CN211540998U

CN211540998U - Screw machine frock tool

Info

Publication number: CN211540998U
Application number: CN201922214924.2U
Authority: CN
Inventors: 林思文; 陈文杰; 肖建心
Original assignee: Fujian Haijia Group Co ltd
Current assignee: Fujian Haijia Group Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-22
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a screw machine frock tool, which comprises a substrate, the base plate has the top surface and supplies PCB board level to the sunken formation in pit of bottom surface to place in, the pit is squarely, be provided with one on the back lateral wall of pit in order to be used for putting into PCB board back adjustment mechanism tight and fine setting in the forward top in the pit, be provided with one on the right side wall of pit in order to be used for putting into PCB board right adjustment mechanism tight and fine setting in the left top in the pit, back adjustment mechanism with right adjustment mechanism all has the ability removal to keep the effect end to PCB board ejection effect through the fix with screw, back adjustment mechanism with right adjustment mechanism all detachably installs on the base plate. Compared with the prior art, the utility model discloses a screw machine frock tool, it is easily adjusted, can adapt to the equidimension PCB board of the shape not of the same race fixed.

Description

Screw machine frock tool

Technical Field

The utility model relates to a beat screw tool field, concretely relates to screw machine frock tool.

Background

The jig is a large tool for carpenters, ironmen, pincers workers, machines, electric controls and other handicrafts, and is mainly used as a tool for assisting in controlling positions or actions (or both). At present, the assembly of electronic products generally involves the operation of locking screws, and higher position precision needs to be guaranteed in the process of screwing, so that the situation that screws cannot be normally screwed in or product screw locks are deflected is avoided, and a large number of products cannot be normally used or a large amount of products are reworked. Therefore, the PCB needs to be fixed by a special tool when the screw is screwed.

In order to ensure accurate screwing, the existing screw screwing jig for the PCB can only be suitable for the PCB with one size for a fixed structure, and has no universality. After long-term use, should beat the screw tool and receive wearing and tearing, precision progress deviation is big, and beat the screw tool and can not adjust the structure again, leads to unable the use, causes the waste, also increases manufacturing cost and drops into, restricts the development of enterprise.

Accordingly, the inventors of the present invention have made extensive studies on the conventional screw driving jig, and have made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easily adjust, can adapt to the fixed screw machine frock tool of the not equidimension PCB board of the same shape.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a screw machine frock tool, includes the base plate, the base plate has the pit that the top surface is sunken to the bottom surface and supplies PCB board level to place in, the pit is squarely, be provided with one on the rear side wall of pit in order to be used for putting into PCB board back adjustment mechanism tight and the fine setting of preceding top in the pit, be provided with one on the right side wall of pit in order to be used for putting into PCB board right adjustment mechanism tight and the fine setting of left top in the pit, back adjustment mechanism with right adjustment mechanism all has the ability removal to keep the effect end of PCB board ejection effect through the screw fixation, back adjustment mechanism with right adjustment mechanism all detachably installs on the base plate.

The rear adjusting structures are two and are arranged on the rear side wall of the pit side by side, the right adjusting structures are two and are arranged on the right side wall of the pit side by side.

The rear adjusting mechanism is the same as the right adjusting mechanism, the ejection positioning mechanism comprises a gland, an ejection block, an adjusting sheet and a screw, a cavity which is recessed backwards and is used for installing the ejection block and the gland is arranged on the rear wall of the pit, the cavity is square, the ejection block and the gland are sequentially arranged in the cavity, and a positioning step which is used for limiting the installation of the gland to avoid ejecting the ejection block and preventing the ejection block from being separated from the cavity is arranged on the inner wall of the cavity; the gland is provided with a horizontal part and a bulge part which is bulged on the top surface of the horizontal part and is propped against the adjusting sheet, the horizontal part of the gland is matched with the upper port of the cavity similarly, and the horizontal part of the gland is connected with the positioning step through a screw; the ejection block is in a shape of a Chinese character 'tu', and is formed by connecting a linear ejection part and a cross-shaped connecting part; the connecting part is parallel to the pushing top part and is a straight section, the connecting part is a vertical section vertical to the pushing top part, the front end of the positioning step is provided with a pair of extension parts which extend oppositely and are used for blocking the straight section from passing through, the positioning step is a square area which is formed by surrounding the bottom of the concave cavity and used for the movement of the straight section, a strip-shaped hole is arranged on the horizontal part of the gland corresponding to the vertical section of the push-up block, the adjusting sheet is positioned on the top surface of the horizontal part of the gland, the adjusting sheet is provided with a square head part and a tail part in a right trapezoid shape, the screw is provided with a head part and a tail part with threads, one straight end surface of the head part of the adjusting sheet is in round angle transition with one end surface of the head part and the tail part which are in straight connection, the head part of the adjusting sheet is provided with an eccentric part, and the tail part of the screw penetrates through the strip-shaped hole to be connected with the connecting part of the ejector block.

Be provided with two on the base plate and be in the left side of pit, and follow the first through-hole that the fore-and-aft direction of base plate was arranged side by side, two first through-hole is the bar hole, two the length direction of first through-hole with the fore-and-aft direction of base plate is unanimous.

The base plate is provided with two second through holes which are located on the rear side of the concave pits and arranged side by side in the left-right direction of the base plate, the two second through holes are strip-shaped holes, and the length direction of the two second through holes is consistent with the left-right direction of the base plate.

Two counter bores which are arranged side by side in the front and back are arranged on the bottom surface of the substrate, and the two counter bores are close to the edge of the right side of the substrate.

The side wall of the pit is provided with a vertical surface and an inclined surface expanding outwards.

The width of the ejector part is equal to the width of the notch of the concave cavity, and the end face of the ejector block is flush with the rear end face of the concave cavity.

The utility model discloses a profitable effect is: the base plate has the sunken pit that forms of top surface to the bottom surface, and the pit is squarely, when needs are installed to the PCB board, when directly placing PCB board level in the pit, through rear adjusting mechanism's effect end, can directly push up the trailing edge of putting into the pit PCB board for the leading edge of PCB board leans on with the preceding lateral wall top of pit, then fixes its effect end through the screw, realizes the fixed location of PCB board fore-and-aft direction on. Through right adjustment mechanism, can directly push up the right side edge of putting into the PCB board in the pit for the left side edge of PCB board leans on with the left side wall top of pit, then fixes its effect end through the screw, realizes that the location of PCB board left and right sides upwards is fixed. Through the combined action of the action ends of the elastic rear adjusting mechanism and the right adjusting mechanism, the PCB is positioned and clamped. Meanwhile, the PCB board fine-tuning device can also fine-tune the PCB board placed in the pit by water, and can also adapt to the PCB boards with the same shape and different sizes. The operation is simple and convenient, the stability is high, the efficiency is improved, meanwhile, the utilization rate of the same substrate can be increased, the substrate waste is reduced, the production cost is reduced, and the development of enterprises is facilitated.

Drawings

For ease of illustration, the present invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic view of the three-dimensional structure of the screw machine tooling jig of the present invention.

Fig. 2 is a front view of the screw machine tooling jig of the present invention.

Fig. 3 is a rear view of the screw machine tooling jig of the present invention.

Fig. 4 is a schematic diagram of the basic structure of the screw machine fixture of the present invention (i.e., the schematic diagram of the structure after the adjustment mechanism is removed).

Fig. 5 is the structure schematic diagram of the adjusting mechanism of the screw machine tooling jig of the utility model.

In the figure:

a substrate-1; a cavity-11; positioning a step-12; a pit-2; a rear adjusting mechanism-3; a gland-31; a boss-310; a strip-shaped hole-311; a push-block-32; a tab-33; screw-34; a right adjustment mechanism-4; a first through-hole-5; a second through hole-6; a counter bore-7; and (4) positioning holes-8.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1-5, the utility model discloses a screw machine frock tool, base plate 1 has the top surface and supplies the pit 2 in that the PCB board level was placed to the sunken formation in bottom surface, pit 2 is squarely, be provided with one on the back lateral wall of pit 2 and be used for to putting into the back adjustment mechanism 3 of PCB board tight and fine setting in pit 2 before, be provided with one on the right side wall of pit 2 and be used for to putting into the right adjustment mechanism 4 of PCB board tight and fine setting in pit 2 before the left side, back adjustment mechanism 3 with right adjustment mechanism 4 all has the ability to remove to keep the effect end to PCB board ejection effect through the fix with screw, back adjustment mechanism 3 with right adjustment mechanism 4 equal detachably installs on base plate 1. Adopt above-mentioned structure to set up, pit 2 is squarely, and through the effect end of back adjustment mechanism 3, can directly the back side edge of pushing up the PCB board of putting into pit 2 for the front side edge of PCB board leans on with the preceding lateral wall top of pit 2, then fixes its effect end through the screw, realizes that the ascending location of PCB board fore-and-aft direction is fixed. Through right adjustment mechanism 4, can directly push up the right side edge of putting into PCB board in pit 2 for the left side edge of PCB board leans on with the left side wall top of pit 2, then fixes its effect end through the screw, realizes that the location of PCB board left and right sides orientation is fixed. The PCB is positioned and clamped under the combined action of the action ends of the elastic rear adjusting mechanism 3 and the right adjusting mechanism 4. Meanwhile, the PCB board fine-tuning device can also fine-tune the PCB board placed in the pit 2 by water, and can also adapt to the PCB boards with the same shape and different sizes. The operation is simple and convenient, the stability is high, the efficiency is improved, meanwhile, the utilization rate of the same substrate 1 can be increased, the waste of the substrate 1 is reduced, and the production cost is reduced.

In this embodiment, the rear adjustment structures are two, the two rear adjustment structures are arranged side by side on the rear side wall of the pit 2, the right adjustment structures are two, and the two right adjustment structures are arranged side by side on the right side wall of the pit 2. Specifically, the two rear adjusting structures are located at the trisection point of the rear side wall of the pit 2 in the length direction, and similarly, the two right adjusting structures are located at the trisection point of the right side wall of the pit 2 in the length direction. By adopting the structure, the corresponding edge of the PCB placed in the pit 2 can be pushed in a balanced manner, so that the PCB can be stably clamped, and the positioning precision of the PCB can be ensured. The method avoids the defects that when a single pushing device is adopted, the deflection is easy to occur, the accurate adjustment is not easy, the pushing balance is difficult to keep, and the adaptive pushing can not be carried out according to the side structure of the PCB (namely the structure that the side edge of the same side of the PCB has a drop two-section).

In this embodiment, back adjustment mechanism 3 with right adjustment mechanism 4 is the same, back adjustment mechanism 3 includes gland 31, ejector block 32, trimmer 33 and screw 34, be provided with backward cave and supply on the back wall of pit 2 ejector block 32 with gland 31 installs cavity 11 in, cavity 11 is square, ejector block 32 with gland 31 install in proper order in the cavity 11, make the utility model discloses the tool is whole compacter, and occupation space is littleer, reduces the interference area of base plate 1 conveying on the platform, the board conveying of being convenient for and the collection of base plate 1. The inner wall of the cavity 11 is provided with a positioning step 12 for limiting the installation of the gland 31 to avoid pressing the ejector block 32 and preventing the ejector block 32 from being separated from the cavity 11; the gland 31 has a horizontal part and a raised part 310 raised on the top surface of the horizontal part and against which the trim sheet 33 is rested, the horizontal part of the gland 31 is matched with the upper port of the cavity 11, and the horizontal part of the gland 31 is connected with the positioning step 12 through a screw 34; the ejector block 32 is in a shape of a Chinese character 'tu', and is formed by connecting a straight ejector part and a cross-shaped connecting part; the connecting part is parallel to the pushing part and is a flat section, the connecting part is provided with a vertical section vertical to the pushing part, the front end of the positioning step 12 is provided with a pair of extension parts which extend oppositely and are used for blocking the flat section from passing through, the positioning step 12 is used for enclosing the bottom of the cavity 11 into a square area for the flat section to move, the horizontal part of the gland 31 is provided with a strip-shaped hole 311 corresponding to the vertical section on the pushing block 32, the adjusting sheet 33 is positioned on the top surface of the horizontal part of the gland 31, the adjusting sheet 33 is provided with a square head and a right trapezoid tail, the screw 34 is provided with a head and a tail with threads, a flat end surface of the head of the adjusting sheet 33 is in round-corner transition with one end surface which is in flat connection with the head and the tail, the head of the adjusting sheet 33 is provided with an eccentric hole through which the tail of the screw, the tail part of the screw 34 passes through the strip-shaped hole 311 and is connected with the connecting part of the ejector block 32. By adopting the structure, when in use, the adjusting sheet 33 is pushed manually, the ejecting block 32 is directly driven to stretch out the edge of the opposite ejection PCB, the adjusting sheet 33 and the ejecting block 32 are locked by the screw 34, the edge of the opposite ejection PCB is kept to be ejected, and the PCB is fixed and clamped by using a force in the same direction (namely, one side of the PCB is abutted in the pit 2, and the opposite side of the PCB is ejected and fixed by the ejecting block 32). Therefore, the operation is convenient, the deviation of the components is small, and the positioning is more accurate. When fine adjustment is needed, only the loose screw 34 needs to be slightly adjusted, and the swing adjusting sheet 33 rotates, so that the fillet transition of the adjusting sheet 33 is butted with the convex part 310 on the gland 31, slight retreating is realized, and fine adjustment of retreating is carried out. And then secondary locking of screw 34.

In the above, the combination of the ejector block 32, the adjustment sheet 33 and the screw 34 is the action end of the rear adjustment mechanism 3 locked by the screw 34 or the action end of the right adjustment mechanism 4 locked by the screw 34, and the screw of the rear adjustment mechanism 4 fixed to the action end thereof is the screw 34 in the specific structure, in other words, the screw of the rear adjustment mechanism 4 fixed to the action end thereof is the screw 34. Similarly, the screw for fixing the upper acting end of the middle-right adjusting mechanism 4 refers to an existing screw which has the same action as the screw 34.

In this embodiment, it is preferable that a compression spring is installed at the end of the connecting portion of the ejector 32 (i.e. the compression spring is sleeved at the end of the vertical section of the connecting portion perpendicular to the ejector), and one end of the spring is connected to the end of the connecting portion of the ejector 32, and the other end of the spring is abutted against the rear cavity wall of the cavity 11. Therefore, the ejector block 32 can automatically extend out, so that the clamping is more labor-saving and the adjustment is more convenient.

In this embodiment, the substrate 1 is provided with two first through holes 5 which are located on the left side of the pit 2 and arranged side by side along the front-back direction of the substrate 1, each of the two first through holes 5 is a strip-shaped hole, and the length direction of each of the two first through holes 5 is consistent with the front-back direction of the substrate 1. Adopt above-mentioned structure setting for operating personnel easily discern the direction that board was put into to base plate 1, through the cooperation of first through-hole 5 and the corresponding structure of board, the circulation is used on the board of the base plate 1 of being convenient for.

In this embodiment, the substrate 1 is provided with two second through holes 6 which are located behind the pits 2 and arranged side by side along the left-right direction of the substrate 1, each of the two second through holes 6 is a strip-shaped hole, and the length direction of each of the two second through holes 6 is consistent with the left-right direction of the substrate 1. Adopt above-mentioned structure setting for operating personnel easily discern the direction that board was put into to base plate 1, through the cooperation of first through-hole 5 and the corresponding structure of board, the circulation is used on the board of the base plate 1 of being convenient for.

In this embodiment, two counter bores 7 arranged side by side in front and back are arranged on the bottom surface of the substrate 1, and the two counter bores 7 are close to the edge of the right side of the substrate 1. The base plate 1 is provided with a positioning hole 8 between the two rear adjusting structures, and the positioning hole 8 is close to the right rear adjusting structure on the base plate 1. By adopting the structure, the arranged counter bore 7 is convenient for the positioning of the substrate 1 and the machine table. Through the counter bore 7, a conveying component on the machine table is matched, so that the substrate 1 can be conveniently conveyed on the machine table.

In this embodiment, the side wall of the pit 2 has a vertical surface and an inclined surface expanding outward. By adopting the structure, the opening of the pit 2 is mainly enlarged. The PCB can be conveniently placed into the concave pit 2, and interference on the placement of the PCB is avoided. Meanwhile, the PCB can be effectively prevented from colliding with the substrate 1 when being placed into the pit 2.

In this embodiment, the width of the pushing portion is equal to the width of the notch of the concave cavity 11, so that a sufficient area of the pushing portion is ensured to contact with the edge of the PCB, and the damage to the edge of the PCB due to an excessively small contact surface is avoided. The end face of the ejector block 32 is flush with the rear end face of the pit 2, so that the working area of the pit 2 is guaranteed to be used to the maximum extent, and the occupation is effectively reduced. So that the PCB with the same size as the bottom of the pit 2 can be placed in the pit for clamping and positioning.

The utility model discloses screw machine frock tool, it is easily adjusted, can adapt to the same kind of shape not equidimension PCB board fixed. Overcome one present and supply the PCB board to beat screw tool and can only be suitable for the drawback that a size PCB board used for fixed knot constructs, can also solve simultaneously same screw tool used repeatedly of beating, receive wearing and tearing, precision progress deviation is big, leads to unable use, causes the waste, also increases manufacturing cost and drops into, restricts the problem of the development of enterprise.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a screw machine frock, includes the base plate, its characterized in that: the base plate has the pit that the top surface is sunken to the bottom surface and is formed and supply PCB board level place in, the pit is squarely, be provided with one on the rear side wall of pit in order to be used for putting into PCB board back adjustment mechanism tight and the fine setting of preceding top in the pit, be provided with one on the right side wall of pit in order to be used for putting into PCB board right adjustment mechanism tight and the fine setting of left top in the pit, back adjustment mechanism with right adjustment mechanism all has the ability to remove to keep the effect end to PCB board ejection effect through the fix with screw, back adjustment mechanism with right adjustment mechanism equal detachably installs on the base plate.

2. The screw machine tooling jig of claim 1, wherein: the rear adjusting structures are two and are arranged on the rear side wall of the pit side by side, the right adjusting structures are two and are arranged on the right side wall of the pit side by side.

3. The screw machine tooling jig of claim 1, wherein: the rear adjusting mechanism is the same as the right adjusting mechanism and comprises a gland, a pushing block, an adjusting sheet and a screw, a cavity which is recessed backwards and is used for installing the pushing block and the gland is arranged in is arranged on the rear wall of the pit, the cavity is square, the pushing block and the gland are sequentially arranged in the cavity, and a positioning step which is used for installing and limiting the gland to avoid pushing the pushing block and preventing the pushing block from being separated from the cavity is arranged on the inner wall of the cavity; the gland is provided with a horizontal part and a bulge part which is bulged on the top surface of the horizontal part and is propped against the adjusting sheet, the horizontal part of the gland is matched with the upper port of the cavity similarly, and the horizontal part of the gland is connected with the positioning step through a screw; the ejection block is in a shape of a Chinese character 'tu', and is formed by connecting a linear ejection part and a cross-shaped connecting part; the connecting part is parallel to the pushing top part and is a straight section, the connecting part is a vertical section vertical to the pushing top part, the front end of the positioning step is provided with a pair of extension parts which extend oppositely and are used for blocking the straight section from passing through, the positioning step is a square area which is formed by surrounding the bottom of the concave cavity and used for the movement of the straight section, a strip-shaped hole is arranged on the horizontal part of the gland corresponding to the vertical section of the push-up block, the adjusting sheet is positioned on the top surface of the horizontal part of the gland, the adjusting sheet is provided with a square head part and a tail part in a right trapezoid shape, the screw is provided with a head part and a tail part with threads, one straight end surface of the head part of the adjusting sheet is in round angle transition with one end surface of the head part and the tail part which are in straight connection, the head part of the adjusting sheet is provided with an eccentric part, and the tail part of the screw penetrates through the strip-shaped hole to be connected with the connecting part of the ejector block.

4. The screw machine tooling jig of claim 1, wherein: be provided with two on the base plate and be in the left side of pit, and follow the first through-hole that the fore-and-aft direction of base plate was arranged side by side, two first through-hole is the bar hole, two the length direction of first through-hole with the fore-and-aft direction of base plate is unanimous.

5. The screw machine tooling jig of claim 1 or 4, wherein: the base plate is provided with two second through holes which are located on the rear side of the concave pits and arranged side by side in the left-right direction of the base plate, the two second through holes are strip-shaped holes, and the length direction of the two second through holes is consistent with the left-right direction of the base plate.

6. The screw machine tooling jig of claim 1 or 2, wherein: two counter bores which are arranged side by side in the front and back are arranged on the bottom surface of the substrate, and the two counter bores are close to the edge of the right side of the substrate.

7. The screw machine tooling jig of claim 1, wherein: the side wall of the pit is provided with a vertical surface and an inclined surface expanding outwards.

8. The screw machine tooling jig of claim 3, wherein: the width of the ejector part is equal to the width of the notch of the concave cavity, and the end face of the ejector block is flush with the rear end face of the concave cavity.