CN219324481U

CN219324481U - Bar thickness test equipment

Info

Publication number: CN219324481U
Application number: CN202320291098.5U
Authority: CN
Inventors: 胡安详; 唐迎春; 徐长佰; 黄文凯
Original assignee: Shenzhen Eyang Technology Development Co ltd
Current assignee: Shenzhen Eyang Technology Development Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-07-11
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a bar thickness testing device which comprises a machine table, a feeding device, a discharging device, a first transferring device, a testing device, a defective product taking and placing device, a defective product receiving device and a second transferring device. The first transfer device comprises a first linear module and a pick-and-place device, wherein the first linear module is used for driving the pick-and-place device to reciprocate between an upper bin and a lower bin, and the pick-and-place device picks up the bar blocks to be tested from the upper bin and places the qualified bar blocks in the lower bin; the testing device is used for testing the thickness of the bar block; the defective goods receiving device is used for receiving the defective bars released by the defective goods taking and placing device; the second transfer device comprises a moving module and a transfer plate, wherein the transfer plate is driven by the moving module to move to the position right below the pick-and-place device so as to receive the bar to be tested and carry the bar to be tested to a test position, carry the bar to be tested to the position right below the pick-and-place device, and carry the bar to be unqualified to the position right below the unqualified product pick-and-place device.

Description

Bar thickness test equipment

Technical Field

The utility model relates to the technical field of bar block processing, in particular to bar block thickness testing equipment.

Background

A chip-type Multi-layer ceramic capacitor (Multi-layer ceramic capacitor), abbreviated as MLCC, is prepared through overlapping ceramic membranes printed with internal electrodes in crossed staggered mode to form a block, and cutting in para-position to obtain ceramic green body. In order to accurately process, the thickness of the bar block needs to be measured, and the existing measuring mode basically uses manpower to measure, so that the efficiency is low.

Therefore, it is necessary to provide a bar thickness testing apparatus, so as to facilitate improving the measurement efficiency of the bar thickness.

Disclosure of Invention

The utility model aims to provide a bar thickness testing device which is beneficial to improving the measurement efficiency of the thickness of a bar

In order to achieve the above object, the present utility model discloses a bar thickness test apparatus comprising:

the machine comprises a mounting table board;

the feeding device comprises a feeding bin and a first lifting device, wherein the feeding bin is arranged on the mounting table top, the feeding bin is used for stacking bars to be tested, the first lifting device is arranged below the mounting table top, the first lifting device comprises a first lifting piece, and the first lifting piece can upwards penetrate through the mounting table top to extend into the feeding bin to lift the bars to be tested, so that the uppermost bars are lifted to a feeding position;

the blanking device comprises a blanking bin and a second lifting device, the blanking bin is arranged on the mounting table top and used for stacking qualified test bars, the second lifting device is arranged below the mounting table top and comprises a second lifting piece, and the second lifting piece can upwards penetrate through the mounting table top to extend into the blanking bin;

the first transfer device comprises a first linear module and a pick-and-place device, the first linear module is installed on the installation table surface through an installation bracket, the first linear module is located above the installation table surface and is arranged along a first direction, the pick-and-place device is installed on the first linear module, the first linear module is used for driving the pick-and-place device to move in the first direction so as to enable the pick-and-place device to reciprocate between the upper bin located at a feeding position and the lower bin located at a discharging position, and the pick-and-place device picks up bars to be tested from the upper bin and places the bars to be tested in the lower bin;

the testing device is arranged between the upper bin and the lower bin in the first direction, is staggered with the upper bin positioned at the upper position and the lower bin positioned at the lower position in the second direction, and is used for testing the thickness of the bar block;

the defective product taking and placing device is arranged on the mounting table top, is arranged between the testing device and the discharging bin in the first direction, and is positioned on the same side of the charging bin at the charging position and the discharging bin at the discharging device with the testing device in the second direction;

the defective product receiving device is positioned below the defective product taking and placing device and is used for receiving the test defective bar released by the defective product taking and placing device;

the second transfer device comprises a moving module and a transfer plate, the moving module is arranged on the installation table surface, the transfer plate is arranged on the moving module, the transfer plate is driven by the moving module to move to the position right below the pick-and-place device so as to receive the bar to be tested released by the pick-and-place device and carry the bar to be tested to the test position of the test device, the bar to be tested is carried to the position right below the pick-and-place device so that the pick-and-place device picks up the bar to be tested, and the bar to be picked up by the reject pick-and-place device is carried to the position right below the reject pick-and-place device so that the reject pick-and-place device picks up the bar.

Optionally, the feeding device further comprises two sliding rails arranged on the mounting table top side by side along a second direction, the second direction is perpendicular to the first direction, and two sides of the bottom of the feeding bin are respectively arranged on the corresponding sliding rails in a sliding manner through sliding blocks; the feeding device further comprises a first driver, the output end of the first driver is connected with the feeding bin, and the first driver is used for driving the feeding bin to slide along the sliding rail so as to move to or move from the feeding position.

Optionally, the discharging device further comprises two sliding rails arranged on the mounting table top side by side along a second direction, the second direction is perpendicular to the first direction, and two sides of the bottom of the discharging bin are respectively arranged on the corresponding sliding rails in a sliding manner through sliding blocks; the discharging device further comprises a second driver, the output end of the second driver is connected with the discharging bin, and the second driver is used for driving the discharging bin to slide along the sliding rail so as to move to or move away from the discharging position.

Optionally, the first lifting device comprises a mounting frame, the mounting frame comprises a bottom plate and a vertical plate, a driving motor is mounted on the lower side of the bottom plate, the output end of the driving motor upwards penetrates through the bottom plate and then is connected with a vertical screw rod, the upper end and the lower end of the screw rod are respectively mounted on the vertical plate through mounting seats, screw nuts are connected onto the screw rod in a threaded manner, the screw nuts are fixedly connected with a connecting plate, the first lifting piece is mounted on the upper side of the connecting plate, and sliding blocks are respectively and fixedly connected onto two sides of the connecting plate; the two sides of the vertical plate are respectively and fixedly provided with a sliding rail which is vertically arranged, and the connecting plate is arranged on the sliding rail in a sliding way through the sliding blocks.

Optionally, the middle part of riser is formed with the fluting, riser part by the fluting stretches out, the riser by the part that the fluting stretches out is equipped with the response piece, the riser dorsad the one side of slide rail is equipped with the inductor, the inductor is used for the response piece removes to preset position.

Optionally, the pick-and-place device is a vacuum suction device and comprises a first driving cylinder, wherein the output end of the first driving cylinder faces downwards and is connected with a vacuum suction module; the first driving cylinder is arranged on the second driving cylinder through a first mounting plate and can move up and down under the driving of the first driving cylinder, and the second driving cylinder is arranged on the sliding seat of the first linear module through a second mounting plate; the mounting bracket is also provided with a sliding rail parallel to the first linear module, and the second mounting plate is arranged on the sliding rail in a sliding way through a sliding block.

Optionally, the machine further comprises a bottom plate, and an installation space is formed between the bottom plate and the installation table top; the testing device comprises a base, wherein the base is arranged on the bottom plate, a main support extending to the upper side of the installation table top is arranged on the base, an upper branch support and a lower branch support are respectively connected to the main support, and the upper branch support and the lower branch support are positioned above the installation table top; the upper sub-bracket is connected with a first laser displacement sensor, the lower sub-bracket is connected with a second laser displacement sensor, and the first laser displacement sensor and the second laser displacement sensor are arranged up and down oppositely; the test location is located between the first and second laser displacement sensors to measure a thickness of a bar located at the test location using the first and second laser displacement sensors.

Optionally, the unqualified product picking and placing device comprises a fixed support arranged on the installation table surface, a driving cylinder is arranged at the upper end of the fixed support, a connecting support is arranged at the output end of the driving cylinder, and the connecting support is connected with a vacuum suction module.

Optionally, the reject receiving device comprises a driving cylinder, the driving cylinder is installed at the bottom of the installation table top, the driving cylinder comprises a driving shaft, the driving shaft extends upwards to the upper side of the installation table top, and the top end of the driving shaft is provided with a storage rack; the storage rack is also connected with at least two guide rods, at least two guide sleeves corresponding to the at least two guide rods are arranged on the installation table surface, and the at least two guide rods respectively penetrate through the at least two guide sleeves.

Optionally, the moving module includes a second linear module and a third linear module, the second linear module is mounted on the mounting table along the second direction, the third linear module is mounted on the sliding seat of the second linear module along the first direction, and the transfer plate is disposed on the sliding seat of the third linear module.

The bar thickness testing equipment disclosed by the utility model utilizes the arrangement of the first linear module and the pick-and-place device of the feeding device, the discharging device, the first transfer device, the testing device, the unqualified product picking-and-placing device, the unqualified product receiving device, the moving module of the second transfer device and the transfer plate, is favorable for realizing the automation of bar thickness testing, and further improves the testing efficiency of bar thickness.

Drawings

Fig. 1 is a schematic perspective view of a bar thickness testing apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of another block thickness testing apparatus according to an embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a feeding device according to an embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a blanking apparatus according to an embodiment of the present utility model.

Fig. 5 and 6 are schematic perspective views of a first lifting device according to an embodiment of the present utility model.

Fig. 7 and 8 are schematic perspective views of a second lifting device according to an embodiment of the present utility model.

Fig. 9 and 10 are schematic perspective views of a first transfer device according to an embodiment of the present utility model.

FIG. 11 is a schematic perspective view of a testing device according to an embodiment of the present utility model.

Fig. 12 is a schematic perspective view of a defective article picking and placing apparatus according to an embodiment of the present utility model.

Fig. 13 is a schematic perspective view of a reject receiving apparatus according to an embodiment of the present utility model.

Fig. 14 and 15 are schematic perspective views of a second transfer device according to an embodiment of the present utility model.

Detailed Description

In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.

Referring to fig. 1 to 15, an embodiment of the utility model discloses a bar thickness testing apparatus, which comprises a machine table 1, a loading device 2, a discharging device 3, a first transferring device 4, a testing device 5, a defective product picking and placing device 6, a defective product receiving device 7 and a second transferring device 8. The machine 1 comprises a mounting table 10. The feeding device 2 comprises a feeding bin 21 and a first lifting device 22, wherein the feeding bin 21 is arranged on the mounting table top 10, the feeding bin 21 is used for stacking bars to be tested, the first lifting device 22 is arranged below the mounting table top 10, the first lifting device 22 comprises a first lifting piece 221, and the first lifting piece 221 can penetrate through the mounting table top 10 upwards to extend into the feeding bin 21 to lift the bars to be tested, so that the uppermost bars are lifted to a feeding position. The blanking device 3 comprises a blanking bin 31 and a second lifting device 32 which are arranged on the installation table top 10, the blanking bin 31 is used for stacking qualified bars, the second lifting device 32 is arranged below the installation table top 10, the second lifting device 32 comprises a second lifting piece 321, and the second lifting piece 321 can penetrate through the installation table top 10 upwards to extend into the blanking bin 31. The first transfer device 4 comprises a first linear module 41 and a pick-and-place device 42, the first linear module 41 is installed on the installation table top 10 through an installation bracket 43, the first linear module 41 is located above the installation table top 10 and is arranged along a first direction, the pick-and-place device 42 is installed on the first linear module 41, the first linear module 41 is used for driving the pick-and-place device 42 to move in the first direction so as to enable the pick-and-place device 42 to reciprocate between the upper bin 21 located at a feeding position and the lower bin 31 located at a discharging position, and the pick-and-place device 42 picks up bars to be tested from the upper bin 21 and places qualified bars to be tested in the lower bin 31. The testing device 5 is installed on the machine table 1, is arranged between the upper bin 21 and the lower bin 31 in the first direction, is staggered with the upper bin 21 positioned at the upper position and the lower bin 31 positioned at the lower position in the second direction, and is used for testing the thickness of the bar block. The reject picking and placing device 6 is mounted on the mounting table 10, is arranged between the testing device 5 and the blanking bin 31 in the first direction, and is positioned on the same side of the upper bin 21 in the loading position and the blanking bin 31 in the blanking device 3 as the testing device 5 in the second direction. The defective goods receiving device 7 is located below the defective goods picking and placing device 6 and is used for receiving the test defective bars released by the defective goods picking and placing device 6. The second transferring device 8 comprises a moving module 81 and a transferring plate 82, the moving module 81 is mounted on the mounting table board 10, the transferring plate 82 is mounted on the moving module 81, the transferring plate 82 is driven by the moving module 81 to move under the pick-and-place device 42 to receive the bar to be tested released by the pick-and-place device 42 and carry the bar to be tested to a testing position of the testing device 5, the carrying test qualified bar moves under the pick-and-place device 42 to enable the pick-and-place device 42 to pick up the test qualified bar, and the carrying test unqualified bar moves under the unqualified product pick-and-place device 6 to enable the unqualified product pick-and-place device 6 to pick up the bar.

The bar thickness testing equipment disclosed by the utility model utilizes the arrangement of the first linear module 41 and the pick-and-place device 42 of the feeding device 2, the discharging device 3 and the first transfer device 4, the testing device 5, the unqualified product picking-and-placing device 6, the unqualified product receiving device 7 and the mobile module 81 and the transfer plate 82 of the second transfer device 8, is favorable for realizing the automation of bar thickness testing, and further improves the testing efficiency of bar thickness.

Referring to fig. 3, in some embodiments, the feeding device 2 further includes two sliding rails 23 disposed on the mounting table 10 side by side along a second direction, the second direction is perpendicular to the first direction, and two sides of the bottom of the feeding bin 21 are respectively slidably disposed on the corresponding sliding rails 23 through sliding blocks 24; the feeding device 2 further comprises a first driver 25, an output end of the first driver 25 is connected with the feeding bin 21, and the first driver 25 is used for driving the feeding bin 21 to slide along the sliding rail 23 to move to or from a feeding position. Through the cooperation of first driver 25 and slide rail 23 and slider 24 for go up feed bin 21 can remove in the second direction, and then when need go up feed bin 21 and supplement the bar that awaits measuring, can drive through the drive of first driver 25 and go up feed bin 21 and remove in order to supplement the bar that awaits measuring from the material loading position, after the complementation is accomplished, the drive of reuse first driver 25 drives and goes up feed bin 21 and get back to the material loading position.

Referring to fig. 4, in some embodiments, the discharging device 3 further includes two sliding rails 33 disposed on the mounting table 10 side by side along a second direction, the second direction is perpendicular to the first direction, and two sides of the bottom of the discharging bin 31 are respectively slidably disposed on the corresponding sliding rails 33 through sliding blocks 34; the discharging device 3 further comprises a second driver 35, an output end of the second driver 35 is connected with the discharging bin 31, and the second driver 35 is used for driving the discharging bin 31 to slide along the sliding rail 33 to move to or from the discharging position. Through the cooperation of the second driver 35 and the slide rail 33 and the slide block 34, the blanking bin 31 can move in the second direction, and then when the qualified test bar in the blanking bin 31 needs to be taken out, the blanking bin 31 can be driven by the driving of the second driver 35 to move away from the blanking position so as to take out the qualified test bar, and after the qualified test bar is completely taken out, the blanking bin 31 is driven by the driving of the second driver 35 to return to the blanking position.

Referring to fig. 5 and 6, in some embodiments, the first lifting device 22 includes a mounting frame 222, the mounting frame 222 includes a bottom plate 223 and a riser 224, a driving motor 225 is installed on the lower side of the bottom plate 223, an output end of the driving motor 225 passes through the bottom plate 223 upwards and then is connected with a vertical screw rod 226, an upper end and a lower end of the screw rod 226 are respectively installed on the riser 224 through a mounting seat 227, a screw nut 228 is connected on the screw rod 226 in a threaded manner, the screw nut 228 is fixedly connected with a connecting plate 229, a first lifting member 221 is installed on the upper side of the connecting plate 229, and two sides of the connecting plate 229 are respectively fixedly connected with a sliding block 230; two sides of the vertical plate 224 are respectively and fixedly provided with a vertically arranged sliding rail 231, and the connecting plate 229 is arranged on the sliding rail 231 in a sliding way through the sliding blocks 230. By this means, a reliable lifting movement of the first lifting member 221 can be ensured.

Specifically, a slot 232 is formed in the middle of the riser 224, a portion of the riser 224 extends out of the slot 232, an induction piece 233 is disposed on the portion of the riser 224 extending out of the slot 232, an inductor 234 is disposed on one side of the riser 224 facing away from the sliding rail 231, and the inductor 234 is used for inducing the induction piece 233 to move to a preset position. Through the setting of sensing piece 233 and inductor 234, can realize the position detection, avoid first lifting member 221 unreasonable carrying out the jacking.

Referring to fig. 7 and 8, in some embodiments, the second lifting device 32 includes a mounting frame 322, the mounting frame 322 includes a bottom plate 323 and a riser 324, a driving motor 325 is installed on the lower side of the bottom plate 323, an output end of the driving motor 325 passes through the bottom plate 323 upwards and is connected with a vertical screw rod 326, an upper end and a lower end of the screw rod 326 are respectively installed on the riser 324 through a mounting seat 327, screw nuts 328 are connected on the screw rod 326 in a threaded manner, the screw nuts 328 are fixedly connected with a connecting plate 329, a second lifting member 321 is installed on the upper side of the connecting plate 329, and two sides of the connecting plate 329 are respectively fixedly connected with sliding blocks 330; two sides of the vertical plate 324 are respectively fixedly provided with a sliding rail 331 which is vertically arranged, and the connecting plate 329 is arranged on the sliding rail 331 in a sliding way through the sliding blocks 330. By this means, the second jack 321 can be ensured to perform a reliable lifting movement.

Specifically, a slot 332 is formed in the middle of the riser 324, a portion of the riser 324 extends out of the slot 332, an induction plate 333 is disposed at a portion of the riser 324 extending out of the slot 332, an inductor 334 is disposed at a side of the riser 324 facing away from the slide rail 331, and the inductor 334 is used for inducing the induction plate 333 to move to a preset position. Through the setting of inductive piece 333 and inductor 334, can realize position detection, avoid the unreasonable jacking of second jacking piece 321.

Referring to fig. 9 and 10, in some embodiments, the pick-and-place device 42 is a vacuum suction device, including a first driving cylinder 421, where an output end of the first driving cylinder 421 faces downward and is connected to a vacuum suction module 422; the first driving cylinder 421 is mounted on the second driving cylinder 424 through the first mounting plate 423 and can move up and down under the driving of the first driving cylinder 421, and the second driving cylinder 424 is mounted on the slide of the first linear module 41 through the second mounting plate 425; the mounting bracket 43 is also provided with a sliding rail 44 parallel to the first linear module 41, and the second mounting plate 425 is slidably arranged on the sliding rail 44 through a sliding block 45. The pick-and-place device 42 is a vacuum suction device, so that the pick-and-place of the bar blocks is facilitated. After the second driving cylinder 424 drives the first driving cylinder 421 and the vacuum sucking module 422 to move downward, the first driving cylinder 421 is used to drive the vacuum sucking module 422 to move downward onto the bar for sucking the bar. In addition, by the cooperation of the sliding block 45 and the sliding rail 44, the sliding reliability of the pick-and-place device 42 is guaranteed.

Referring to fig. 11, in some embodiments, the machine 1 further includes a base 13, and a mounting space 14 is provided between the base 13 and the mounting table 10; the testing device 5 comprises a base 51, the base 51 is arranged on the bottom plate 13, a main support 52 extending above the installation table top 10 is arranged on the base 51, an upper branch support 53 and a lower branch support 54 are respectively connected to the main support 52, and the upper branch support 53 and the lower branch support 54 are positioned above the installation table top 10; the upper branch frame 53 is connected with a first laser displacement sensor 55, the lower branch frame 54 is connected with a second laser displacement sensor 56, and the first laser displacement sensor 55 and the second laser displacement sensor 56 are arranged up and down oppositely; the test position is located between the first and second

laser displacement sensors

55 and 56 to measure the thickness of the bar at the test position using the first and second

laser displacement sensors

55 and 56. When testing is performed, the transfer plate 82 may be moved together with the bar to be tested between the first laser displacement sensor 55 and the second laser displacement sensor 56, and the thickness of both together may be tested, since the thickness of the transfer plate 82 is fixed, the thickness of the bar may be derived. Of course, it is also possible to simply test the thickness of the bar. The specific test principle of testing thickness using two laser displacement sensors is known to those skilled in the art and will not be described in detail here. The test device 5 of the present utility model is not limited to the above-described method.

Referring to fig. 12, in some embodiments, the reject picking and placing apparatus 6 includes a fixing bracket 61 installed on the installation table 10, a driving cylinder 62 is installed at an upper end of the fixing bracket 61, a connection bracket 63 is installed at an output end of the driving cylinder 62, and the connection bracket 63 is connected with a vacuum suction module 64. The vacuum suction module 64 can be used for sucking the bar block after the vacuum suction module 64 is driven to move downwards to a proper position by the driving cylinder 2, and the use of the vacuum suction module 64 is convenient for realizing the taking and placing of the bar block.

Referring to fig. 13, in some embodiments, the reject receiving apparatus 7 includes a driving cylinder 71, the driving cylinder 71 is mounted at the bottom of the mounting deck 10, the driving cylinder 71 includes a driving shaft 72, the driving shaft 72 extends upward above the mounting deck 10, and a receiving rack 73 is mounted at the top end of the driving shaft 72; at least two guide rods 74 are further connected to the storage rack 73, at least two guide sleeves 75 corresponding to the at least two guide rods 74 are mounted on the mounting table top 10, and the at least two guide rods 74 respectively penetrate through the at least two guide sleeves 75. By providing the driving cylinder 71, the height of the housing frame 73 can be adjusted to be used in cooperation with the reject picking and placing device 6. The guide rod 74 and the guide sleeve 75 are matched, so that the lifting reliability is improved.

Referring to fig. 14 and 15, in some embodiments, the moving module 81 includes a second linear module 811 and a third linear module 812, the second linear module 811 is mounted on the mounting table 10 along a second direction, the third linear module 812 is mounted on the slide 8110 of the second linear module along a first direction, and the transfer plate 82 is disposed on the slide 8120 of the third linear module 812. Through the arrangement of the second linear module 811 and the third linear module 812, the transfer plate 82 can simultaneously realize movement in the first direction and the second direction, so that the transfer of the bar blocks is facilitated.

In order to facilitate the understanding of the present utility model, the use of the bar thickness test apparatus is described below in connection with specific embodiments.

First, the loading bin 21 moves to the loading position after loading is completed.

Then, the pick-and-place device 42 picks up the bar to be tested at the uppermost part of the loading bin 21, and the first linear module 41 drives the pick-and-place device 42 to move a certain distance from the loading position.

Then, the pick-and-place device 42 releases the bar to be tested onto the transfer plate 82, and the transfer plate 82 carries the bar to be tested to move to the testing position of the testing device 5 under the driving of the moving module 81.

Then, the testing device 5 tests the thickness of the bar to be tested, after the test is completed, the transfer plate 82 carries the test qualified bar to move to the position right below the pick-and-place device 42 under the drive of the moving module 81, the pick-and-place device 42 picks up the test qualified bar, and the test unqualified bar carries the test unqualified bar to move to the position right below the unqualified product picking-and-place device 6 for the unqualified product picking-and-place device 6 to pick up the test unqualified bar. After the pick-and-place device 42 picks up the qualified test bar, the qualified test bar is driven by the first linear module 41 to move to the position right above the blanking bin 31 and is blanked to the blanking bin 31. The defective goods taking and placing device 6 picks up the test defective bars and then releases the test defective bars to the defective goods receiving device 7.

When there are enough test acceptable bars in the blanking bin 31, they can be removed from the blanking position to facilitate removal of the bars, although this is not a limitation. After the reject receiving means 7 receives a certain number of test reject bars, the test reject bars may be taken away.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims

1. A bar thickness testing apparatus, comprising:

the machine comprises a mounting table board;

2. The bar thickness test equipment according to claim 1, wherein the feeding device further comprises two sliding rails arranged on the mounting table top side by side along a second direction, the second direction is perpendicular to the first direction, and two sides of the bottom of the feeding bin are respectively arranged on the corresponding sliding rails in a sliding manner through sliding blocks; the feeding device further comprises a first driver, the output end of the first driver is connected with the feeding bin, and the first driver is used for driving the feeding bin to slide along the sliding rail so as to move to or move from the feeding position.

3. The bar thickness test equipment according to claim 1, wherein the blanking device further comprises two sliding rails arranged on the mounting table top side by side along a second direction, the second direction is perpendicular to the first direction, and two sides of the bottom of the blanking bin are respectively arranged on the corresponding sliding rails in a sliding manner through sliding blocks; the discharging device further comprises a second driver, the output end of the second driver is connected with the discharging bin, and the second driver is used for driving the discharging bin to slide along the sliding rail so as to move to or move away from the discharging position.

4. The bar thickness test equipment according to claim 1, wherein the first lifting device comprises a mounting frame, the mounting frame comprises a bottom plate and a vertical plate, a driving motor is mounted on the lower side of the bottom plate, the output end of the driving motor upwards penetrates through the bottom plate and then is connected with a vertical screw rod, the upper end and the lower end of the screw rod are respectively mounted on the vertical plate through mounting seats, screw nuts are connected onto the screw rod in a threaded manner, the screw nuts are fixedly connected with a connecting plate, the first lifting piece is mounted on the upper side of the connecting plate, and sliding blocks are respectively fixedly connected onto two sides of the connecting plate; the two sides of the vertical plate are respectively and fixedly provided with a sliding rail which is vertically arranged, and the connecting plate is arranged on the sliding rail in a sliding way through the sliding blocks.

5. The bar thickness testing apparatus according to claim 4, wherein a slot is formed in a middle portion of the riser, the riser portion extends out of the slot, an induction piece is provided on a portion of the riser extending out of the slot, an inductor is provided on a side of the riser facing away from the slide rail, and the inductor is configured to induce the induction piece to move to a preset position.

6. The bar thickness testing apparatus of claim 1, wherein the pick-and-place device is a vacuum suction device, comprising a first drive cylinder with its output end facing downward and connected to a vacuum suction module; the first driving cylinder is arranged on the second driving cylinder through a first mounting plate and can move up and down under the driving of the first driving cylinder, and the second driving cylinder is arranged on the sliding seat of the first linear module through a second mounting plate; the mounting bracket is also provided with a sliding rail parallel to the first linear module, and the second mounting plate is arranged on the sliding rail in a sliding way through a sliding block.

7. The bar thickness testing apparatus of claim 1, wherein the machine further comprises a base plate having an installation space therebetween; the testing device comprises a base, wherein the base is arranged on the bottom plate, a main support extending to the upper side of the installation table top is arranged on the base, an upper branch support and a lower branch support are respectively connected to the main support, and the upper branch support and the lower branch support are positioned above the installation table top; the upper sub-bracket is connected with a first laser displacement sensor, the lower sub-bracket is connected with a second laser displacement sensor, and the first laser displacement sensor and the second laser displacement sensor are arranged up and down oppositely; the test location is located between the first and second laser displacement sensors to measure a thickness of a bar located at the test location using the first and second laser displacement sensors.

8. The bar thickness test equipment according to claim 1, wherein the reject picking and placing device comprises a fixed support installed on the installation table surface, a driving cylinder is installed at the upper end of the fixed support, a connecting support is installed at the output end of the driving cylinder, and the connecting support is connected with a vacuum suction module.

9. The bar thickness test apparatus according to claim 1, wherein the reject receiving means comprises a driving cylinder mounted at the bottom of the mounting table, the driving cylinder comprising a driving shaft extending upward above the mounting table, a receiving rack being mounted at the top end of the driving shaft; the storage rack is also connected with at least two guide rods, at least two guide sleeves corresponding to the at least two guide rods are arranged on the installation table surface, and the at least two guide rods respectively penetrate through the at least two guide sleeves.

10. The bar thickness testing apparatus of claim 1, wherein the movement module comprises a second linear module and a third linear module, the second linear module being mounted on the mounting table in the second direction, the third linear module being mounted on a slide of the second linear module in the first direction, the transfer plate being disposed on the slide of the third linear module.