CN212286493U

CN212286493U - Centre gripping frock and subsides dress equipment

Info

Publication number: CN212286493U
Application number: CN202020996939.9U
Authority: CN
Inventors: 艾银华; 杨宗其
Original assignee: Dongguan Gaowei Optical Electronics Co ltd
Current assignee: Dongguan Gaowei Optical Electronics Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-05
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a clamping tool and mounting equipment, wherein the clamping tool comprises a jig and a fixing device, and the jig comprises a fourth bottom plate and a plurality of clamps arranged on the fourth bottom plate; the fixing device comprises a movable push block bottom plate and a push block guide rail capable of enabling the push block bottom plate to move along, a plurality of push block driving pins corresponding to the clamps are arranged on the push block bottom plate, and the corresponding clamps are opened through the push block driving pins when the push block bottom plate moves. When the substrate needs to be taken and placed in the mounting equipment, the push block driving pin in the fixing device correspondingly opens the fixtures in the jig, the opening of each fixture is completed through the push block driving pin, the operation is simple and convenient, and the efficiency is obviously improved. The utility model discloses but wide application in SMT and semiconductor manufacturing technical field.

Description

Centre gripping frock and subsides dress equipment

Technical Field

The utility model relates to a SMT and semiconductor manufacturing technical field, in particular to centre gripping frock and subsides dress equipment.

Background

In the fields of SMT (surface mount technology) and semiconductor manufacturing, the substrate can not be effectively fixed in the jig due to the tolerance between the jig and the substrate, and the substrate is easy to move, so that when the substrate is processed, if components such as capacitors and resistors are welded on the substrate, the substrate moves or the components are welded due to the positioning deviation caused by the movement, and the whole product is scrapped.

At present, common clamps adopt an external fixing device, and the base plate is fixed in a manual or semi-automatic mode, so that the operation is complex and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

For solving at least one among the above-mentioned technical problem, improve the efficiency of anchor clamps fixed baseplate, the utility model provides a centre gripping frock and subsides dress equipment, the technical scheme who adopts as follows:

the utility model provides a clamping tool comprises a jig and a fixing device, wherein the jig comprises a fourth bottom plate and a plurality of clamps arranged on the fourth bottom plate; the fixing device comprises a movable push block bottom plate and a push block guide rail capable of enabling the push block bottom plate to move along, a plurality of push block driving pins corresponding to the clamps are arranged on the push block bottom plate, and the corresponding clamps are opened through the push block driving pins when the push block bottom plate moves.

Furthermore, the fourth bottom plate is formed with at least two fixture positioning holes, the fixing device comprises at least two positioning pin bases, and fixture positioning pins corresponding to the fixture positioning holes are installed in each positioning pin base.

Furthermore, the fixing device comprises an emission sensor and a receiving sensor which are arranged oppositely, each clamp positioning pin is linearly distributed between the emission sensor and the receiving sensor, each clamp positioning pin penetrates through the corresponding positioning pin base, the clamp positioning pins are jacked up in the positioning pin bases through springs, a signal through hole for the optical signal of the emission sensor to pass through is formed in the lower end of each clamp positioning pin, and each signal through hole forms a signal channel.

Furthermore, the middle part of the clamp positioning pin is formed with a limiting pin, and the positioning pin base is formed with a limiting guide groove for the limiting pin to move along.

Furthermore, the lower part of the clamp positioning pin is fixedly provided with a limiting ring used for propping against the positioning pin base.

Further, the top end of the clamp positioning pin is conical.

Further, the fixing device comprises a driving assembly, and the output end of the driving assembly pushes the push block bottom plate through a driving connecting rod.

Furthermore, one end of the driving connecting rod is hinged to the output end of the driving assembly, the other end of the driving connecting rod is hinged to the connecting module, the push block bottom plate is mounted on the connecting module, and the driving assembly pushes the connecting module to move along the push block guide rail.

Furthermore, the push block bottom plate forms an included angle with the pushing direction of the output end of the driving assembly along the moving direction of the push block guide rail.

Further, the fixture comprises a first accommodating part for placing the substrate, a second pushing block for abutting against the substrate and a third sliding groove for allowing the second pushing block to move along, the first accommodating part is formed on the fourth base plate, the first accommodating part is provided with an accommodating area for placing the substrate, the first accommodating part is provided with a first blocking part which is matched with the second pushing block and used for fixing the substrate, the third sliding groove is formed on the fourth base plate, a third elastic part for pushing the second pushing block is arranged at the rear end of the third sliding groove, the third elastic part pushes the second pushing block to fix the substrate, and a second limiting hole for inserting the pushing block driving pin is formed in the second pushing block.

Further, the clamping tool further comprises a proximity sensor.

The utility model provides a subsides dress equipment includes the centre gripping frock.

The utility model discloses following beneficial effect has at least: when the substrate needs to be taken and placed in the mounting equipment, the push block driving pin in the fixing device correspondingly opens the fixtures in the jig, the opening of each fixture is completed through the push block driving pin, the operation is simple and convenient, and the efficiency is obviously improved. The utility model discloses but wide application in SMT and semiconductor manufacturing technical field.

Drawings

FIG. 1 is a block diagram of a fixture;

FIG. 2 is an exploded view of the fixture, showing the drive assembly and the sixth base plate;

FIG. 3 is a block diagram of a locating pin base and a fixture locating pin;

FIG. 4 is a view showing the structure of the jig;

FIG. 5 is a structural view of a second push block;

FIG. 6 is a top view of a second pusher;

fig. 7 is an exploded view of the clip.

Reference numerals: 101. a first receptacle portion; 102. a second push block; 103. a second thrust surface; 104. a second slider; 105. a fourth base plate; 106. a second limiting hole; 107. a third elastic member; 108. positioning holes of the clamp; 201. a push block bottom plate; 202. a push block guide rail; 203. a push block driving pin; 204. a positioning pin base; 205. a clamp positioning pin; 206. a signal via; 207. a spacing pin; 208. a limiting guide groove; 209. a limiting ring; 210. a drive assembly; 211. a drive link; 212. a connection module; 213. a sixth chassis base; 214. a seventh base plate; 215. a launch cradle; 216. receiving a bracket; 217. a push block sliding block.

Detailed Description

The present invention will be further described with reference to fig. 1 to 7.

The utility model relates to a surface mounting equipment, it includes the centre gripping frock, places in the centre gripping frock in the surface mounting equipment for get and put the base plate.

The utility model relates to a centre gripping frock, it includes tool and fixing device, and the tool includes fourth bottom plate 105 and arranges a plurality of anchor clamps at fourth bottom plate 105, and anchor clamps are used for the centre gripping base plate, and fixing device is used for opening anchor clamps and conveniently gets and put the base plate. The fixing device is located in the mounting equipment, the mounting equipment is provided with a conveying mechanism used for conveying the jig, the jig is conveyed to the upper side of the fixing device, the conveying mechanism fixes the jig, and the fixing device opens each clamp in the jig.

The fixing device comprises a movable push block bottom plate 201 and a push block guide rail 202 which can be used for enabling the push block bottom plate 201 to move along, a plurality of push block driving pins 203 corresponding to all the clamps are arranged on the push block bottom plate 201, and when the push block bottom plate 201 moves, the corresponding clamps are opened through the push block driving pins 203.

In some embodiments, the fixture includes a first accommodating portion 101 for placing the substrate, a second pushing block 102 for pushing against the substrate, and a third sliding slot along which the second pushing block 102 can move. The first accommodating portion 101 is formed on the fourth bottom plate 105, the first accommodating portion 101 has an accommodating area for placing the substrate, and the first accommodating portion 101 has a first blocking portion for fixing the substrate in cooperation with the second pushing block 102. The third sliding groove is formed in the fourth bottom plate 105, a third elastic member 107 for pushing the second push block 102 is disposed at a rear end of the third sliding groove, and the third elastic member 107 pushes the second push block 102 to fix the substrate. The second push block 102 is formed with a second limiting hole 106 into which the push block driving pin 203 can be inserted, the bottom of the third sliding groove is formed with a kidney-shaped through hole, the kidney-shaped through hole is arranged along the moving direction of the second push block 102, and the push block driving pin 203 is inserted into the second limiting hole 106 after passing through the kidney-shaped through hole.

In some embodiments, the third elastic member 107 is a torsion spring or a compression spring, and in the initial state of the clamp, the third elastic member 107 pushes the second pushing block 102 to be in the clamping position. The moving direction of the push block bottom plate 201 is parallel to the opening and closing direction of the clamp, that is, the push block bottom plate 201 pushes the second push block 102 to open the clamp, and the third elastic member 107 pushes the second push block 102 to lock the clamp.

The process of opening and closing the clamp by the fixing device is as follows: the pushing block bottom plate 201 moves, the pushing block driving pin 203 inserted into the second limiting hole 106 pushes the second pushing block 102 to retreat relative to the accommodating area, at the moment, the clamp is opened, the substrate is placed into the accommodating area, the second pushing block 102 resets in the third sliding groove, and the second pushing block 102 and the first blocking portion are fixed by the elasticity of the third elastic piece 107.

In some embodiments, the front end of the second push block 102 is formed with two second thrust surfaces 103 for abutting against the substrate, the two second thrust surfaces 103 have an included angle, the first blocking portion has two first thrust surfaces for abutting against the substrate, the two first thrust surfaces have an included angle, and a resultant direction of resistance forces of the two first thrust surfaces facing the substrate is opposite to a resultant direction of thrust forces of the two second thrust surfaces 103 facing the substrate.

The substrate is generally rectangular, and the accommodating area is a rectangular concave part. In some embodiments, the bottom of the rectangular recess has a supporting surface, the third sliding groove and the first accommodating portion 101 are respectively located at two opposite top corners of the accommodating area, the two first thrust surfaces are two adjacent side walls of the accommodating area, and the second push block 102 reciprocates along a diagonal line where the third sliding groove is located.

In some embodiments, the two side walls of the third sliding chute are respectively formed with a third guiding groove, and the two sides of the second pushing block 102 are respectively formed with a second sliding block 104 moving along the third guiding groove.

In some embodiments, a third limiting portion is formed at an upper portion of the tail end of the third sliding chute, the third limiting portion extends into the third sliding chute, and the third limiting portion and two side walls of the third sliding chute and an end wall of the tail end form a space for placing an end portion of the third elastic member 107, so as to prevent the third elastic member 107 from being separated. In some embodiments, the rear end of the second pushing block 102 is formed with a second recess for placing the end of the third elastic member 107, so as to prevent the third elastic member 107 from falling out.

In some embodiments, the fixing device includes a driving assembly 210, and an output end of the driving assembly 210 pushes the push block bottom plate 201 through a driving link 211. In some embodiments, one end of the driving link 211 is hinged to the output end of the driving assembly 210, the other end is hinged to the connection module 212, the push block base plate 201 is mounted on the connection module 212, and the driving assembly 210 pushes the connection module 212 to move along the push block guide 202. The connecting module 212 moves along the pusher rail 202 via a pusher block 217, and the pusher block 217 is formed with a pusher runner.

In some embodiments, the drive assembly 210 employs a linear motor. In some embodiments, the driving assembly 210 is a cylinder assembly including a cylinder, a solenoid valve signal line, an output air pipe, a throttle valve, and a pressure regulating valve. The electromagnetic valve is used for driving the cylinder to move back and forth, an electromagnetic valve signal line provides an electric signal for the electromagnetic valve to move, the output air pipe is connected with the electromagnetic valve and the cylinder and used for transmitting compressed air required by the cylinder, the throttle valve is used for adjusting the flow of the compressed air so as to control the movement speed of the cylinder, and the air pressure adjusting valve is used for adjusting the pressure of a compressed air source so as to control the driving force of the cylinder.

In some embodiments, the connecting module 212 is formed with a kidney-shaped hole for installing the push block bottom plate 201, so that the installation position of the push block bottom plate 201 can be adjusted along the kidney-shaped hole.

In some embodiments, the angle between the moving direction of the pusher shoe base plate 201 along the pusher shoe guide 202 and the pushing direction of the output end of the driving assembly 210 is set, and the driving assembly 210 adjusts the pushing direction of the connecting module 212 through the hinged driving link 211 when operating, so that the pusher shoe base plate 201 moves along the inclined direction. Compared with the straight and straight movement track of the push block bottom plate 201 along the output direction of the output end of the driving assembly 210, the inclined movement track with the included angle can reduce the occupied space of the fixing device.

The mounting equipment is provided with a lifting platform for mounting the fixing device. The fixing device is installed in the mounting device through the sixth bottom plate 213, and after the jig in the mounting device moves to the position above the fixing device, the mounting device raises the fixing device, so that the pushing block driving pin 203 is inserted into the corresponding second limiting hole 106 of the second pushing block 102, and the substrate is taken and placed by starting to operate.

In some embodiments, the clamping tool further includes a proximity sensor, the proximity sensor is installed in the mounting device and is used for monitoring whether the fixing device is lifted to a proper position, and after the fixing device is lifted to the proper position, the proximity sensor triggers a signal to start the operation of the driving assembly 210.

In some embodiments, the pusher rail 202 is mounted to the sixth base plate 213 via a seventh base plate 214.

In some embodiments, at least two fixture positioning holes 108 are formed in the fourth base plate 105, the fixing device includes at least two positioning pin bases 204, each positioning pin base 204 is installed on the seventh base plate 214, a fixture positioning pin 205 corresponding to the fixture positioning hole 108 is installed in each positioning pin base 204, when the fixing device ascends to the fixture and moves toward the fixture, the fixing device and the fixture are pre-positioned by matching the fixture positioning pin 205 with the corresponding fixture positioning hole 108, which is beneficial for the push block driving pin 203 to accurately enter the corresponding second limiting hole 106.

In some embodiments, the tips of the clamp alignment pins 205 are tapered.

In some embodiments, the positioning pin base 204 is formed with a waist-shaped hole for mounting with the seventh bottom plate 214, the seventh bottom plate 214 is formed with a waist-shaped hole for mounting with the sixth bottom plate 213, and the waist-shaped hole of the positioning pin base 204 is parallel to the length direction of the waist-shaped hole of the seventh bottom plate 214, so as to facilitate the adjustment of the position of the positioning pin 205 of the fixture. In addition, in order to facilitate the adjustment of the installation position of the push block base plate 201, the waist-shaped hole of the seventh base plate 214 is parallel to the length direction of the waist-shaped hole of the connection module 212.

In some embodiments, the fixture includes oppositely disposed transmitting sensors and receiving sensors, the transmitting sensors are mounted on the seventh base plate 214 by a transmitting bracket 215, and the receiving sensors are mounted on the seventh base plate 214 by a receiving bracket 216. The transmitting bracket 215 and the receiving bracket 216 are formed with a vertical kidney-shaped hole mounted with the seventh base plate 214 to facilitate the position adjustment of the transmitting sensor and the receiving sensor in the vertical direction, which is herein understood to be parallel to the direction in which the fixing device is lifted and lowered.

Each clamp positioning pin 205 is linearly distributed between the transmitting sensor and the receiving sensor, each clamp positioning pin 205 penetrates through the corresponding positioning pin base 204, a signal through hole 206 for the optical signal of the transmitting sensor to pass through is formed at the lower end of each clamp positioning pin 205, and each signal through hole 206 forms a signal channel. The clamp positioning pin 205 is jacked up by a spring in the positioning pin base 204, so that the clamp positioning pin 205 is always in a high position. The spring is a compression spring, the spring is sleeved on the fixture positioning pin 205, a limiting part is formed on the side surface of the fixture positioning pin 205, and the spring jacks the fixture positioning pin 205 by abutting against the limiting part.

If the direction or position of the fixture in the mounting equipment transmission system is abnormal, the position of the fixing device deviates from the position of the fixture, the fixture positioning pin 205 deviates from the corresponding fixture positioning hole 108, so that the fixture positioning pin 108 cannot pass through the fixture positioning hole, and the fixture positioning pin 205 overcomes the action force of a spring to press down, so that the receiving sensor cannot receive the optical signal of the transmitting sensor, a safety signal is triggered, a safety loop of the mounting equipment is disconnected, emergency stop is executed, and faults can be avoided. The fixture positioning pin 205 is used for safety monitoring, and if the receiving sensor cannot receive the optical signal in the above process, the mounting device cannot be started. When the receiving sensor and the transmitting sensor cannot perform information interaction, the position of each clamp in the fixture and the fixing device is proved to have deviation, the normal process flow cannot be performed, the mounting equipment stops operating, the fault is avoided, and the fixture can be prevented from being damaged by the clamp positioning pin 205.

In some embodiments, the clamp positioning pin 205 has a limiting pin 207 formed at the middle thereof, and the positioning pin base 204 has a limiting guide groove 208 formed therein for allowing the limiting pin 207 to move along. The limiting pin 207 can limit the clamp positioning pin 205 to rotate in the positioning pin base 204, so that the abnormal work of the safety information interaction unit is avoided.

In some embodiments, a limiting ring 209 for abutting against the positioning pin base 204 is fixedly installed at the lower portion of the fixture positioning pin 205, and the limiting ring 209 is fixed by a locking pin abutting against the side surface of the fixture positioning pin 205 for adjusting the height of the fixture positioning pin 205.

The utility model discloses in, place the fixing device in place in the subsides dress equipment transmission system, utilize the general theory of operation of subsides dress equipment, cooperation proximity sensor provides drive signal for fixing device, utilizes the combination of anchor clamps locating pin 205, transmission sensor and receiving sensor, establishes ties the safety circuit of subsides dress equipment, realizes that the safety signal of centre gripping frock and subsides dress equipment is mutual, and the centre gripping frock links to each other with subsides dress equipment is organic, realizes the automatic operation of centre gripping frock in the SMT paster, improves production efficiency and product quality.

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, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a centre gripping frock which characterized in that: comprises that

A jig comprising a fourth base plate (105) and a plurality of clamps arranged on the fourth base plate (105);

the fixture comprises a movable push block bottom plate (201) and push block guide rails (202) for enabling the push block bottom plate (201) to move along, a plurality of push block driving pins (203) corresponding to the clamps are arranged on the push block bottom plate (201), and the corresponding clamps are opened through the push block driving pins (203) when the push block bottom plate (201) moves.

2. The clamping tool of claim 1, wherein: at least two clamp positioning holes (108) are formed in the fourth base plate (105), the fixing device comprises at least two positioning pin bases (204), and clamp positioning pins (205) corresponding to the clamp positioning holes (108) are installed in each positioning pin base (204).

3. The clamping tool of claim 2, wherein: the fixing device comprises an emission sensor and a receiving sensor which are arranged oppositely, each clamp positioning pin (205) is linearly distributed between the emission sensor and the receiving sensor, each clamp positioning pin (205) penetrates through the corresponding positioning pin base (204), the clamp positioning pins (205) are jacked up by springs in the positioning pin bases (204), a signal through hole (206) for light signals of the emission sensor to pass through is formed in the lower end of each clamp positioning pin (205), and each signal through hole (206) forms a signal channel.

4. The clamping tool of claim 3, wherein: a limiting pin (207) is formed in the middle of the clamp positioning pin (205), and a limiting guide groove (208) for the limiting pin (207) to move along is formed in the positioning pin base (204).

5. The clamping tool of claim 3, wherein: and the lower part of the clamp positioning pin (205) is fixedly provided with a limiting ring (209) used for propping against the positioning pin base (204).

6. The clamping tool according to claim 2 or 3, characterized in that: the top end of the clamp positioning pin (205) is conical.

7. The clamping tool of claim 1, wherein: the fixing device comprises a driving assembly (210), and the output end of the driving assembly (210) pushes the push block bottom plate (201) through a driving connecting rod (211).

8. The clamping tool of claim 7, wherein: one end of the driving connecting rod (211) is hinged to the output end of the driving component (210), the other end of the driving connecting rod is hinged to the connecting module (212), the push block bottom plate (201) is mounted on the connecting module (212), and the driving component (210) pushes the connecting module (212) to move along the push block guide rail (202).

9. The clamping tool of claim 8, wherein: the push block bottom plate (201) forms an included angle with the pushing direction of the output end of the driving component (210) along the moving direction of the push block guide rail (202).

10. The clamping tool of claim 1, wherein: the clamp comprises a first accommodating part (101) for placing a substrate, a second pushing block (102) for pushing against the substrate and a third sliding groove along which the second pushing block (102) can move, the first accommodating part (101) is formed on the fourth bottom plate (105), the first accommodating part (101) is provided with an accommodating area for placing a substrate, the first accommodating part (101) is provided with a first blocking part which is matched with the second push block (102) and is used for fixing the substrate, the third sliding chute is formed on the fourth bottom plate (105), a third elastic piece (107) used for pushing the second push block (102) is arranged at the rear end of the third sliding chute, the third elastic piece (107) pushes the second push block (102) to fix the substrate, the second push block (102) is formed with a second limiting hole (106) for the push block driving pin (203) to insert into.

11. The clamping tool according to claim 1 or 10, characterized in that: a proximity sensor is also included.

12. A mounting apparatus characterized in that: comprising a clamping fixture according to any one of claims 1 to 11.