.

The second combination type, as the clamping positioner that fig. 3 shows, adopt the combination of base 1, orientation module 2, clamping module 5, be applicable to the components and parts of the many pins of flat encapsulation such as biserial dress or QFP, SOP, LCC, SMD, the briquetting through clamping module compresses tightly a plurality of pins of components and parts gently, further guarantees the stability of components and parts to when going on gold to a plurality of pins and warding off tin, the pin centre gripping is stable, makes it better to go gold and warding off tin effect.

A third combination type, for example, the clamping and positioning device shown in fig. 4 and 5, adopts a combination of a base 1, a positioning module 2, a clamping module 5 and a supporting accessory 8, is suitable for flat package devices with pins, such as QFP, SOP, LCC, SMD devices, and the like, and arranges the supporting accessory at the front and rear sides of the base 1 so as to be matched with a first positioning block and a second positioning block, so as to realize the supporting and positioning of the three-surface pins of the components at the front and rear sides of the base 1, and ensure that the positioning and supporting of the components are more stable; when a plurality of components are processed simultaneously, pins of the components are pressed simultaneously through the clamping module, and clamping and fixing of the components in the middle of the base 1 are guaranteed.

When the number of the components processed at a single time is large, the limiting module 7 can be matched with the first three types of combination for use, and the components are effectively prevented from sliding out of two sides of the components. As shown in fig. 6 and 7, the clamping and positioning device adopts the combination of a base 1, a positioning module 2, a clamping module 5 and a limiting module 7;

and step 3: determining jaw forms of a first positioning block 201 and a second positioning block 202 according to types and sizes of devices to be subjected to gold removing and tin coating, adjusting the distance between the first positioning block 201 and the second positioning block 202 by moving a sliding part 101, ensuring that pins 9 of the devices to be subjected to gold removing and tin coating are placed on and attached to the upper surfaces of the positioning blocks, keeping the surfaces of the devices to be subjected to gold removing and tin coating upward for the paster devices so as to facilitate operation, preventing the distance between the two positioning blocks from being too small, and avoiding pin deformation of the devices;

and 4, step 4: placing the devices to be subjected to gold and tin plating removal, and screwing the first locking piece 3 on the sliding piece 101 after all the devices are placed in place to fix the sliding piece 101 on the base 1;

and 5: after the steps are completed, the pins or tin-plated surfaces of the components and parts to be subjected to gold tin plating removal can be operated according to the specified operation requirements;

step 6: after the gold and tin removing operation is finished, the first locking piece 3 is loosened, and the device which finishes the operation can be taken down, at this time, the sliding piece does not need to be moved (the step 3 to the step 6 are based on the operation of the first combination type);

and 7: when the gold removing and tin coating are carried out on the device with a plurality of pins arranged on the left side, the right side, the front side and the rear side, such as a similar CQFP, the second combination type and the third combination type are adopted; after the operation of the step 3 is completed, the second locking piece 6 needs to be taken down, the turn-over pressing block 502 needs to be turned over, the operation of the step 4 can be performed, after all the devices with gold and tin removed are placed in place, the turn-over pressing block 502 is put down slightly, the cambered surface of the pressing block presses the pins 9 of the devices placed on the plane of the first positioning block 201, the second locking piece is screwed slightly, then the tin-coating operation of the step 5 is performed, when the operation of the step 6 is performed, the second locking piece needs to be taken down firstly before the components are taken down, and after the pressing block 2 is turned over, the components with tin-coating operation can be taken down;

and 8: when gold and tin removing and coating are carried out on a plurality of double-row mounted components, a limiting module can be combined and adopted; after the operation of step 4 is completed, the first limiting member 701 and the second limiting member 702 mounted on both sides of the base 1 may be moved toward the front and rear sides of the base 1, and after the device to be subjected to gold and tin plating removal is abutted, the third locking member 704 is screwed to position the first limiting member 701 and the second limiting member 702; after the gold removing and tin coating operation is completed, the third locking member 704 is firstly loosened, and the first limiting member 701 and the second limiting member 702 are pulled open, so that the component for which the tin coating operation is completed can be taken down.

In the use process, the combination type of the clamping and positioning device is not limited to the above, and two or more of the base 1, the positioning module 2, the clamping module 5, the limiting module 7 and the supporting accessory 8 can be reasonably selected and used according to the actual processing process to be combined, so that the optimal clamping effect is ensured, and the stability of component clamping is ensured.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.

Claims (12)

1. The utility model provides an assembled clamping positioner that is used for components and parts to remove gold and bores tin which characterized in that includes:

the positioning module is detachably and movably arranged on a base; the positioning module comprises a first positioning block and a second positioning block; the component is arranged between the first positioning block and the second positioning block, so that the left side and the right side of the component are supported and positioned;

the limiting module comprises a first limiting piece and a second limiting piece, and the first limiting piece and the second limiting piece are used for limiting the displacement of the front side and the rear side of the component and preventing the component from being separated from the space between the first positioning block and the second positioning block;

a clamping module; the clamping module can move along the direction perpendicular to the component to abut against the positioning module, clamps the component and realizes limiting and fixing of the component in the perpendicular direction;

the supporting accessories are arranged on the front side and the rear side of the base to realize the support of the front side and/or the rear side of the component;

the limiting module and/or the clamping module and/or the supporting accessory are detachably assembled with the positioning module and the base to form different clamping and positioning combination forms, so that clamping and positioning of components of different types are realized.

2. The assembled clamping and positioning device for gold and tin removing of components and parts according to claim 1, wherein the upper surfaces of the first positioning block and the second positioning block are coplanar.

3. The assembled clamping and positioning device for gold and tin plating removal of components and parts as claimed in claim 1, wherein a sliding part is arranged on the base, a convex part is arranged on the sliding part, a slide way corresponding to the convex part is arranged on the base, and the convex part extends into the slide way and can slide along the slide way; the second positioning block is arranged on the sliding part and is driven by the sliding part to move towards the first positioning block.

4. The assembled clamping and positioning device for gold and tin removing of components and parts as claimed in claim 3, wherein a connecting piece is arranged on the base, the connecting piece spans the slide way and is connected with the base, and the connecting piece is used for adjusting the transverse distance of the slide way.

5. The assembled clamping and positioning device for gold and tin plating removal of components and parts as claimed in claim 3, wherein a first locking piece is further arranged on the sliding piece, the first locking piece penetrates through the sliding way to be in threaded connection with the first locking piece, and the sliding piece is locked by rotating the first locking piece.

6. The assembled clamping and positioning device for gold and tin removing of components and parts as claimed in claim 1, wherein the clamping module comprises a connecting seat and a pressing block; the connecting seat is connected with the base, one end of the pressing block is hinged with the connecting seat, and the other end of the pressing block can turn relative to the connecting seat; the pressing block is turned over to the positioning module and presses the pins of the components on the positioning module.

7. The assembled clamping and positioning device for gold and tin plating removal of components and parts as claimed in claim 6, wherein the surface of the pressing block in contact with the components and parts is an arc surface.

8. The assembled clamping and positioning device for gold and tin removing of components and parts as claimed in claim 6, wherein the clamping module further comprises a second locking member, the second locking member penetrates through the pressing block to be in threaded connection with the connecting seat, the pressing block is locked by rotating the second locking member, and the pressing block cannot turn over.

9. The assembled clamping and positioning device for gold and tin removing of components and parts as claimed in claim 6, wherein the pressing block is hinged to the connecting seat through a pin shaft.

10. The assembled clamping and positioning device for gold and tin plating removal of components and parts of claim 1, wherein the limiting module further comprises two mounting grooves, the two mounting grooves extend along the left and right directions of the components and parts and are arranged on the front and back sides of the base, and when no component is mounted, the first limiting part and the second limiting part are respectively arranged in the two mounting grooves.

11. The assembled clamping and positioning device for gold and tin plating removal of components and parts of claim 10, wherein the limiting module further comprises a third locking member, one end of the third locking member penetrates through the side wall of the mounting groove and is in threaded connection with the mounting groove, the third locking member is rotated, the third locking member pushes the first limiting member and/or the second limiting member to be pressed on the side wall of the mounting groove, and the first limiting member and/or the second limiting member cannot move relative to the mounting groove.

12. The assembled clamping and positioning device for gold and tin plating removal of components and parts as claimed in claim 1, wherein the supporting accessories are supporting plates, the supporting plates are detachably mounted on the front and rear side surfaces of the base, and pins on the front and/or rear side of the components and parts are placed on the supporting plates to support the front and/or rear side of the components and parts.

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