CN112496732A - Workpiece clamping mechanism of screw locking machine and screw locking system - Google Patents

Abstract

The invention relates to the field of machining, in particular to a workpiece clamping mechanism and a screw locking system. A workpiece clamping mechanism comprises a fixed clamping jaw, a movable clamping jaw and a movable clamping jaw driving assembly; the fixed clamping jaw is fixedly arranged; the movable clamping jaw is arranged on one side of the fixed clamping jaw, and the position of the movable clamping jaw is opposite to that of the fixed clamping jaw; the output end of the movable clamping jaw driving component is connected with the movable clamping jaw. This patent activity clamping jaw removes under the effect of lift groove, realizes the clamp of work piece tightly with locking.

Description

Workpiece clamping mechanism of screw locking machine and screw locking system

Technical Field

The invention relates to the field of machining, in particular to a workpiece clamping mechanism, a supporting and clamping device thereof and a screw locking system.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles, and the like are used with screws of different sizes.

For example, a screw locking production line and a workpiece assembling production line are disclosed in chinese patent application publication No. CN207824367U, published japanese patent No. 20180907, and the screw locking production line includes: a transfer workpiece device, a locking mechanism, a support and a third drive element; the workpiece transferring equipment comprises a moving platform part, wherein the moving platform part comprises a platform plate and a horizontal driving mechanism for driving the platform plate to reciprocate along the length direction of the platform plate; the platform plate is provided with a plurality of positioning components for positioning the workpiece, and the plurality of positioning components are arranged along the length direction of the platform plate; the support piece is vertically arranged and is perpendicular to the platform plate, the third driving element is arranged on the support piece, the locking mechanism is arranged above the platform plate, and the locking mechanism can be opposite to the positioning assembly.

However, the existing screw feeding and screwing locking system has the following problems:

1. when a workpiece is clamped, the limiting precision is insufficient, so that clamping is not in place, and the workpiece moves when the screw is locked, so that processing is not facilitated;

2. the traditional screw locking system only has one screw locking device, when a workpiece is provided with a plurality of threaded holes, the screw taking and screw locking actions need to be carried out repeatedly, the requirement on the precision of the device is high, the load is large, and the efficiency is low;

3. in the production process, a workpiece needs to move from a feeding end to a discharging end in a stepping mode, and the conventional workpiece moving device cannot accurately move the workpiece to the next station;

4. when the screw is fed, a single linear feeding mode is adopted, and compared with a left-right alternative feeding mode, the efficiency is not high;

5. the traditional screw locking device only has a single screw locking mechanism, when a plurality of screws need to be screwed, the screw locking mechanism needs to independently position different threaded holes, the positioning time is long, and the screw locking efficiency is low.

Disclosure of Invention

In order to solve the existing problems, the invention aims to provide a workpiece clamping mechanism which is provided with a lifting groove on a lifting plate, a movable clamping jaw is connected in the lifting groove through a connecting column, the movable clamping jaw drives a cylinder to drive the lifting plate to move up and down, the movable clamping jaw moves left and right under the action of the lifting groove to clamp and prevent loosening of a workpiece, the connecting column can be accurately positioned when the lifting groove is clamped or loosened, and clamping failure or loosening prevention cannot occur.

For the purpose of the invention, the following technical scheme is adopted for implementation:

a workpiece clamping mechanism comprises a fixed clamping jaw, a movable clamping jaw and a movable clamping jaw driving assembly; the fixed clamping jaw is fixedly arranged; the movable clamping jaw is arranged on one side of the fixed clamping jaw, and the position of the movable clamping jaw is opposite to that of the fixed clamping jaw; the output end of the movable clamping jaw driving component is connected with the movable clamping jaw; the movable clamping jaw driving assembly comprises a mounting seat, a cover plate, a lifting plate, a connecting column, a movable clamping jaw driving air cylinder and a movable clamping jaw driving air cylinder mounting plate; the upper end surface of the mounting seat is provided with a horizontal sliding groove, and the movable clamping jaw is horizontally arranged in the sliding groove in a sliding manner; a first hole which vertically penetrates through the sliding groove is formed in the sliding groove; the first hole is strip-shaped; the cover plate covers the mounting seat and is used for shielding the upper part of the sliding chute; the cover plate is provided with a second hole corresponding to the first hole; the lifting plate penetrates through the first hole, a lifting groove is formed in the lifting plate, a connecting column is arranged in the lifting groove in a sliding mode, and the connecting column is fixedly connected with the mounting portion; the lower extreme fixed connection of lifter plate drives the output that actuating cylinder at the activity clamping jaw, and the vertical fixed mounting of activity clamping jaw drives actuating cylinder on activity clamping jaw drives actuating cylinder mounting panel, and activity clamping jaw drives actuating cylinder mounting panel fixed mounting in the mount pad bottom.

Preferably, the front end of the movable clamping jaw is provided with two clamping jaw parts, the rear part of the movable clamping jaw is provided with a limiting part and an installation part, the limiting part is connected with the clamping jaw parts, and a limiting groove is formed between the limiting part and the installation part; the lifting plate is positioned in the limit groove.

Preferably, the mechanism further comprises a decorative cover; the decoration cover is fixedly arranged on the cover plate and corresponds to the second hole, and the decoration cover is of a hollow structure.

Preferably, the upper part of the lifting groove is vertical, the middle part of the lifting groove is inclined, and the lower part of the lifting groove is vertical.

A supporting and clamping device of a screw locking system comprises a supporting frame mechanism, a first clamping mechanism and a second clamping mechanism; the support frame mechanism is fixedly arranged on the frame; the first clamping mechanism is arranged on one side of the upper part of the support frame mechanism; the second clamping mechanism is arranged on the other side of the upper part of the support frame mechanism; the first clamping mechanisms correspond to the second clamping mechanisms one by one; the support frame mechanism is used for supporting a workpiece; the first clamping mechanism is used for clamping the workpiece from the horizontal direction; the second clamping mechanism is used for clamping the workpiece from top to bottom; the first clamping mechanism adopts the workpiece clamping mechanism.

Preferably, the support frame mechanism comprises a first support seat, a second support seat, a first support plate, a second support plate, a first limit plate and a second limit plate; the lower part of the first supporting seat is fixedly arranged on the frame; the second supporting seat is arranged on the first supporting seat; the first supporting plate is horizontally arranged at the top ends of the plurality of first supporting seats; the second supporting plate is horizontally arranged at the top ends of the second supporting seats; a gap is reserved between the first supporting plate and the second supporting plate, and the workpiece is supported by the first supporting plate and the second supporting plate; the first limiting plate is arranged on the first supporting plate, and the second limiting plate is arranged on the second supporting plate; the first support plate, the second support plate, the first limiting plate and the second limiting plate form a channel; the workpiece slides within the channel.

Preferably, the first supporting seat and the second supporting seat form a Y shape; the plurality of sensors are arranged on the first limiting plate and the second limiting plate.

Preferably, the second clamping mechanism comprises a clamping cylinder mounting plate, a clamping cylinder and a clamping plate; the clamping cylinder mounting plate is fixedly mounted on the support frame mechanism, the clamping cylinder is vertically and fixedly mounted on the clamping cylinder mounting plate, and the clamping plate is horizontally and fixedly arranged at the output end of the clamping cylinder.

A screw locking system comprises a frame, a supporting and clamping device and a first screw locking device, wherein the supporting and clamping device and the first screw locking device are installed on the frame; one side of the supporting and clamping device is connected with the first screw locking device; the supporting and clamping device is used for supporting and clamping a workpiece to be screwed and locked; the first screw locking device is used for performing screw locking operation on a workpiece clamped in the supporting and clamping device; the supporting and clamping device adopts the supporting and clamping device of the screw locking system.

In conclusion, the technical effects of the invention are as follows:

1. set up the lift groove on the lifter plate, the activity clamping jaw passes through the spliced pole to be connected in the lift inslot, and the activity clamping jaw drives actuating cylinder drive lifter plate and reciprocates, and the activity clamping jaw moves about under the effect in lift groove, realizes the clamp of work piece and locking, and the shape in lift groove can be when pressing from both sides tightly or relaxing, and the spliced pole is pinpointed, the tight problem that does not put in place or locking not put in place of clamp can not appear.

2. Placing the workpiece on a supporting and clamping device, wherein the supporting and clamping device can position the workpiece; a plurality of screw locking devices are arranged on one side of the supporting and clamping device, and when a plurality of threaded holes are formed in a workpiece, each screw locking device is used for driving a screw at one position, so that the screw locking precision is improved, and the defective rate is reduced; the workpiece moves on the supporting and clamping device through the moving device, so that the workpiece sequentially passes through the screw locking device, the workpiece is automatically moved, and the moving device is matched with the screw locking device, so that the screw locking efficiency is improved.

3. The back of the rotary table is provided with a cam profile, a first fixed column is arranged in the cam profile, and the rotary table is rotated to realize the periodic up-and-down movement of the first fixed column; the front side of the turntable is provided with a second fixing column which is arranged in a guide groove of the transverse moving guide plate, and the turntable is rotated to realize the left and right movement of the transverse moving sliding plate; therefore, the periodical pushing action of the pushing claw is realized.

4. The positioning sliding plate is arranged on the positioning frame in a sliding mode, and a feeding hole is formed in the middle of the first baffle. The left end and the right end of the second baffle are respectively provided with a first discharge hole and a second discharge hole. Set up first spacing mouthful and the spacing mouth of second respectively at the left end of location slide and right-hand member, when first spacing mouthful and feed inlet link up, the spacing mouthful of second links up with the second discharge gate. When first spacing mouth and first discharge gate link up, spacing mouthful of second links up with the feed inlet. The positioning cylinder drives the positioning sliding plate to slide left and right, so that the screw can be alternately positioned and loaded.

5. Screw positioning mechanism links up at screw feed mechanism's discharge end, and screw positioning mechanism is equipped with two screw discharge gates about, and two discharge gates correspond first screw locking mechanism and second screw locking mechanism respectively, and first screw locking mechanism and second screw locking mechanism move in turn, and first screw locking mechanism and second screw locking mechanism only need be responsible for the location of a screw hole, improve location efficiency to improve screw locking efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the supporting and clamping device.

Fig. 3 is an exploded view of the first clamping mechanism.

Fig. 4 is a schematic structural view of the second clamping mechanism.

Fig. 5 is a schematic structural view of the first screw locking device.

Fig. 6 is a schematic structural diagram of a screw positioning mechanism.

Fig. 7 is a partial enlarged view of a portion a in fig. 6.

Fig. 8 is a schematic structural diagram of the first screw locking mechanism.

Detailed Description

As shown in fig. 1, a screw locking system comprises a frame, a supporting and clamping device 1 and a first screw locking device 3 which are arranged on the frame; one side of the supporting and clamping device 1 is connected with a first screw locking device 3; the supporting and clamping device 1 is used for supporting and clamping a workpiece to be screwed and locked; the first screw locking device 3 is used for performing screw locking operation on a workpiece clamped in the supporting and clamping device; the first screw locking device 3 is an alternative screw locking device. The screw positioning mechanism 32 is a screw alternating feeding positioning mechanism.

As shown in fig. 2, the support clamp device 1 includes a support frame mechanism 11, a first clamp mechanism 12, and a second clamp mechanism 13. The supporting frame mechanism 11 is fixedly arranged on the frame. The plurality of first clamping mechanisms 12 are provided on the upper side of the support frame mechanism 11. A plurality of second clamping mechanisms 13 are provided on the other side of the upper portion of the support frame mechanism 11. The first clamping mechanisms 12 and the second clamping mechanisms 13 correspond one to one. The carriage mechanism 11 is used to support a workpiece. The first clamping mechanism 12 is used for clamping the workpiece from the horizontal direction. The second clamping mechanism 13 is used for clamping the workpiece from top to bottom.

As shown in fig. 2, the supporting frame mechanism 11 includes a first supporting seat 111, a second supporting seat 112, a first supporting plate 113, a second supporting plate 114, a first limiting plate 115, a second limiting plate 116, and a sensor. The lower part of the first supporting seat 111 is fixedly installed on the frame. The second supporting seat 112 is disposed on the first supporting seat 111, and the first supporting seat 111 and the second supporting seat 112 form a Y shape. The first supporting plate 113 is horizontally disposed on the top of the plurality of first supporting seats 111. The second supporting plate 114 is horizontally disposed on the top of the plurality of second supporting seats 112. A gap 117 is left between the first support plate 113 and the second support plate 114, and the workpiece is supported by the first support plate 113 and the second support plate 114. The first stopper plate 115 is disposed on the first support plate 113, and the second stopper plate 116 is disposed on the second support plate 114. The first support plate 113, the second support plate 114, the first stopper plate 115, and the second stopper plate 116 form a passage 118. The workpiece slides within the channel 118. The plurality of sensors are provided on the first stopper plate 115 and the second stopper plate 116.

As shown in fig. 3, the first clamping mechanism 12 includes a fixed jaw 121, a movable jaw 122, and a movable jaw drive assembly 123. The fixed jaw 121 is disposed on one side of the support frame mechanism 11. The movable clamping jaw 122 is arranged at the other side of the supporting frame mechanism 11, and the position of the movable clamping jaw 122 corresponds to that of the fixed clamping jaw 121. Two clamping jaw portions 1221 are arranged at the front end of the movable clamping jaw 122, a limiting portion 1222 and a mounting portion 1223 are arranged at the rear portion of the movable clamping jaw 122, the limiting portion 1222 is connected with the clamping jaw portions 1221, and a limiting groove 1224 is formed between the limiting portion 1222 and the mounting portion 1223. The movable clamping jaw driving assembly 123 is disposed on the supporting frame mechanism 11, and an output end of the movable clamping jaw driving assembly 123 is connected to the movable clamping jaw 122. The movable clamping jaw driving assembly 123 includes a mounting base 1231, a cover plate 1232, a lifting plate 1233, a connecting column 1234, a decorative cover 1235, a movable clamping jaw driving cylinder 1236, and a movable clamping jaw driving cylinder mounting plate 1237. The mounting seat 1231 is fixedly mounted on one side of the support frame mechanism 11, the upper end face of the mounting seat 1231 is provided with a sliding groove 12311 in the horizontal direction, and the movable clamping jaw is horizontally arranged in the sliding groove 12311 in a sliding manner. The sliding groove 12311 is provided with a first hole 12312 penetrating vertically. The first hole 12312 is bar-shaped. The cover plate 1232 covers the mounting seat 1231, and the cover plate 1232 is used for shielding the upper portion of the sliding groove 12311. The cover 1232 is provided with a second hole 12321 corresponding to the first hole 12312. The decorative cover 1235 is fixedly installed on the cover plate 1232, and the decorative cover 1235 corresponds to the second hole 12321, and the decorative cover 1235 has a hollow structure. The lifting plate 1233 is disposed through the first hole 12312, and the lifting plate 1233 is disposed in the limiting groove 1224. The lifting plate 1233 is provided with a lifting groove 12331, the connecting column 1234 is slidably disposed in the lifting groove 12331, and the connecting column 1234 is fixedly connected with the mounting part 1223. The upper portion of the lifting groove 12331 is vertical, the middle portion of the lifting groove 12331 is inclined, and the lower portion of the lifting groove 12331 is vertical. When the connecting column 1234 is located at the upper portion of the lifting slot 12331, the movable jaw 122 releases the workpiece; when the attachment post 1234 is positioned in the lower portion of the lifting channel 12331, the movable jaw 122 grips the workpiece. The lower extreme fixed connection of lifter plate 1233 is at the output of activity clamping jaw actuating cylinder 1236, and the vertical fixed mounting of activity clamping jaw actuating cylinder 1236 is on activity clamping jaw actuating cylinder mounting panel 1237, and activity clamping jaw actuating cylinder mounting panel 1237 fixed mounting is in mount pad 1231 bottom.

When the first clamping mechanism 12 is actuated, the movable clamping jaw driving cylinder 1236 drives the lifting plate 1233 to move upward, the lifting plate 1233 moves upward along the first hole 12312 on the mounting base 1231, the connecting column 1234 moves forward under the action of the lifting slot 12331, so that the movable clamping jaw 122 moves forward, and the workpiece is clamped between the movable clamping jaw 122 and the fixed clamping jaw 121.

First clamping mechanism 12 has solved when the work piece presss from both sides tightly, spacing precision is not enough, lead to pressing from both sides tightly not in place, the work piece takes place to remove when screw locking, be unfavorable for the problem of processing, first clamping mechanism 12's advantage is to set up lift groove 12331 on lifter plate 1233, movable clamping jaw 122 passes through spliced pole 1234 to be connected in lift groove 12331, movable clamping jaw actuating cylinder 1236 drive lifter plate 1233 reciprocates, movable clamping jaw 122 moves about under the effect of lift groove 12331, realize the clamp of work piece and locking, and the shape of lift groove 12331 can be when pressing from both sides tightly or relaxing, accurate positioning spliced pole 1234, the problem that the clamp is tight not in place or locking not in place can not appear.

As shown in fig. 4, the second clamping mechanism 13 includes a clamping cylinder mounting plate 131, a clamping cylinder 132, and a clamping plate 133. The clamping cylinder mounting plate 131 is fixedly mounted on the support frame mechanism 11, the clamping cylinder 132 is vertically and fixedly mounted on the clamping cylinder mounting plate 131, and the clamping plate 133 is horizontally and fixedly arranged at the output end of the clamping cylinder 132.

As shown in fig. 5, the first screw locking device 3 includes a screw feeding mechanism 31, a screw positioning mechanism 32, a first screw locking mechanism 33, and a second screw locking mechanism 34. The screw positioning mechanism 32 is provided with a feeding station, a first discharging station and a second discharging station. The first discharging station and the second discharging station are respectively positioned on the left side and the right side of the feeding station. The discharge end of the screw feeding mechanism 31 is connected to the feeding station. The first screw locking mechanism 33 is engaged in the first discharge station. The second screw locking mechanism 34 is engaged in the second discharge station. When the feeding station is communicated with the first discharging station, the feeding station is disconnected with the second discharging station. When the feeding station is communicated with the second discharging station, the feeding station is disconnected with the first discharging station. The first discharging station and the second discharging station alternately discharge materials. The screw feeding mechanism 31 is used to feed screws into the screw positioning mechanism 32. The screw positioning mechanism 32 is used for conveying screws to the first discharging station and the second discharging station in a staggered mode. The first screw locking mechanism 33 is used for sucking the screw on the first discharging station and mounting the screw on the workpiece. The second screw locking mechanism 34 is used to take the screw from the second outfeed station and mount it to the workpiece.

As shown in fig. 6 and 7, the screw positioning mechanism 32 includes a positioning frame 321, a first blocking plate 3211, a second blocking plate 3212, a first pushing block 3213, a second pushing block 3214, a first pushing cylinder 3215, a second pushing cylinder 3216, a positioning sliding plate 322, a pull rod 323, a connecting plate 324, a positioning cylinder 325, and a guide rod 326. The positioning frame 321 is fixedly installed on the frame. The upper portion of the positioning frame 321 includes a first blocking plate 3211 and a second blocking plate 3212, and a transverse guide groove 3213 is formed between the first blocking plate 3211 and the second blocking plate 3212. A feed inlet 32111 communicated with the guide groove 3213 is formed in the middle of the first baffle 3211. The left end of the second baffle 3212 is provided with a first discharge hole 32121 communicated with the guide groove 3213. A first pushing block 3213 is arranged at a position on the first blocking plate 3211 corresponding to the first discharge hole 32121, and the first pushing block 3213 is connected to an output end of the first pushing cylinder 3215. A second discharge hole 32122 communicated with the guide groove 3213 is formed at the right end of the second blocking plate 3212. A second material pushing block 3214 is disposed at a position on the first blocking plate 3211 corresponding to the second material outlet 32122. The second pushing block 3214 is connected to an output end of the second pushing cylinder 3216. The positioning slide plate 322 is slidably disposed in the guide groove 3213, and a first position-limiting opening 3221 and a second position-limiting opening 3222 are respectively disposed at the left end and the right end of the positioning slide plate 322. When the first position-limiting opening 3221 is connected with the feeding opening 32111, the second position-limiting opening 3222 is connected with the second discharging opening 32122. When the first position-limiting opening 3221 is connected with the first discharge opening 32121, the second position-limiting opening 3222 is connected with the feed opening 32111. The lower part of the positioning sliding plate 322 is fixedly connected with a pull rod 323, the pull rod 323 transversely penetrates through the upper part of the positioning frame 321, the end part of the pull rod 323 is fixedly provided with a connecting plate 324, the connecting plate 324 is vertically arranged, the connecting plate 324 is connected with a positioning cylinder 325, and the positioning cylinder 325 is horizontally and fixedly arranged on the positioning frame 321. The connecting plate 324 is further connected with a guide rod 326, and the guide rod 326 transversely penetrates through the side surface of the positioning frame 321.

When the screw positioning mechanism 32 is operated, the positioning cylinder 325 drives the connecting plate 324 to move leftward, the pull rod 323 pushes the positioning sliding plate 322 to move leftward, so that the first position-limiting opening 3221 is engaged with the first discharge opening 32121, the second position-limiting opening 3222 is engaged with the feed opening 32111, a screw enters the second position-limiting opening 3222 through the feed opening 32111, then the positioning cylinder 325 drives the connecting plate 324 to move rightward, the pull rod 323 pushes the positioning sliding plate 322 to move rightward, so that the first position-limiting opening 3221 is engaged with the feed opening 32111, the second position-limiting opening 3222 is engaged with the second discharge opening 32122, the next screw enters the first position-limiting opening 3221 through the feed opening 32111, and the second material pushing cylinder 3216 drives the second material pushing block 3214 to move forward, so that the screw in the second position-limiting opening 3222 enters; then the positioning cylinder 325 drives the connecting plate 324 to move leftward, the pull rod 323 pushes the positioning sliding plate 322 to move leftward, and the next screw enters the first discharging hole 32121, so as to realize alternate feeding.

The screw positioning mechanism 32 solves the problem that when screws are loaded, single linear loading is adopted, and efficiency is not high compared with a left-right alternative loading mode, and the screw positioning mechanism 32 has the advantages that the positioning sliding plate 322 is arranged on the positioning frame 321 in a sliding mode, and the middle of the first baffle 3211 is provided with the feed inlet 32111. The left end and the right end of the second baffle 3212 are respectively provided with a first discharge hole 32121 and a second discharge hole 32122. The left end and the right end of the positioning sliding plate 322 are respectively provided with a first limiting opening 3221 and a second limiting opening 3222, and when the first limiting opening 3221 is connected with the feeding hole 32111, the second limiting opening 3222 is connected with the second discharging hole 32122. When the first position-limiting opening 3221 is connected with the first discharge opening 32121, the second position-limiting opening 3222 is connected with the feed opening 32111. The positioning cylinder 325 drives the positioning slide plate 322 to slide left and right, so that the alternative positioning and feeding of screws can be realized.

As shown in fig. 8, the first screw locking mechanism 33 and the second screw locking mechanism 34 are arranged bilaterally symmetrically. The first screw locking mechanism 33 includes a screw locking bracket 331, an X-direction moving assembly 332, a Y-direction moving assembly 333, a Z-direction moving assembly 334, and a screw locking member 335. The screw locking bracket 331 is fixedly mounted on the frame. The X-direction moving member 332 is fixedly mounted on the screw locking bracket 331, and the Y-direction moving member 333 is provided on the X-direction moving member 332. The Z-direction movement component 334 is disposed on the Y-direction movement component 333. Screw locking elements 335 are provided on the Z-direction motion assembly 334.

When the first screw locking device 3 acts, the screw feeding mechanism 31 conveys screws into the screw positioning mechanism 32 one by one, the screw positioning mechanism 32 positions one screw into the first discharging station, and the first screw locking mechanism 33 sucks the screw in the first discharging station and screws the screw onto a workpiece; the screw positioning mechanism 32 positions the next screw in the second discharging station, the second screw locking mechanism 34 sucks the screw in the second discharging station and screws the screw on the workpiece, and the above actions are repeated continuously to realize the alternate feeding of the screw.

First screw locking device 3 has solved traditional screw locking device and has only single screw locking mechanism, when a plurality of screws need be beaten, screw locking mechanism needs fix a position alone to different screw holes, the dead time is long, cause the problem of screw locking inefficiency, first screw locking device 3's advantage is linking up screw positioning mechanism 32 at the discharge end of screw feed mechanism 31, two screw discharge gates about screw positioning mechanism 32 is equipped with, two discharge gates correspond first screw locking mechanism 33 and second screw locking mechanism 34 respectively, first screw locking mechanism 33 and second screw locking mechanism 34 move in turn, first screw locking mechanism 33 and second screw locking mechanism 34 only need be responsible for the location of a screw hole, positioning efficiency is improved, thereby improve screw locking efficiency.

Claims (9)

1. A workpiece clamping mechanism, characterized in that the mechanism comprises a fixed jaw (121), a movable jaw (122) and a movable jaw drive assembly (123); the fixed clamping jaw (121) is fixedly arranged; the movable clamping jaw (122) is arranged on one side of the fixed clamping jaw (121), and the position of the movable clamping jaw (122) is opposite to that of the fixed clamping jaw (121); the output end of the movable clamping jaw driving component (123) is connected with the movable clamping jaw (122); the movable clamping jaw driving assembly (123) comprises a mounting seat (1231), a cover plate (1232), a lifting plate (1233), a connecting column (1234), a movable clamping jaw driving cylinder (1236) and a movable clamping jaw driving cylinder mounting plate (1237); a sliding groove (12311) in the horizontal direction is formed in the upper end face of the mounting seat (1231), and the movable clamping jaw is horizontally arranged in the sliding groove (12311) in a sliding manner; a first hole (12312) which vertically penetrates through the sliding groove (12311) is arranged on the sliding groove; the first hole (12312) is bar-shaped; the cover plate (1232) covers the mounting seat (1231), and the cover plate (1232) is used for shielding the upper part of the sliding groove (12311); the cover plate (1232) is provided with a second hole (12321) corresponding to the first hole (12312); the lifting plate (1233) penetrates through the first hole (12312), a lifting groove (12331) is formed in the lifting plate (1233), a connecting column (1234) is arranged in the lifting groove (12331) in a sliding mode, and the connecting column (1234) is fixedly connected with the mounting portion (1223); the lower extreme fixed connection of lifter plate (1233) is at the output of activity clamping jaw actuating cylinder (1236), and the vertical fixed mounting of activity clamping jaw actuating cylinder (1236) is on activity clamping jaw actuating cylinder mounting panel (1237), and activity clamping jaw actuating cylinder mounting panel (1237) fixed mounting is in mount pad (1231) bottom.

2. The workpiece clamping mechanism as recited in claim 1, characterized in that the front end of the movable clamping jaw (122) is provided with two clamping jaw parts (1221), the rear part of the movable clamping jaw (122) is provided with a limiting part (1222) and a mounting part (1223), the limiting part (1222) is connected with the clamping jaw parts (1221), and a limiting groove (1224) is formed between the limiting part (1222) and the mounting part (1223); the lifting plate (1233) is positioned in the limit groove (1224).

3. The workpiece clamping mechanism of claim 1, further comprising a decorative cover (1235); the decorative cover (1235) is fixedly arranged on the cover plate (1232), the decorative cover (1235) corresponds to the second hole (12321), and the decorative cover (1235) is of a hollow structure.

4. The workpiece clamping mechanism as recited in claim 1, wherein an upper portion of the lifting groove (12331) is vertical, a middle portion of the lifting groove (12331) is inclined, and a lower portion of the lifting groove (12331) is vertical.

5. A supporting and clamping device of screw locking equipment is characterized by comprising a supporting frame mechanism (11), a first clamping mechanism (12) and a second clamping mechanism (13); the support frame mechanism (11) is fixedly arranged on the frame; the first clamping mechanism (12) is arranged on one side of the upper part of the support frame mechanism (11); the second clamping mechanism (13) is arranged on the other side of the upper part of the support frame mechanism (11); the first clamping mechanisms (12) correspond to the second clamping mechanisms (13) one by one; the support frame mechanism (11) is used for supporting a workpiece; the first clamping mechanism (12) is used for clamping the workpiece from the horizontal direction; the second clamping mechanism (13) is used for clamping the workpiece from top to bottom; the first clamping mechanism (12) is a workpiece clamping mechanism as set forth in claim 1.

6. The supporting and clamping device of the screw locking equipment is characterized in that the supporting frame mechanism (11) comprises a first supporting seat (111), a second supporting seat (112), a first supporting plate (113), a second supporting plate (114), a first limiting plate (115) and a second limiting plate (116); the lower part of the first supporting seat (111) is fixedly arranged on the frame; the second supporting seat (112) is arranged on the first supporting seat (111); the first supporting plate (113) is horizontally arranged at the top ends of the plurality of first supporting seats (111); the second supporting plate (114) is horizontally arranged at the top ends of the second supporting seats (112); a gap (117) is reserved between the first supporting plate (113) and the second supporting plate (114), and the workpiece is supported by the first supporting plate (113) and the second supporting plate (114); the first limiting plate (115) is arranged on the first supporting plate (113), and the second limiting plate (116) is arranged on the second supporting plate (114); the first support plate (113), the second support plate (114), the first limiting plate (115) and the second limiting plate (116) form a channel (118); the workpiece slides within the channel (118).

7. A screw locking device support clamp according to claim 5, wherein the first support seat (111) and the second support seat (112) are formed in a Y-shape; the plurality of sensors are provided on the first stopper plate (115) and the second stopper plate (116).

8. A supporting and clamping arrangement of a screw locking device according to claim 5, characterised in that the second clamping mechanism (13) comprises a clamping cylinder mounting plate (131), a clamping cylinder (132) and a clamping plate (133); the clamping cylinder mounting plate (131) is fixedly mounted on the support frame mechanism (11), the clamping cylinder (132) is vertically and fixedly mounted on the clamping cylinder mounting plate (131), and the clamping plate (133) is horizontally and fixedly arranged at the output end of the clamping cylinder (132).

9. A screw locking system is characterized by comprising a frame, a supporting and clamping device (1) and a first screw locking device (3), wherein the supporting and clamping device and the first screw locking device are installed on the frame; one side of the supporting and clamping device (1) is connected with a first screw locking device (3); the supporting and clamping device (1) is used for supporting and clamping a workpiece to be screwed and locked; the first screw locking device (3) is used for performing screw locking operation on a workpiece clamped in the supporting and clamping device (1); the supporting and clamping device adopts the supporting and clamping device of the screw locking device as claimed in claim 1.

Images