CN110939639A

CN110939639A - Pressure maintaining jig

Info

Publication number: CN110939639A
Application number: CN201911324351.7A
Authority: CN
Inventors: 李胜; 蔡宝国; 鲁豫; 张轲; 陈栋
Original assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Current assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-03-31

Abstract

A pressure maintaining jig comprises a base, a placing block and a pressure maintaining assembly, wherein the pressure maintaining assembly comprises a cover plate, a pressure maintaining block, a spring, an upper movable block and an adjusting handle, the pressure maintaining block is vertically aligned with the placing block, the spring is compressed between the pressure maintaining block and the upper movable block, the cover plate is positioned above the upper movable block, the cover plate is provided with an adjusting hole which penetrates through the cover plate from top to bottom, inner side walls of the adjusting hole are provided with internal threads, the adjusting handle comprises a screw rod which penetrates through the adjusting hole, the screw rod is provided with external threads which are meshed with the internal threads, and when the adjusting handle rotates, the upper movable block moves up and down along with the screw rod.

Description

Pressure maintaining jig

Technical Field

The invention relates to mechanical production equipment, in particular to a pressure maintaining jig.

Background

In the production process of electronic products, pressure holding is often required after the components are bonded to ensure the reliability of bonding. The traditional pressure maintaining process usually uses two modes of manual pressure maintaining and machine pressure maintaining, but has some problems:

the manual pressurize, utilize the pressure straight cover product of pressing with soft pressure head, this kind of mode can't control the size of guarantor's pressure, relies on staff's operation feel completely.

The manual pressure maintaining jig mainly depends on a pressure maintaining mode of combining a spring and a weight, wherein the spring pressure maintaining is difficult to control the pressure maintaining value; in the jig for weight pressure maintaining, although the pressure maintaining force can be adjusted by increasing or decreasing the weight mass, the descending process of the weight pressure maintaining usually has certain impact force, so that the pressure head is pressed down to the product surface to generate certain impact force to interfere with the pressure maintaining parameters.

Pressure maintaining equipment is usually pressed down by a cylinder to provide pressure maintaining force, but pressure maintaining parameters of the equipment are difficult to adjust, the universality is poor, and the equipment cannot be universally used in products with other pressure maintaining parameters; there is some pressurize equipment to increase weight and spring in pressure head mechanism and provide actual pressurize force, and the problem that meets with manual pressurize tool is similar, and the pressurize force is difficult to be adjusted in the spring pressurize, and the weight pressurize can produce certain impact force and influence the pressurize parameter, and in addition, pressurize equipment cost is higher, leads to the input cost increase of product development.

Disclosure of Invention

The invention aims to provide a pressure maintaining jig with pressure maintaining force parameters convenient to adjust.

In order to achieve the purpose, the invention adopts the following technical scheme: a pressure maintaining jig comprises a base, a placing block and a pressure maintaining component, wherein the placing block is arranged on the base, used for placing an object to be pressure-maintained, the pressure maintaining component comprises a cover plate, a pressure maintaining block, a spring, an upper movable block and an adjusting handle, the pressure maintaining block is aligned with the placing block up and down, so that the pressure maintaining block can be pressed against the object to be pressure maintained, the spring is compressed between the pressure maintaining block and the upper movable block, the cover plate is positioned above the upper movable block, the cover plate is provided with an adjusting hole which penetrates through the cover plate up and down, the inner side wall of the adjusting hole is provided with internal threads, the adjusting handle comprises a screw rod which is arranged in the adjusting hole in a penetrating way and a connecting rod which is connected with the screw rod and the upper movable block, the screw rod be equipped with internal thread meshing's external screw thread, when adjusting handle rotates, go up the movable block and follow the screw rod reciprocates.

As a further improved technical scheme, the pressure maintaining assembly further comprises a main body block and an indicating rod fixed on the upper movable block, scales which are spaced up and down are arranged on the outer side surface of the main body block, and the indicating rod is used for indicating the scale position corresponding to the upper movable block.

As a further improved technical solution of the present invention, the pressure maintaining assembly further includes a main body block, the main body block is provided with a movable hole for accommodating the upper movable block and a movable groove penetrating through a front end wall enclosing the movable hole, the indication rod is suspended in the movable groove, and the scale is arranged on a front surface of the front end wall.

As a further improved technical scheme of the invention, a concave part is arranged on the lower surface of the upper movable block, and the pressure maintaining block is partially positioned in the concave part.

As a further improved technical scheme of the invention, the upper surface of the pressure maintaining block is provided with a positioning hole for positioning the lower end of the spring, and the upper end of the spring abuts against the inner top wall of the concave part.

As a further improved technical solution of the present invention, the pressure maintaining assembly further includes a lower movable block located below the upper movable block, the pressure maintaining block includes an expanding portion and a reducing portion extending downward from the expanding portion, the lower movable block has a through hole for the reducing portion to pass through downward, and the expanding portion is larger than the through hole. .

As a further improved technical solution of the present invention, the enlarged portion is located between the lower movable block and the upper movable block and abuts downward against the lower movable block

As a further improved technical scheme of the present invention, the upper movable block is provided with a connecting groove and a top wall covering the connecting groove, the top wall is provided with a limiting groove vertically penetrating through the top wall, the limiting groove and the connecting groove respectively extend forward to an outer side surface of the upper movable block, and the connecting rod is fixedly connected with the limiting groove.

As a further improved technical solution of the present invention, the connecting rod includes an upper section, a middle section and a lower section which are connected up and down, an outer diameter of the middle section is smaller than that of the upper section and the lower section, the middle section is located in the limiting groove, the upper section is located above the top wall, the lower section is located in the connecting groove, and outer diameters of the upper section and the lower section are both larger than a width of the limiting groove to limit the middle section from separating from the limiting groove.

As a further improved technical solution of the present invention, the pressure maintaining assembly further includes a rotating cover rotatably connected to the base, and a main body block accommodating the spring, the pressure maintaining block, and the upper movable block, and the main body block is fixed to the rotating cover to move along with the rotating cover.

As a further improved technical solution of the present invention, the rotating cover includes an upper receiving hole and a lower receiving hole connected up and down, the lower end of the main body block is fixed in the upper receiving hole, and the pressure-retaining block passes through the lower receiving hole downward to press the object to be pressure-retained.

The technical scheme is further improved by the invention, the rotary cover further comprises a buckle assembly, the buckle assembly comprises a support, a buckle arm and a rotating shaft, the support is fixed on the front end face of the base, the buckle arm is rotatably connected with the support through the rotating shaft, and the buckle arm is provided with a buckle convex part used for being downwards buckled on the rotary cover.

Compared with the prior art, the pressure maintaining jig has the following advantages:

the constant pressure keeping can be controlled, after the rotary cover is buckled, the indicating rod is adjusted to a specific pressure scale position by rotating the adjusting handle, so that the constant pressure keeping pressure can be exerted on the object to be pressure-kept, and the process requirement can be better realized;

the pressure maintaining parameter can be adjusted, the universality is high, the pressure maintaining parameter can be adjusted to the scale position of the required pressure maintaining through the requirement adjusting indicating rod, and the specific pressure maintaining can be formulated according to the pressure maintaining requirement of the object to be subjected to pressure maintaining;

the pressure maintaining jig has the advantages of simple structure, simple working principle, simplicity and convenience in operation, easiness in operation, low cost and suitability for medium and small-batch production lines.

Drawings

Fig. 1 is a perspective view of the pressure maintaining jig of the present invention.

Fig. 2 is a perspective view of the base of the pressure maintaining jig of the present invention separated from the pressure maintaining assembly.

Fig. 3 is an exploded perspective view of the base and the clip assembly of the pressure maintaining jig of the present invention.

Fig. 4 is an exploded perspective view of the pressure maintaining assembly of the pressure maintaining jig of the present invention.

Fig. 5 is a further exploded isometric exploded view of fig. 4, showing the outer body block separated from the other components.

Fig. 6 is a further exploded perspective exploded view of fig. 5 showing the inner body block, retainer block and spring separated from each other.

Fig. 7 is an exploded perspective view from another angle of fig. 6.

Fig. 8 is an exploded perspective view of fig. 6 from yet another angle.

Detailed Description

Referring to fig. 1 to 3, the present invention discloses a pressure maintaining jig 100 for maintaining pressure of a pressure maintaining object 50, which includes a base 10, a placing block 20, a pressure maintaining component 30 and a fastening component 40.

The upper surface of the base 10 is provided with an upper groove 11 for accommodating the placing block 20, and the placing block 20 is partially protruded upwards from the upper surface of the base 10; the front surface of the base 10 is provided with a front groove 12 for fixing the buckle assembly 40; the rear surface of the base 10 is provided with a rear groove 13 and a fixing plate 14 fixed in the rear groove 13; the fixing plate 14 is vertically disposed, the fixing plate 14 has two protrusions 141 protruding upward from the upper surface of the base 10, the two protrusions 141 are spaced apart from each other, the two protrusions 141 have first circular holes 142 aligned with each other, and the two first circular holes 142 are located above the upper surface of the base 10.

The placing groove 22 is concavely arranged on the upper surface of the placing block 20 and used for accommodating and positioning the object to be pressurized 50, and the object to be pressurized 50 can be completely accommodated in the placing groove 22 and is lower than the upper surface of the placing block 20. The size and shape of the placement groove 22 can be changed according to different objects 50 to be pressurized to meet the requirements of different objects 50 to be pressurized. In other embodiments, the placement block 20 is a carrier; the placement block 20 is provided integrally with the base 10.

Referring to fig. 4 to 8, the pressure maintaining assembly 30 includes a rotary cover 31, a main body block 32, a cover plate 33, a lower movable block 34, a pressure maintaining block 35, a spring 36, an upper movable block 37, an indicating rod 38 and an adjusting handle 39.

The pressure maintaining assembly 30 is rotatably connected with the base 10 through the rotating cover 31, the rotating cover 31 has an opening state and a closing state, when the rotating cover 31 is opened, the placing block 20 is exposed out of the upper side of the base 10, and the object 50 to be subjected to pressure maintaining is conveniently placed in the placing block 20; when the rotary cover 31 is closed, the pressure maintaining assembly 30 can maintain the pressure of the pressure to be maintained 50.

The rotary cover 31 has a connecting protrusion 311 extending into the base 10 between the two protrusions 141, the connecting protrusion 311 has a second circular hole 312 aligned with the first circular hole 142, and a circular shaft 313 is inserted into the first circular hole 142 and the second circular hole 312 to rotatably connect the rotary cover 31 and the base 10. The rotary cover 31 has an upper receiving hole 314 and a lower receiving hole 315 which are vertically connected. The upper receiving hole 314 and the lower receiving hole 315 are respectively formed in a square shape and are coaxially arranged up and down, and the length and the width of the upper receiving hole 314 are both greater than those of the lower receiving hole 315.

The length and width of the main body block 32 are substantially the same as those of the upper receiving hole 314, the lower end of the main body block 32 is fixed in the upper receiving hole 314, the main body block 32 is provided with a movable hole 321 vertically penetrating the main body block 32 and a movable groove 322 penetrating the front end wall surrounding the movable hole 321, the movable groove 322 vertically penetrates the front end wall, and the front surface of the front end wall is provided with scales 3220 vertically arranged.

The cover plate 33 covers the upper surface of the main body block 32, the cover plate 33 is provided with an adjusting hole 330 which vertically penetrates through the cover plate 33, and the inner side wall of the adjusting hole 330 is provided with internal threads.

The lower movable block 34, the pressure holding block 35, the spring 36, and the upper movable block 37 are accommodated in the movable hole 321 of the main body block 32, the lower movable block 34 is fixed to the lower surface of the upper movable block 37, and the lower movable block 34 has a through hole 340 vertically penetrating the lower movable block 34. The holding pressure block 35 is T-shaped, and includes an enlarged portion 351 and a reduced portion 352 extending downward from the enlarged portion 351, and the reduced portion 352 passes through the through hole 340 and is used for pressing the object to be held 50 downward; the enlarged portion 351 is located above the lower movable block 34 and has a cross-sectional area larger than that of the through-hole 340 for abutting downward against the lower movable block 34 to prevent the pressing block 35 from excessively moving downward. The pressure maintaining block 35 can be replaced according to different process requirements and different products, so as to meet different process requirements.

The spring 36 is compressed between the holding block 35 and the upper movable block 37, the lower surface of the upper movable block 37 is provided with a concave part 370 for the expansion part 35 to move up and down, the upper surface of the expansion part 351 is provided with a positioning hole 353 for positioning the lower end of the spring 36, and the upper end of the spring 36 abuts against the inner top wall of the concave part 370. The spring 36 can be replaced according to the pressure required to meet various pressure requirements.

Go up movable block 37 top and be equipped with the connecting groove 371 of being connected with adjusting handle 39 and cover the roof 372 of connecting groove 370, roof 372 is equipped with the spacing groove 373 that runs through roof 372 from top to bottom, and spacing groove 373 and connecting groove 371 extend to the lateral surface of last movable block 37 forward respectively (for example preceding terminal surface, rear end face, control terminal surface), and in the left right direction, the width of spacing groove 373 is less than the width of connecting groove 371.

One end of the indicating rod 38 is fixed on the front surface of the upper movable block 37, so that the indicating rod 38 can move up and down along with the upper movable block 37, and is aligned with different scales 3220, and the front surface of the indicating rod 38 is provided with a horizontal linear recess 380 for convenient observation; the other opposite end of the indicator beam 38 is suspended in the movable slot 322 of the main body block 32.

The adjusting handle 39 includes a handle portion 391, a screw 392, and a connecting rod 393 connected in sequence from top to bottom. The size of the handle portion 391 is larger than that of the screw 392, and the handle portion 391 is used for a hand or a tool to hold and rotate the adjustment handle 39. The screw 392 has an external thread on its outer surface, the screw 392 is inserted into the adjustment hole 330 of the cover plate 33, and the external thread of the screw 392 is engaged with the internal thread of the adjustment hole 330, so that the adjustment knob 39 is moved up and down while rotating relative to the cover plate 33. The connecting rod 393 comprises an upper section 3931, a middle section 3932 and a lower section 3933 which are connected up and down, the outer diameter of the middle section 3932 is smaller than the upper section 3931 and the lower section 3933, the middle section 3932 enters the limiting groove 373 from the front side of the upper movable block 37, the upper section 3931 is located above the upper movable block 37, the lower section 3933 is located in the connecting groove 371, the outer diameters of the upper section 3931 and the lower section 3933 are all larger than the limiting groove 373, and by the design, the adjusting handle 39 can drive the upper movable block 37 to move up and down.

Referring to fig. 1 to 3, the locking assembly 40 includes a bracket 41, a locking arm 42 and a rotating shaft 43, the bracket 41 is fixed in the front groove 12 of the base 10, the locking arm 42 is rotatably connected to the bracket 41 through the rotating shaft 43, the upper end of the locking arm 42 includes a locking protrusion 420, when the rotating cover 31 is closed, the locking protrusion 420 is locked to the rotating cover 31 downward, so as to ensure that the rotating cover 31 is locked to the base 10 without loosening. In other embodiments, the latch arm 42 is rotatably connected to the base 10, or the latch assembly 40 is disposed on the pressure maintaining assembly 30.

The use method of the pressure maintaining jig 100 comprises the following steps:

the to-be-kept piece 50 is placed in the placing groove 22 of the placing block 20;

the rotating cover 31 covers the base 10 downwards, and other components of the pressure maintaining assembly 30 move downwards along with the rotating cover 31;

rotating the latch arm 42, the latch protrusion 420 is latched downward on the rotary cover 31;

rotating the adjusting handle 39, wherein the adjusting handle 39 drives the upper movable block 37 to move downwards, the upper movable block 37 presses the spring 36 to compress, the spring 36 applies a pressure F to the object to be pressure-retained 50 through the pressure-retaining block 35, where F is k (X2-X1), where k is an elastic coefficient of the spring 36, X2 is a scale value of a descending position of the pressure-retaining block 35, and a scale value of an initial position of X1;

after the preset time, the adjusting handle 39 is rotated to return to the initial position, the buckle assembly 40 and the rotating cover 31 are opened, the object to be pressure-maintained 50 is taken out, and the pressure maintaining is completed.

The pressure maintaining jig 100 of the invention has the following advantages:

the constant pressure keeping can be controlled, after the rotary cover 31 is buckled, the adjusting handle 39 is rotated to adjust the indicating rod 38 to the position of the specific pressure scale 3220, so that the constant pressure keeping pressure is acted on the object to be kept 50, and the process requirement is better realized;

the pressure maintaining parameter can be adjusted, the universality is high, the pressure maintaining parameter can be adjusted to the scale position of the required pressure maintaining through the requirement adjusting indicating rod 38, and the specific pressure maintaining can be set according to the pressure maintaining requirement of the object to be subjected to pressure maintaining 50;

the pressure maintaining jig 100 disclosed by the invention is simple in structure and working principle, simple and convenient to operate, easy to operate, low in cost and suitable for medium and small-batch production lines.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the technical field can still make modifications or equivalent substitutions on the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.

Claims

1. The utility model provides a pressurize tool (100), its includes base (10), places piece (20) and pressurize subassembly (30), place piece (20) set up in on base (10) for place treat pressurize thing (50), its characterized in that: the pressure maintaining assembly (30) comprises a cover plate (33), a pressure maintaining block (35), a spring (36), an upper movable block (37) and an adjusting handle (39), the pressure maintaining block (35) is vertically aligned with the placing block (20), the pressure maintaining block (35) can be abutted to the object to be subjected to pressure maintaining (50), the spring (36) is compressed between the pressure maintaining block (35) and the upper movable block (37), the cover plate (33) is positioned above the upper movable block (37), the cover plate (33) is provided with an adjusting hole (330) which penetrates through the cover plate from top to bottom, the inner side wall of the adjusting hole (330) is provided with an internal thread, the adjusting handle (39) comprises a screw rod (392) which penetrates through the adjusting hole (330) and a connecting rod (393) which connects the screw rod (392) with the upper movable block (37), and the screw rod (392) is provided with an external thread which is meshed with the internal thread, when the adjusting handle (39) rotates, the upper movable block (37) moves up and down along with the screw rod (392).

2. The pressure maintaining jig (100) of claim 1, characterized in that: the pressure maintaining assembly (30) further comprises a main body block (32) and an indicating rod (38) fixed to the upper movable block (37), scales (3220) spaced up and down are arranged on the outer side surface of the main body block (32), and the indicating rod (38) is used for indicating the scale position corresponding to the upper movable block (37).

3. The pressure maintaining jig (100) of claim 1, characterized in that: the pressure maintaining assembly (30) further comprises a main body block (32), the main body block (32) is provided with a movable hole (321) for accommodating the upper movable block (37) and a movable groove (322) which penetrates through the front end wall of the movable hole (321), the indicating rod (38) is suspended in the movable groove (322), and the scales (3220) are arranged on the front surface of the front end wall.

4. The pressure maintaining jig (100) of claim 1, characterized in that: the lower surface of the upper movable block (37) is provided with a concave part (370), and the pressure maintaining block (35) is partially positioned in the concave part (370).

5. The pressure maintaining jig (100) of claim 4, characterized in that: the upper surface of the pressure maintaining block (35) is provided with a positioning hole (353) for positioning the lower end of the spring (36), and the upper end of the spring (36) abuts against the inner top wall of the concave part (370).

6. The pressure maintaining jig (100) of claim 1, characterized in that: the pressure maintaining assembly (30) further comprises a lower movable block (34) located below the upper movable block (37), the pressure maintaining block (35) comprises an enlarged portion (351) and a reduced portion (352) extending downward from the enlarged portion (351), the lower movable block (34) is provided with a through hole (340) for the reduced portion (352) to pass through, and the enlarged portion (351) is larger than the through hole (340).

7. The pressure maintaining jig (100) of claim 1, characterized in that: the enlarged portion (351) is located between the lower movable block (34) and the upper movable block (37), and abuts downward against the lower movable block (34).

8. The pressure maintaining jig (100) of claim 1, characterized in that: go up movable block (37) and be equipped with spread groove (371) and cover roof (372) of spread groove (371), roof (372) are equipped with and run through from top to bottom spacing groove (373) of roof (372), spacing groove (373) with spread groove (371) forward respectively extend to go up the lateral surface of movable block (37), connecting rod (393) with spacing groove (373) fixed connection.

9. The pressure maintaining jig (100) of claim 8, characterized in that: the connecting rod (393) comprises an upper section (3931), a middle section (3932) and a lower section (3933) which are connected up and down, the outer diameter of the middle section (3932) is smaller than that of the upper section (3931) and the lower section (3933), the middle section (3932) is located in the limiting groove (373), the upper section (3931) is located above the top wall (372), the lower section (3933) is located in the connecting groove (371), and the outer diameters of the upper section (3931) and the lower section (3933) are both larger than the width of the limiting groove (373) to limit the middle section (3932) to be separated from the limiting groove (373).

10. The pressure maintaining jig (100) of claim 1, characterized in that: the pressure maintaining assembly (30) further comprises a rotating cover (31) rotatably connected with the base (10) and a main body block (32) accommodating the spring (36), the pressure maintaining block (32) and the upper movable block (37), wherein the main body block (32) is fixed on the rotating cover (31) to move along with the rotating cover (31).

11. The pressure maintaining jig (100) of claim 10, characterized in that: the rotating cover (31) comprises an upper containing hole (314) and a lower containing hole (315) which are connected up and down, the lower end of the main body block (32) is fixed in the upper containing hole (314), and the pressure retaining block (35) penetrates through the lower containing hole (315) downwards to abut against the object to be pressure retained (50).

12. The pressure maintaining jig (100) of claim 10, characterized in that: the base is characterized by further comprising a buckle assembly (40), wherein the buckle assembly (40) comprises a support (41), a buckle arm (42) and a rotating shaft (43), the support (41) is fixed on the front end face of the base (10), the buckle arm (42) is rotatably connected with the support (41) through the rotating shaft (43), and the buckle arm (42) is provided with a buckle convex part (420) used for being downwards buckled on the rotating cover (31).