CN211491026U - Full-automatic feeding and discharging mechanism for grinding machine - Google Patents

Abstract

The utility model relates to a full-automatic unloading mechanism of going up for grinder, including the displacement subassembly that is used for actuating mechanism whole along X axle and Z axle direction motion, the front end lower part of displacement subassembly sets up the centre gripping subassembly, and the top of centre gripping subassembly links up the buffering subassembly, and the centre gripping subassembly passes through the buffering subassembly and installs to the displacement subassembly on, and the below of centre gripping subassembly corresponds the charging tray subassembly that sets up to be used for placing the welding needle. The utility model adopts the clamping jaw designed according to the appearance of the welding pin to replace manual grabbing and clamping, and the clamping is accurate and firm; the buffer assembly is compact in structure, installation space is saved, two modes of spring buffering and sliding block buffering are integrated, collision energy is effectively absorbed when mistaken contact occurs, damage to a welding pin and a clamping jaw is avoided, and stability of a machining process and safety of equipment are improved; the position adjustment in the X/Z axis direction is realized through the displacement assembly, the welding pins are rotated to the positions convenient for clamping through the rotation of the material tray, and the positioning is accurate.

Description

Full-automatic feeding and discharging mechanism for grinding machine

Technical Field

The utility model belongs to the technical field of the grinding machine technique and specifically relates to a full-automatic unloading mechanism of going up of grinder.

Background

The semiconductor welding needle is mainly used in the field of semiconductor chip packaging, the aperture of a product is small, the precision is high, the market demand is huge, the automation of semiconductor welding needle processing is urgent along with the increase of labor cost, and the automation of loading and unloading is the premise of automatic processing. In the past, when a semiconductor welding pin is machined, a plurality of manufacturers still use tweezers to manually feed and discharge materials, so that the efficiency is low, operators are easy to fatigue, and the management cost is high. Some manufacturers try an automatic scheme, but due to the defects in design, the success rate of automatic feeding and discharging is low, the problem that the welding pin is crushed due to inaccurate positioning precision is caused, the defective rate of the welding pin is increased, a corresponding mechanical device is damaged, and the automatic feeding and discharging device cannot be used for production really.

SUMMERY OF THE UTILITY MODEL

The applicant provides a full-automatic unloading mechanism of going up for grinder to shortcoming among the above-mentioned prior art to snatch through the clamping jaw and replace manual operation with the centre gripping, realize automatic clamping, and be equipped with the buffering subassembly, effectively reduce because of the location inaccurate and take place the impact when mistake touches, avoid the damage of welding pin and clamping jaw.

The utility model discloses the technical scheme who adopts as follows:

a full-automatic loading and unloading mechanism for a grinding machine comprises a displacement assembly for driving the whole mechanism to move along the directions of an X axis and a Z axis, wherein a clamping assembly is arranged at the lower part of the front end of the displacement assembly, a buffer assembly is arranged above the clamping assembly, the clamping assembly is arranged on the displacement assembly through the buffer assembly, and a material tray assembly for placing a welding needle is correspondingly arranged below the clamping assembly;

the structure of the buffer assembly is as follows: including "worker" font stopper that sets up along the Z axle direction, the stopper includes upper cross arm and lower xarm that parallel interval set up from top to bottom, and the bottom of lower xarm links up with the top of centre gripping subassembly, and the lower carriage is installed to the below of upper cross arm, and the relative lower carriage in top of upper cross arm sets up the upper bracket, and the upper cross arm top links up with the upper bracket bottom through a plurality of evenly distributed's spring.

The further technical scheme is as follows:

the displacement assembly comprises a base plate arranged along the X-axis direction, a first electric displacement platform parallel to the upper edge of the base plate is arranged on the base plate, the first electric displacement platform comprises a first sliding block, the front end face of the first sliding block is fixedly connected with a first vertical plate arranged along the Z-axis direction, a second electric displacement platform parallel to the first vertical plate is arranged on the first vertical plate, the second electric displacement platform comprises a second sliding block, and the front end face of the second sliding block is fixedly connected with a second vertical plate parallel to the first vertical plate;

the limiting block also comprises a central column, and the middle part of the bottom surface of the upper cross arm is fixedly connected with the middle part of the top surface of the lower cross arm through the central column;

the lower support comprises a middle cross arm and side arms which are arranged in a bilateral symmetry mode, the rear ends of the two side arms are fixedly connected with the second vertical plate, the front ends of the two side arms are connected through the middle cross arm and are enclosed with the middle cross arm to form a T-shaped structure in a semi-encircling mode around the central column, the distance between the opposite wall surfaces of the two side arms is smaller than the length of the upper cross arm, the lower support and the upper support are both vertically installed with the second vertical plate, and the structure of the upper support is the same as that of the lower support;

the buffer assembly further comprises a buffer sliding block and a buffer sliding rail which are arranged between the limiting block and the second vertical plate, the buffer sliding rail is installed on the front end face of the second vertical plate, the buffer sliding block is installed on the buffer sliding rail, and the bottom of the buffer sliding block is also connected with the top of the clamping assembly, so that the buffer sliding block and the limiting block integrally do linear motion along the Z-axis direction;

the clamping assembly comprises a mounting plate arranged at the lower part of the front end face of the second vertical plate, a plurality of air cylinder assemblies are arranged at the lower part of the front end face of the mounting plate, each air cylinder assembly comprises a plurality of driving air cylinders arranged along the Z-axis direction, each driving air cylinder is provided with a plurality of clamping jaws, and the inner sides of the clamping jaws are provided with clamping grooves matched with the peripheral shapes of the welding pins to be clamped;

the clamping jaw is also arranged along the Z-axis direction, and the clamping groove at the inner side of the clamping jaw is of a V-shaped structure;

an air cylinder sliding block and an air cylinder sliding rail are further arranged between the bottom of each driving air cylinder and the mounting plate, the air cylinder sliding rail is fixedly connected to the bottom of the mounting plate and is parallel to the first electric moving table, and each driving air cylinder is mounted on the air cylinder sliding rail through the air cylinder sliding block;

the material tray assembly comprises a third vertical plate arranged along the Z-axis direction, a third motor is fixedly connected to the lower portion of one end face of the third vertical plate, an installation block vertically and fixedly connected to the third vertical plate is arranged above the third motor, a welding needle material tray is installed on the top surface of the installation block through a bearing, a through hole is formed in the center of the welding needle material tray, a driving shaft is installed in the through hole, a coupler is arranged below the installation block, the driving shaft is matched with an output shaft of the third motor through the coupler, and a manual sliding table is further installed at the bottom of the other end face of the third vertical plate;

the welding needle charging tray is arranged below a track formed by the clamping assembly moving along the X-axis direction, is of a disc-shaped structure, a plurality of circles of welding needle fixing holes are uniformly distributed around the axis of the disc-shaped structure, and welding needles are inserted into the welding needle fixing holes.

The utility model has the advantages as follows:

the utility model discloses rational in infrastructure, convenient operation, the whole process of actions such as location, last unloading, welding pin position switch is through electric structural control, can completely realize the process of unloading in full-automatic, and supporting buffer structure, effective protection processing product and equipment, safe and reliable, it is stable high-efficient.

Compared with the prior art, the method has the following advantages:

a clamping assembly: the clamping jaw is designed according to the appearance of the welding pin, and the clamping jaw is matched with a finger cylinder capable of simulating the movement of a human hand to replace manual work for grabbing and clamping, so that the automation of feeding and discharging is realized, and the clamping is accurate and firm;

a buffer assembly: the buffer assembly is compact in structure, installation space is saved, two modes of spring buffering and sliding block buffering are integrated, collision energy can be effectively absorbed when mistaken touch occurs due to inaccurate positioning, damage to a welding needle and a clamping jaw is avoided, and stability of a machining process and safety of equipment are improved;

displacement subassembly and charging tray: realize X axle and Z axle direction position adjustment through the displacement subassembly, rotate the position of getting the welding needle rotation to being convenient for through the charging tray, the location is accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a partially enlarged view of C in fig. 1.

Wherein: 1. a displacement assembly; 101. a substrate; 102. a first electrotransport platform; 1021. a first motor; 1022. a first slider; 103. a first vertical plate; 104. a second electrotransport platform; 1041. a second motor; 1042. a second slider; 105. a second vertical plate; 2. a buffer assembly; 201. an upper bracket; 202. a spring; 203. a lower bracket; 2031. a side arm; 2032. a middle cross arm; 204. a limiting block; 2041. an upper cross arm; 2042. a central column; 2043. a lower cross arm; 205. a buffer slide block; 206. buffering the slide rail; 3. a clamping assembly; 301. mounting a plate; 302. a driving cylinder; 3021. moving the chuck; 303. a clamping jaw; 3031. a clamping groove; 304. a cylinder slider; 305. a cylinder slide rail; 4. a tray assembly; 401. a drive shaft; 402. a welding pin tray; 403. mounting blocks; 404. a coupling; 405. a third vertical plate; 406. a manual slide table; 407. a third motor; 4071. an output shaft; 5. welding pins; 6. and (5) processing the jig.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the utility model comprises a displacement assembly 1 for driving the whole body of the mechanism to move along the directions of the X axis and the Z axis, a clamping assembly 3 is arranged at the lower part of the front end of the displacement assembly 1, a buffering assembly 2 is arranged above the clamping assembly 3, the clamping assembly 3 is arranged on the displacement assembly 1 through the buffering assembly 2, and a tray assembly 4 for placing a welding pin 5 is correspondingly arranged below the clamping assembly 3;

the structure of the buffer assembly 2 is as follows: including "worker" font stopper 204 that sets up along the Z axle direction, stopper 204 includes upper cross arm 2041 and lower xarm 2043 that parallel interval set up from top to bottom, and the bottom of lower xarm 2043 links up with the top of centre gripping subassembly 3, and the lower carriage 203 is installed to the below of upper cross arm 2041, and the relative lower carriage 203 in upper cross arm 2041's top sets up upper bracket 201, and the top of upper cross arm 2041 links up with upper bracket 201 bottom through a plurality of evenly distributed's spring 202.

The displacement assembly 1 comprises a substrate 101 arranged along an X-axis direction, a first electrical displacement table 102 parallel to the upper edge of the substrate 101 is mounted on the substrate 101, the first electrical displacement table 102 comprises a first sliding block 1022, the front end surface of the first sliding block 1022 is fixedly connected with a first vertical plate 103 arranged along a Z-axis direction, a second electrical displacement table 104 arranged parallel to the first vertical plate 103 is mounted on the first vertical plate 103, the second electrical displacement table 104 comprises a second sliding block 1042, and the front end surface of the second sliding block 1042 is fixedly connected with a second vertical plate 105 parallel to the first vertical plate 103. The limiting block 204 further includes a central column 2042, and the middle of the bottom surface of the upper cross arm 2041 is fixedly connected with the middle of the top surface of the lower cross arm 2043 through the central column 2042.

As shown in fig. 1 and 2, the lower bracket 203 includes a middle cross arm 2032 and side arms 2031 symmetrically arranged left and right, rear ends of the two side arms 2031 are fixedly connected to the second vertical plate 105, front ends of the two side arms 2031 are connected by the middle cross arm 2032 and form a "T" shaped structure surrounding the center post 2042 with the middle cross arm 2032, a distance between the two side arms 2031 and the opposite wall surface is less than a length of the upper cross arm 2041, the lower bracket 203 and the upper bracket 201 are vertically installed with the second vertical plate 105, and a structure of the upper bracket 201 is the same as that of the lower bracket 203. The buffer assembly 2 further comprises a buffer sliding block 205 and a buffer sliding rail 206 which are arranged between the limiting block 204 and the second vertical plate 105, the buffer sliding rail 206 is installed on the front end face of the second vertical plate 105, the buffer sliding block 205 is installed on the buffer sliding rail 206, and the bottom of the buffer sliding block 205 is also connected with the top of the clamping assembly 3, so that the buffer sliding block 205 and the limiting block 204 integrally move linearly along the Z-axis direction.

As shown in fig. 1 and 3, the clamping assembly 3 includes a mounting plate 301 disposed at a lower portion of a front end surface of the second vertical plate 105, a plurality of cylinder assemblies are mounted at a lower portion of the front end surface of the mounting plate 301, each cylinder assembly includes a plurality of driving cylinders 302 disposed along the Z-axis direction, each driving cylinder 302 is mounted with a plurality of clamping jaws 303, and a clamping groove 3031 adapted to an outer peripheral shape of the welding pin 5 to be clamped is formed inside each clamping jaw 303. The clamping jaw 303 is also arranged along the Z-axis direction, and a clamping groove 3031 on the inner side of the clamping jaw 303 is of a V-shaped structure. An air cylinder sliding block 304 and an air cylinder sliding rail 305 are further arranged between the bottom of the driving air cylinder 302 and the mounting plate 301, the air cylinder sliding rail 305 is fixedly connected to the bottom of the mounting plate 301 and is parallel to the first electric moving table 102, and the driving air cylinders 302 are respectively mounted on the air cylinder sliding rail 305 through the air cylinder sliding blocks 304.

As shown in fig. 1 and 4, the tray assembly 4 includes a third vertical plate 405 arranged along the Z-axis direction, a third motor 407 is fixedly connected to a lower portion of one end surface of the third vertical plate 405, an installation block 403 vertically and fixedly connected to the third vertical plate 405 is arranged above the third motor 407, a welding pin tray 402 is installed on a top surface of the installation block 403 through a bearing, a through hole is formed in a center of the welding pin tray 402, a driving shaft 401 is installed in the through hole, a coupling 404 is arranged below the installation block 403, the driving shaft 401 is matched with an output shaft 4071 of the third motor 407 through the coupling 404, and a manual sliding table 406 is further installed at the bottom of the other end surface of the third vertical plate 405. The welding needle tray 402 is arranged below a track formed by the movement of the clamping component 3 along the X-axis direction, the welding needle tray 402 is of a disc-shaped structure, a plurality of circles of welding needle fixing holes are uniformly distributed around the axis of the disc-shaped structure, and welding needles 5 are inserted into the welding needle fixing holes.

The utility model discloses a concrete working process as follows:

in this embodiment, the clamping assembly 3 includes two driving cylinders 302 arranged left and right;

a driving cylinder 302 in the clamping assembly 3 is a finger cylinder, the bottom of the driving cylinder 302 is provided with a plurality of moving chucks 3021, each moving chuck 3021 can be opened outwards or opened towards two sides, each moving chuck 3021 is fixedly connected with a clamping jaw 303, and each driving cylinder 302 in the embodiment is provided with two moving chucks 3021;

the driving air cylinder 302 on the left side realizes the feeding operation through the clamping jaw 303 matched with the driving air cylinder 302, and the driving air cylinder 302 on the right side realizes the blanking operation through the clamping jaw 303 matched with the driving air cylinder.

In this embodiment, the first motor 1021 and the second motor 1041 are both stepping motors, the first electrical transfer table 102 and the second electrical transfer table 104 respectively drive the mechanism to make linear motion along the X axis and the Z axis, and the first electrical transfer table 102 and the second electrical transfer table 104 are both internally provided with a lead screw transmission mechanism capable of converting the rotation of the first motor 1021 and the second motor 1041 into the sliding of the first slider 1022 and the second slider 1042.

The motion process of the mechanism comprises a feeding process and a discharging process, wherein the feeding process is as follows:

the feeding is a process of conveying the welding pins 5 in the welding pin tray 402 to the processing jig 6 by the clamping jaws 303 mounted on the left driving cylinder 302. After the displacement assembly 1 is adjusted, the left clamping jaw 303 moves to the position right above the material tray assembly 4, the second electric transfer table 104 drives the left clamping jaw 303 to move downwards along the Z-axis, and the V-shaped clamping groove 3031 on the clamping jaw 303 can effectively clamp the welding needle 5. After the welding needle 5 is clamped, the left clamping jaw 303 moves upwards along the Z-axis direction, the welding needle 5 is taken out, the welding needle moves right above the processing jig 6 along the X-axis direction, then the welding needle 5 moves downwards along the Z-axis direction to be sent into the processing jig 6, then the left clamping jaw 303 is loosened, the Z-axis rises to a safe position, and the feeding is completed.

The blanking process of the mechanism is as follows:

the blanking is a process of conveying the welding pins 5 in the processing jig 6 back to the welding pin tray 402 by the driving cylinder 302 on the right side driving the clamping jaws 303 matched with the driving cylinder 302, and meanwhile, a process of reloading is also included. When the welding needle 5 is processed at other stations, the left clamping jaw 303 is moved back to the position right above the feed tray assembly 4 through adjustment of the displacement assembly 1, because the welding needle 5 at the current position of the welding needle feed tray 402 is taken out in the previous feeding operation, the welding needle feed tray 402 needs to be rotated clockwise to a material-containing position, a new welding needle 5 is taken out through downward movement of the second electric transfer table 104, then the welding needle 5 is moved along the X-axis direction, the right clamping jaw 303 is moved to the position right above the processing jig 6 to wait for blanking, after the welding needle 5 in the processing jig 6 is processed, the second electric transfer table 104 moves downward to take out the processed welding needle 5, the Z-axis is lifted to a safe position, the left clamping jaw 303 is moved to the position right above the processing jig 6 through adjustment of the displacement assembly 1, the new welding needle 5 is placed in the processing jig 6, then the Z-axis is lifted to the safe position, at this time, the welding needle feed tray 402 rotates back to a, the clamping jaw 303 on the right side moves along the X axis to return to the position right above the welding needle tray 402, the processed welding needles 5 are placed in the welding needle tray 402, the discharging process is completed, and then the welding needle tray 402 rotates clockwise to a material position to wait for next feeding.

The above processes are circularly executed, and the feeding and the blanking are completed by the cooperation of the two clamping jaws 303. If loading and unloading failures occur, energy generated by collision is absorbed through the buffer of the spring 202 and the movement of the buffer sliding block 205, and the effects of protecting the clamping jaw 303 and protecting the welding pin 5 are achieved. Wherein the upper bracket 201 and the lower bracket 203 are used for limiting the movement range of the limiting block 204, the maximum compression amount of the spring 202 is not exceeded upwards, and the upper surface of the lower bracket 203 is not lowered downwards.

The charging tray assembly 4 is also provided with a manual sliding table 406 for finely adjusting the position of the welding pin charging tray 402, and one position outside the welding pin charging tray 402 is also provided with a sensor induction sheet through a bracket for matching with an external sensor assembly to complete origin induction.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims (10)

1. The utility model provides a full-automatic unloading mechanism of going up for grinder which characterized in that: the welding device comprises a displacement assembly (1) for driving a mechanism to move integrally along the X-axis and Z-axis directions, wherein a clamping assembly (3) is arranged at the lower part of the front end of the displacement assembly (1), a buffering assembly (2) is arranged above the clamping assembly (3), the clamping assembly (3) is arranged on the displacement assembly (1) through the buffering assembly (2), and a tray assembly (4) for placing a welding pin (5) is correspondingly arranged below the clamping assembly (3);

the buffer assembly (2) is structurally characterized in that: including "worker" font stopper (204) that sets up along the Z axle direction, stopper (204) are including upper xarm (2041) and lower xarm (2043) that parallel interval set up from top to bottom, the bottom of lower xarm (2043) links up with the top of centre gripping subassembly (3), lower carriage (203) is installed to the below of upper xarm (2041), upper bracket (201) is set up relative lower carriage (203) in the top of upper xarm (2041), upper xarm (2041) top links up with upper bracket (201) bottom through a plurality of evenly distributed's spring (202).

2. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 1, is characterized in that: the displacement assembly (1) comprises a substrate (101) arranged along an X-axis direction, a first electric displacement table (102) parallel to the upper edge of the substrate (101) is mounted on the substrate (101), the first electric displacement table (102) comprises a first sliding block (1022), the front end face of the first sliding block (1022) is fixedly connected with a first vertical plate (103) arranged along a Z-axis direction, a second electric displacement table (104) parallel to the first vertical plate (103) is mounted on the first vertical plate (103), the second electric displacement table (104) comprises a second sliding block (1042), and the front end face of the second sliding block (1042) is fixedly connected with a second vertical plate (105) parallel to the first vertical plate (103).

3. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 1, is characterized in that: the limiting block (204) further comprises a central column (2042), and the middle of the bottom surface of the upper cross arm (2041) is fixedly connected with the middle of the top surface of the lower cross arm (2043) through the central column (2042).

4. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 1, is characterized in that: the lower bracket (203) comprises a middle cross arm (2032) and side arms (2031) which are arranged in bilateral symmetry, the rear ends of the two side arms (2031) are fixedly connected with the second vertical plate (105), the front ends of the two side arms (2031) are connected through the middle cross arm (2032) and are enclosed with the middle cross arm (2032) to form a T-shaped structure which surrounds the central column (2042) in a semi-circle manner, the distance between the two side arms (2031) and the wall surface is less than the length of the upper cross arm (2041),

the lower support (203) and the upper support (201) are both vertically arranged with the second vertical plate (105), and the structure of the upper support (201) is the same as that of the lower support (203).

5. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 1, is characterized in that: the buffer assembly (2) further comprises a buffer sliding block (205) and a buffer sliding rail (206) which are arranged between the limiting block (204) and the second vertical plate (105), the buffer sliding rail (206) is installed on the front end face of the second vertical plate (105), the buffer sliding block (205) is installed on the buffer sliding rail (206), the bottom of the buffer sliding block (205) is also connected with the top of the clamping assembly (3), and the buffer sliding block (205) and the limiting block (204) are integrally in linear motion along the Z-axis direction.

6. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 1, is characterized in that: the clamping assembly (3) comprises a mounting plate (301) arranged at the lower part of the front end face of the second vertical plate (105), a plurality of air cylinder assemblies are arranged at the lower part of the front end face of the mounting plate (301),

the air cylinder assembly comprises a plurality of driving air cylinders (302) arranged along the Z-axis direction, clamping jaws (303) are mounted on each driving air cylinder (302), and clamping grooves (3031) matched with the peripheral shapes of the welding pins (5) to be clamped are formed in the inner sides of the clamping jaws (303).

7. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 6, wherein: the clamping jaw (303) is also arranged along the Z-axis direction, and a clamping groove (3031) on the inner side of the clamping jaw (303) is of a V-shaped structure.

8. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 6, wherein: still set up cylinder slider (304) and cylinder slide rail (305) between the bottom of driving actuating cylinder (302) and mounting panel (301), cylinder slide rail (305) rigid coupling is in the bottom of mounting panel (301) to it is parallel with first electricity platform (102), each drives actuating cylinder (302) and installs to cylinder slide rail (305) through cylinder slider (304) respectively.

9. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 1, is characterized in that: the material tray assembly (4) comprises a third vertical plate (405) arranged along the Z-axis direction, a third motor (407) is fixedly connected to the lower portion of one end face of the third vertical plate (405), an installation block (403) vertically and fixedly connected to the third vertical plate (405) is arranged above the third motor (407), a welding needle material tray (402) is installed on the top face of the installation block (403) through a bearing, a through hole is formed in the center of the welding needle material tray (402), a driving shaft (401) is installed in the through hole, a coupler (404) is arranged below the installation block (403), and the driving shaft (401) is matched with an output shaft (4071) of the third motor (407) through the coupler (404),

and a manual sliding table (406) is further installed at the bottom of the other end face of the third vertical plate (405).

10. The full-automatic loading and unloading mechanism for the grinding machine as claimed in claim 9, wherein: welding needle charging tray (402) set up in centre gripping subassembly (3) along the orbit below that the X axle direction motion formed, welding needle charging tray (402) are the disc structure, wind a plurality of circles of welding needle fixed orificess of disc structure axle center equipartition, in each welding needle fixed orificess grafting welding needle (5).

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