CN210615839U

CN210615839U - Automatic clamping device

Info

Publication number: CN210615839U
Application number: CN201921442129.2U
Authority: CN
Inventors: 曾奎; 葛振强; 李艳
Original assignee: Ly Itech Dongguan Co
Current assignee: Ly Itech Dongguan Co
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-26
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses an automatic clamping device, including workstation, a plurality of clamp plate assembly, electromagnetic mechanism and a plurality of actuating mechanism, be equipped with a plurality of station recesses on the workstation, actuating mechanism configures to and installs clamp plate assembly to the station recess in or takes out clamp plate assembly from the station recess, and electromagnetic mechanism configures to and fixes the clamp plate assembly in the station recess. The whole process of the device is automated, the clamping can be realized only by putting the base material into the station groove, and the labor intensity of production personnel can be reduced to the greatest extent; besides, the pin assembly is adopted in the device for positioning, the clamping precision of the clamping assembly is guaranteed in a magnetic adsorption positioning mode, the base material is compressed through the pressing plate, the deviation of the base material in the machining process is avoided, the positioning precision of the plate to be machined is further improved, and the machining quality of the product is guaranteed.

Description

Automatic clamping device

Technical Field

The utility model relates to a panel adds clamping apparatus field, in particular to automatic clamping device.

Background

With the popularization and pursuit of consumer electronics, the processing cycle of electronic products is increasingly shortened, and therefore, the precision processing cycle of workpieces is urgently required to be shortened.

In the field of numerical control machining, more and more four-axis tools clamp workpieces in a clamping mode outside a moving machine. Many clamping methods adopt the most original and stable clamping method, such as a screw locking method, or a screw locking cover plate, a cover plate pressing workpiece, and the like.

However, in the clamping mode, the screws are loosened firstly and then screwed after the workpiece is placed; the whole clamping process is operated by hands, the steps are complicated, the working efficiency is low, the clamping precision is low, and the modern production requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

According to one aspect of the utility model, an automatic clamping device is provided, which comprises a workbench, a plurality of pressing plate components, an electromagnetic mechanism and a plurality of driving mechanisms, wherein the workbench is provided with a plurality of station grooves, the electromagnetic mechanism is arranged below the workbench, the action end of the electromagnetic mechanism is matched with the station grooves, the driving mechanisms are arranged at the edge of the workbench, the pressing plate components are respectively detachably connected with the driving ends of the driving mechanisms, and the driving mechanisms can drive the pressing plate components to be matched with or separated from the station grooves;

the driving mechanism is configured to mount the pressure plate assembly into the station groove or withdraw the pressure plate assembly from the station groove;

the electromagnetic mechanism is configured to secure the platen assembly in the station recess.

The utility model provides an automatic clamping device, it is applied to in the CNC panel machine, can realize snatching automatically, pack into the function of clamp plate subassembly, reduces clamp plate subassembly's clamping time and improves the clamping precision. The clamping process of the device is that the driving mechanism drives the pressing plate assembly to enable the pressing plate assembly to be installed in the station groove and to be in limit fit with the station groove, the electromagnetic mechanism is started to fix the pressing plate assembly, and the driving mechanism is reset and separated from the pressing plate assembly, so that the clamping function is realized; after the CNC plate machining is completed, the electromagnetic mechanism is disconnected to enable the pressing plate assembly to be separated from constraint, the driving mechanism drives the driving end of the driving mechanism to be connected with the pressing plate assembly, the driving mechanism resets and extracts the pressing plate assembly connected to the driving end of the driving mechanism from the station groove, and therefore the automatic reset function is achieved. The clamping-resetting process can facilitate the feeding of the base material or the discharging of the finished product by production personnel, the operation is quick, the labor intensity of the production personnel is reduced, and the productivity and the yield are improved.

In some embodiments, the pressing plate assembly comprises a pressing plate and a clamping assembly, and the clamping assembly is arranged on the upper end face of the pressing plate; the driving mechanism comprises a first driving piece, a rotating arm and a limiting block, wherein one end of the rotating arm is arranged at the driving end of the first driving piece, and the limiting block is arranged at the other end of the rotating arm; the clamping assembly is detachably matched with the limiting block.

From this, the separable cooperation of joint subassembly and stopper is for realizing the pivot of being connected of the quick joint of clamp plate subassembly and actuating mechanism, can forward connect also can reverse break away from to guarantee that this device can realize the efficient clamping function.

In some embodiments, the clamping assembly comprises two fixed seats and two elastic blocks, the two fixed seats are symmetrically arranged on the upper end surface of the pressing plate, and the two elastic blocks are respectively arranged on the inner side surfaces of the two fixed seats; both sides face of the limiting block is provided with a limiting groove, and the limiting groove is in separable fit with the elastic block.

From this, the separable cooperation of joint subassembly and stopper is for adopting the mode of the bullet piece that can elastically reset and spacing groove to carry out the elasticity joint. When no external force is applied, the stable connection between the pressing plate assembly and the driving mechanism is ensured; when there is external force effect, guarantee that clamp plate subassembly and actuating mechanism can stably separate.

In some embodiments, the lower end surface of the limiting block is provided with a first limiting rod, the upper end surface of the pressing plate is provided with a first limiting hole, and the first limiting hole is detachably matched with the first limiting rod.

Therefore, the first limiting rod and the first limiting hole enable the limiting block to be accurately connected with the pressing plate, and accuracy of a clamping function of the device is guaranteed.

In some embodiments, the swing arm is provided with a second limiting hole, the workbench is provided with a second limiting rod, and the second limiting hole is detachably matched with the second limiting rod.

Therefore, the second limiting hole and the second limiting rod enable the limiting block to be accurately connected with the pressing plate, and accuracy of a clamping function of the device is guaranteed.

In some embodiments, the electromagnetic mechanism includes a plurality of electromagnets and a plurality of magnetic conductive rings, the plurality of electromagnets are disposed below the workbench, the plurality of magnetic conductive rings are embedded in the bottom surface of the groove of the station, and a plurality of iron blocks are embedded in the lower end surface of the pressing plate and detachably engaged with the magnetic conductive rings.

Therefore, in the fixing process of the electromagnetic mechanism to the pressing plate assembly, the electromagnet is electrified and generates attraction force to the iron block through the magnetic conductive ring. The magnetic conductive ring and the iron block have adsorption force and a strong magnetic positioning function, and when the pressing plate assembly is installed in the station groove, the electromagnetic mechanism can fix the pressing plate assembly.

In some embodiments, the automatic clamping device further includes a plurality of pressing mechanisms, the plurality of pressing mechanisms are respectively disposed at edges of the workbench, the pressing mechanisms include a second driving member and a pressing block, and the pressing block is disposed at a driving end of the second driving member.

From this, swager constructs to be configured to fix a position the substrate raw materials, prevents that the substrate raw materials from taking place the skew in the clamping process to guarantee the clamping precision of this device.

In some embodiments, the pressure plate comprises a fixed plate and an elastic plate, the elastic plate is attached to one end face of the fixed plate, and the outer contour of the elastic plate is matched with the inner contour of the station groove.

From this, the elastic plate in the clamp plate can cushion the substrate raw materials in the clamping process, prevents that the device process from producing excessive rigid contact, prevents that the substrate raw materials from impaired to guarantee production quality.

The utility model has the advantages that: the device automatically captures and clamps the pressing plate assembly through the driving mechanism and the electromagnetic mechanism. The whole process of the device is automated, clamping can be realized only by placing the base material into the station groove, the device is simple to operate, and the labor intensity of production personnel can be reduced to the greatest extent; besides, the pin assembly is adopted in the device for positioning, the clamping precision of the clamping assembly is guaranteed in a magnetic adsorption positioning mode, the base material is compressed through the pressing plate, the deviation of the base material in the machining process is avoided, the positioning precision of the plate to be machined is further improved, and the machining quality of the product is guaranteed.

Drawings

Fig. 1 is an exploded perspective view of an automatic clamping device according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the first state of the automatic clamping device shown in fig. 1.

Fig. 3 is a schematic perspective view of the second state of the automatic clamping device shown in fig. 1.

Fig. 4 is a schematic perspective view of the third state of the automatic clamping device shown in fig. 1.

Fig. 5 is a schematic perspective view of the automatic clamping device shown in fig. 1 in a state four.

Fig. 6 is an exploded perspective view of a pressing plate assembly in the automatic clamping device shown in fig. 1.

Reference numbers in the figures: 1-workbench, 11-station groove, 12-second limiting rod, 13-foot pad, 2-pressing plate component, 21-pressing plate, 211-first limiting hole, 212-iron block, 213-fixing plate, 214-elastic plate, 22-clamping component, 221-fixing seat, 222-elastic block, 3-electromagnetic mechanism, 31-electromagnet, 32-magnetic conduction ring, 4-driving mechanism, 41-first driving piece, 42-rotary arm, 421-second limiting hole, 43-limiting block, 431-limiting groove, 432-first limiting rod, 5-pressing mechanism, 51-second driving piece, 52-pressing block,

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows an automatic clamping device according to an embodiment of the present invention, which includes a workbench 1, a plurality of platen assemblies 2, an electromagnetic mechanism 3, and a plurality of driving mechanisms 4, wherein the platen assemblies 2 and the driving mechanisms 4 are both provided with two. The shape of the workbench 1 is square, the foot pad 13 is arranged at the lower end of the workbench, and the foot pad 13 is erected, so that the lower stroke of the workbench 1 is free from the vacant position. The upper end face of the workbench 1 is provided with a plurality of station grooves 11, and the number of the station grooves 11 is two. Electromagnetic mechanism 3 locates the vacancy department of keeping away of the below of workstation 1, and electromagnetic mechanism 3's effect end and station recess 11 cooperation, and electromagnetic mechanism 3's effect end points to station recess 11 promptly. The driving mechanisms 4 are arranged at the edge of the workbench 1, the pressing plate assemblies 2 are respectively detachably connected with the driving ends of the driving mechanisms 4, and the driving mechanisms 4 can drive the pressing plate assemblies 2 to be matched with or separated from the station grooves 11; namely, the two driving mechanisms 4 are respectively arranged at the edge positions of two sides of the workbench 1, and the two pressing plate assemblies 2 are respectively detachably connected with the driving ends of the two driving mechanisms 4.

The drive mechanism 4 is configured to mount the platen assembly 2 into the station groove 11 or to withdraw the platen assembly 2 from the station groove 11.

The electromagnetic mechanism 3 is configured to fix the platen assembly 2 in the station groove 11; the electromagnetic assembly in the energized state can fix the platen assembly 2.

The utility model provides an automatic clamping device, it is applied to in the CNC panel machine, can realize snatching automatically, pack into clamp plate assembly 2's function, reduces clamp plate assembly 2's clamping time and improves the clamping precision. The clamping process of the device is that the driving mechanism 4 drives the pressing plate assembly 2, so that the pressing plate assembly 2 is installed in the station groove 11 and is in limit fit with the station groove, the electromagnetic mechanism 3 is started to fix the pressing plate assembly 2, and the driving mechanism 4 is reset and separated from the pressing plate assembly 2, so that the clamping function is realized; after CNC panel machine tooling is accomplished, 3 disconnection of electromagnetic mechanism make clamp plate subassembly 2 break away from the constraint, and actuating mechanism 4 drive makes its drive end be connected with clamp plate subassembly 2, and actuating mechanism 4 resets and will connect the clamp plate subassembly 2 of its drive end and take out from station recess 11 to realize the automatic re-setting function. The clamping-resetting process can facilitate the feeding of the base material or the discharging of the finished product by production personnel, the operation is quick, the labor intensity of the production personnel is reduced, and the productivity and the yield are improved.

With reference to fig. 1 and 6, the pressing plate assembly 2 includes a pressing plate 21 and a clamping assembly 22, a through hole for processing the substrate material is formed in the pressing plate assembly 2, and the clamping assembly 22 is arranged on the upper end surface of the pressing plate 21; the driving mechanism 4 includes a first driving member 41, a swing arm 42 and a stopper 43; the first driving member 41 is a corner spinning cylinder, which is a cylinder capable of lifting and lowering at a certain rotation angle as the name suggests, and is one of the common elements in the art, and the specific model is "MKB-cylinder diameter x stroke-R/L". One end of the swing arm 42 is arranged at the driving end of the first driving member 41, and the limiting block 43 is arranged at the other end of the swing arm 42; the latch assembly 22 is releasably engaged with the stop 43.

The separable cooperation of clamping subassembly 22 and stopper 43 is the pivot of being connected of realizing the quick joint of clamp plate subassembly 2 and actuating mechanism 4, can forward connect also can reverse break away from to guarantee that this device can realize the efficient clamping function.

With reference to fig. 1 and 6, the clamping assembly 22 includes two fixing bases 221 and two elastic blocks 222, the two fixing bases 221 are symmetrically installed on the upper end surface of the pressing plate 21, and the two elastic blocks 222 are respectively disposed on the inner side surfaces of the two fixing bases 221; both sides of the limiting block 43 are provided with limiting grooves 431, and the limiting grooves 431 are detachably matched with the elastic blocks 222.

The separable engagement of the latch assembly 22 and the stopper 43 is an elastic latch by means of the elastic resilient block 222 and the stopper groove 431. When no external force acts, the stable connection between the pressure plate assembly 2 and the driving mechanism 4 is ensured; when an external force is acted, the pressure plate component 2 and the driving mechanism 4 can be stably separated.

With reference to fig. 1 and 6, the lower end surface of the limiting block 43 is provided with a first limiting rod 432, the upper end surface of the pressing plate 21 is provided with a first limiting hole 211, and the first limiting hole 211 is detachably matched with the first limiting rod 432; when the driving end of the driving mechanism 4 is connected to the pressing plate assembly 2, the first limiting hole 211 is matched with the first limiting rod 432, and the limiting block 43 is connected to the pressing plate 21 in a limiting manner. The first limiting rod 432 and the first limiting hole 211 enable the limiting block 43 to be accurately connected with the pressing plate 21, and therefore accuracy of a clamping function of the device is guaranteed.

Referring to fig. 1, the swing arm 42 is provided with a second limiting hole 421, the workbench 1 is provided with a second limiting rod 12, and the second limiting hole 421 is detachably matched with the second limiting rod 12; when the driving mechanism 4 drives the platen 21 assembly to move up and down, the second limiting hole 421 is matched with the second limiting rod 12, and the second limiting rod 12 limits the radial arm 42. The second limiting hole 421 and the second limiting rod 12 enable the limiting block 43 to be accurately connected with the pressing plate 21, so that the accuracy of the clamping function of the device is guaranteed.

Referring to fig. 1 and 6, the electromagnetic mechanism 3 includes a plurality of electromagnets 31 and a plurality of magnetic conductive rings 32, the plurality of electromagnets 31 are disposed below the worktable 1, the plurality of magnetic conductive rings 32 are divided into two groups, and the two groups of magnetic conductive rings are respectively embedded in the bottom surfaces of the two station grooves 11, a plurality of iron blocks 212 are embedded in the lower end surface of the pressing plate 21, and the iron blocks 212 are detachably matched with the magnetic conductive rings 32. In this embodiment, there are two electromagnets 31 and four magnetic conduction rings 32, that is, two magnetic conduction rings 32 are embedded in the bottom surface of each station groove 11, and there are two iron blocks 212 on the lower end surface of the pressing plate 21; when the station grooves 11 are embedded with the corresponding pressure plates 21, the corresponding two magnetic conduction rings 32 are attracted with the corresponding two iron blocks 212.

Electromagnetic mechanism 3 is to the fixed in-process of clamp plate subassembly 2: the electromagnet 31 is electrified and generates attraction force on the iron block 212 through the magnetic conductive ring 32. Not only have the adsorption affinity between magnetic ring 32 and the iron plate 212, have strong magnetism locate function moreover, when pressing plate assembly 2 installed to the station recess 11 in, electromagnetic mechanism 3 can fix a position pressing plate assembly 2 promptly.

With reference to fig. 1, the automatic clamping device further includes a plurality of pressing mechanisms 5, the pressing mechanisms 5 are provided with three pressing mechanisms 5, the pressing mechanisms 5 are respectively disposed at the edges of the workbench 1, and the three pressing mechanisms 5 are respectively disposed at the three edge positions of the workbench 1. The swaging mechanism 5 includes a second driving member 51 and a pressing block 52, and the pressing block 52 is disposed at a driving end of the second driving member 51. The second driving member 51 is a rotary angle spinning cylinder, which is one of the common elements used by those in the art, and the specific type is "ACK-cylinder diameter x stroke-R/L", as the name suggests, the cylinder is capable of achieving a certain rotation angle of elevation. The material pressing mechanism 5 is configured to position the base material, so that the base material is prevented from shifting in the clamping process, and the clamping accuracy of the device is guaranteed.

Referring to fig. 6, the pressing plate 21 includes a fixing plate 213 and an elastic plate 214; the elastic plate 214 is attached to one end surface of the fixing plate 213; the outer contour of the elastic plate 214 is matched with the inner contour of the station groove 11, and the iron block 212 is embedded in the elastic plate 214. The elastic plate 214 in the pressing plate 21 can buffer the base material in the clamping process, so that excessive rigid contact in the device process is prevented, the base material is prevented from being damaged, and the production quality is ensured.

The present embodiment will be described in detail by applying to a CNC plate machine, the processing of the present embodiment is to process the inner and outer contours of the mobile phone back cover, and the specific working steps are,

s1, feeding: as shown in fig. 1, the substrate material is placed on the station groove 11;

s2, initial positioning: the three pressing mechanisms 5 respectively press three edges of the base material;

s3, clamping: as shown in fig. 2-3, the driving mechanism 4 drives the platen assembly 2, the first driving member 41 drives the platen assembly 2 to swing to a position right above the station groove 11, and the first driving member 41 drives the platen assembly 2 to descend, so that the platen assembly 2 is installed in the station groove 11 and is in limit fit with the station groove; the electromagnetic mechanism 3 is started to fix the pressure plate assembly 2; the driving mechanism 4 resets and is separated from the pressure plate component 2, so that the clamping function is realized;

s4, processing: the CNC plate machine is used for processing the outer contour and the inner contour of the base material;

s5, unclamping: as shown in fig. 4, the electromagnetic mechanism 3 is powered off, and the platen assembly 2 is disengaged; the driving mechanism 4 drives the driving end to be connected with the pressure plate assembly 2, the first driving part 41 swings right above the station groove 11 in a driving mode, the first driving part 41 drives the first driving part to descend and contact the pressure plate assembly 2, and the clamping assembly 22 is clamped with the limiting block 43; the drive mechanism 4 is reset and withdraws the platen assembly 2 attached to its drive end from the station recess 11.

S6, discharging: and resetting the material pressing mechanism 5, taking out the finished product, and taking out the rim charge.

The simple change of the pressing plate 21 in the device can realize the CNC processing of the plate with other steps, such as: an end face of the rear cover of the mobile phone needs to be carved, and the through hole in the pressing plate 21 needs to be enlarged to be larger than the processing area. Moreover, the device is not limited to one processing mode, and can also be applied to other processing modes, such as drilling, milling and the like.

The utility model has the advantages that: this device snatchs automatically and clamping through actuating mechanism 4 and electromagnetic mechanism 3 to clamp plate assembly 2. The whole process of the device is automated, the clamping can be realized only by putting the base material into the station groove 11, the device is simple to operate, and the labor intensity of production personnel can be reduced to the greatest extent; besides, the pin assembly is adopted in the device for positioning, the clamping precision of the clamping assembly is guaranteed in a magnetic adsorption positioning mode, the base material is compressed through the pressing plate 21, the deviation of the base material in the machining process is avoided, the positioning precision of the plate to be machined is further improved, and the machining quality of the product is guaranteed.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The automatic clamping device is characterized by comprising a workbench (1), a plurality of pressing plate assemblies (2), an electromagnetic mechanism (3) and a plurality of driving mechanisms (4), wherein a plurality of station grooves (11) are formed in the workbench (1), the electromagnetic mechanism (3) is arranged below the workbench (1), the action end of the electromagnetic mechanism (3) is matched with the station grooves (11), the driving mechanisms (4) are arranged at the edge of the workbench (1), and the pressing plate assemblies (2) are respectively detachably connected with the driving ends of the driving mechanisms (4); the driving mechanism (4) can drive the pressing plate component (2) to be matched with or separated from the station groove (11).

2. The automatic clamping device according to claim 1, wherein the pressure plate assembly (2) comprises a pressure plate (21) and a clamping assembly (22), and the clamping assembly (22) is arranged on the upper end face of the pressure plate (21); the driving mechanism (4) comprises a first driving part (41), a rotating arm (42) and a limiting block (43), one end of the rotating arm (42) is arranged at the driving end of the first driving part (41), and the limiting block (43) is arranged at the other end of the rotating arm (42); the clamping assembly (22) is detachably matched with the limiting block (43).

3. The automatic clamping device according to claim 2, wherein the clamping assembly (22) comprises two fixing seats (221) and two elastic blocks (222), the two fixing seats (221) are symmetrically arranged on the upper end face of the pressing plate (21), and the two elastic blocks (222) are respectively arranged on the inner side faces of the two fixing seats (221); both sides face of stopper (43) all is equipped with spacing groove (431), spacing groove (431) and bullet piece (222) separable cooperation.

4. The automatic clamping device according to claim 3, wherein a first limiting rod (432) is arranged on the lower end face of the limiting block (43), a first limiting hole (211) is arranged on the upper end face of the pressing plate (21), and the first limiting hole (211) is detachably matched with the first limiting rod (432).

5. The automatic clamping device according to claim 4, wherein a second limiting hole (421) is formed in the radial arm (42), a second limiting rod (12) is arranged on the workbench (1), and the second limiting hole (421) is detachably matched with the second limiting rod (12).

6. The automatic clamping device according to claim 5, wherein the electromagnetic mechanism (3) comprises a plurality of electromagnets (31) and a plurality of magnetic rings (32), the electromagnets (31) are arranged below the workbench (1), the magnetic rings (32) are embedded in the bottom surface of the station groove (11), a plurality of iron blocks (212) are embedded in the lower end surface of the pressing plate (21), and the iron blocks (212) are detachably matched with the magnetic rings (32).

7. The automatic clamping device according to any one of claims 2 to 6, further comprising a plurality of pressing mechanisms (5), wherein the plurality of pressing mechanisms (5) are respectively arranged at the edge of the workbench (1), the pressing mechanisms (5) comprise a second driving member (51) and a pressing block (52), and the pressing block (52) is arranged at the driving end of the second driving member (51).

8. The automated clamping device according to claim 7, wherein the pressure plate (21) comprises a fixed plate (213) and an elastic plate (214), the elastic plate (214) is attached to one end face of the fixed plate (213), and the outer contour of the elastic plate (214) is matched with the inner contour of the station groove (11).