CN216284042U

CN216284042U - Strong uncapping test machine

Info

Publication number: CN216284042U
Application number: CN202122438959.1U
Authority: CN
Inventors: 陈雪平; 詹焰
Original assignee: Shanghai Yuhan Machinery Co ltd
Current assignee: Shanghai Yuhan Machinery Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-12
Anticipated expiration: 2031-10-11

Abstract

The utility model belongs to the technical field of test equipment, and particularly relates to an uncovering test machine. A powerful uncovering test machine comprises a workbench, wherein a lower clamp mechanism for clamping a product is arranged on the workbench; the power uncap tester also includes: an up-down moving mechanism having an up-down moving end; a left-right moving mechanism which is provided with a left-right moving end, is arranged on the up-down moving end and is driven by the up-down moving mechanism to move up and down; the upper clamp mechanism is arranged on the left-right moving end and is driven by the left-right moving mechanism to move left and right; one end of the weighing sensor is connected with the upper clamp mechanism through a sensor mounting block; and the ejector rod is connected with the other end of the weighing sensor and faces the lower clamp mechanism. The force value detection device is simple in structure, convenient to use and wide in applicability, and can detect force value parameters for forcibly opening the cover body structure for a product with the cover body structure.

Description

Strong uncapping test machine

Technical Field

The utility model belongs to the technical field of test equipment, and particularly relates to an uncovering test machine.

Background

Devices with cover structures, such as electric pressure cookers (electric rice cookers), need to be subjected to a strong uncovering test before leaving a factory, detect force value parameters of the devices when the cover structures are forcibly opened by external force, and only when the force value parameters meet the required parameters, the devices can be taken as qualified products to leave the factory.

In the prior art, such a corresponding test device for detecting the force value parameter for forcibly opening the cover structure is lacking.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides a strong uncovering test machine.

A powerful uncovering test machine comprises a workbench, wherein a lower clamp mechanism for clamping a product is arranged on the workbench;

the power uncap tester further comprises:

an up-down moving mechanism having an up-down moving end;

the left-right moving mechanism is provided with a left-right moving end, is arranged on the up-down moving end and is driven by the up-down moving mechanism to move up and down;

the upper clamp mechanism is arranged on the left-right moving end and is driven by the left-right moving mechanism to move left and right;

one end of the weighing sensor is connected with the upper clamp mechanism through a sensor mounting block;

and the ejector rod is connected with the other end of the weighing sensor and faces the lower clamp mechanism.

When the forced opening device is used, a product is placed on the lower clamp mechanism, the product is stably clamped through the lower clamp mechanism, the ejector rod is placed at a position, needing to be opened, on the product through the combined action of the up-down moving mechanism, the left-right moving mechanism and the upper clamp mechanism, the ejector rod is driven to move upwards through the up-down moving mechanism to open the cover forcibly, meanwhile, the weighing sensor detects a force value of the upward movement in real time, and force value parameters for forcibly opening the cover body structure of the product with the cover body structure are detected.

The lower clamp mechanism includes:

the upper end surface and the lower end surface of the clamp cylinder are of open structures, and the interior of the clamp cylinder is of a hollow structure;

the clamping devices are arranged at least one circle along the circumference of the clamp cylinder;

each of the clamping devices comprises:

the screw rod penetrates through the clamp barrel from the outside of the clamp barrel, faces the center of the clamp barrel and is in threaded connection with the barrel wall of the clamp barrel;

the hand wheel is fixed with one end of the screw rod positioned outside the clamp cylinder;

and the nylon tap is fixed with the other end of the screw rod positioned in the clamp cylinder.

When the product clamping device is used, a product is placed in the clamp barrel, the screw rod can horizontally move towards the interior of the clamp barrel along the barrel wall of the clamp barrel by rotating the hand wheel, and the product is clamped in the clamp barrel under the combined action of a circle of screw rods.

The lower clamp mechanism further includes:

the rotating mechanism is provided with a rotating shaft, and the axial direction of the rotating shaft is vertical;

and the rotating disc is positioned above the rotating mechanism, the bottom surface of the rotating disc is connected with the rotating shaft, the rotating mechanism drives the rotating disc to rotate vertically, and the top surface of the rotating disc is provided with the clamp cylinder.

When the device is used, a product clamped by the clamp barrel can be driven by the rotating mechanism to rotate, so that the force value of the powerful cover opening can be detected under the condition of different cover opening positions in the circumferential direction.

The rotating mechanism includes:

a rotating motor having a motor shaft;

the speed reducer is connected with the motor shaft and is provided with a speed reducing shaft, and the speed reducing shaft is the rotating shaft;

one end of the rotating disc shaft is connected with the rotating shaft, and the other end of the rotating disc shaft is connected with the bottom surface of the rotating disc;

and the speed reducer fixing disc is connected with the rotating disc shaft through a thrust cylindrical roller bearing.

The power uncap tester further comprises:

a forward-backward moving mechanism having a forward-backward moving end;

the fixed flange is positioned below the speed reducer fixed disc, is connected with the front and rear moving end and is driven by the front and rear moving mechanism to move front and rear;

the bottom end of the support rods is connected with the fixed flange, and the top end of the support rods is connected with the speed reducer fixed disc;

and the cover shell is fixed on the fixed flange and covers the support rod and the rotating mechanism.

When the product of isostructure tests, or under the existence rotation product condition, because the structural constraint of product, the ejector pin probably can't reach the department that need uncap on the product, the position of adjusting the product through drive back-and-forth movement mechanism this moment in order to adapt to the detection demand when different positions.

The back-and-forth movement mechanism includes:

the two sliding rails are arranged on the workbench in parallel along the front-back direction;

the two sliding blocks are respectively connected with the two sliding rails in a sliding manner;

the front-back moving screw rod is arranged on the workbench along the front-back direction and is positioned between the two slide rails;

the back-and-forth moving nut is arranged on the back-and-forth moving screw rod and is driven by the rotation of the back-and-forth moving screw rod to move back and forth;

the back-and-forth moving hand wheel is fixed with one end of the back-and-forth moving screw rod and drives the back-and-forth moving screw rod to rotate;

and the sliding plate is used as the front and rear moving end, the top surface of the sliding plate is fixed with the fixed flange, the middle part of the bottom surface of the sliding plate is fixed with the front and rear moving nut, and the left side and the right side of the bottom surface of the sliding plate are respectively fixed with the sliding block and are driven by the front and rear moving nut to move front and rear.

The left-right moving mechanism comprises:

two guide shaft supports fixed to left and right sides of the up-down moving end;

the upper clamp guide shaft is arranged along the left-right direction, and two ends of the upper clamp guide shaft are respectively fixed with the two guide shaft supports;

and the upper clamp sliding block is used as the left and right moving end and is in sliding connection with the upper clamp guide shaft.

Go up anchor clamps mechanism includes:

the top surface of the upper clamp fixing disc is fixed with the left and right moving ends;

the first rotating disc is positioned below the upper clamp fixing disc and is provided with at least one first arc-shaped through groove communicated up and down;

at least one first external thread type fixing handle which penetrates through the first arc-shaped through groove and is in threaded connection with the upper clamp fixing disc;

and the top of the rotating connecting rod is connected with the middle part of the first rotating disk, and the bottom of the rotating connecting rod is connected with the sensor mounting block.

The first external thread type fixing handle is used for fixing the first rotating disk, when the first rotating disk needs to be rotated, the first external thread type fixing handle is unscrewed, due to the design of the first arc-shaped through groove, the first rotating disk can rotate to a preset position along the first arc-shaped through groove, then the first external thread type fixing handle is screwed, and the first rotating disk is pressed to be fixed through the first external thread type fixing handle.

The first rotating disc is provided with two first arc-shaped through grooves, the openings of the two first arc-shaped through grooves are opposite, and the circle centers of the two first arc-shaped through grooves are superposed with the circle center of the first rotating disc;

the first external thread type fixing handles are also two and penetrate through the first arc-shaped through grooves and then are connected with the upper clamp fixing disc in a threaded mode.

Go up anchor clamps mechanism still includes:

the Y-shaped joint is connected with the bottom of the rotary connecting rod and is provided with a rotatable joint rotating shaft, and the axial direction of the joint rotating shaft is the horizontal direction;

one end of the rotating block is connected with the sensor mounting block, and the other end of the rotating block is connected with the joint rotating shaft and is driven by the joint rotating shaft to rotate;

the second rotating disc is provided with at least one second arc-shaped through groove communicated from front to back, is connected with the joint rotating shaft and drives the joint rotating shaft to rotate;

and the second external thread type fixed handle penetrates through the second arc-shaped through groove and is in threaded connection with the rotary connecting rod.

Through the design, the upper clamp mechanism can rotate around the transverse direction. The upper clamp mechanism can move along the left and right directions, rotate around the vertical direction and rotate around the transverse direction, so that the ejector rods on the upper clamp mechanism can be more suitable for the product requirements of different specifications.

Has the advantages that: the force value detection device is simple in structure, convenient to use and wide in applicability, and can detect force value parameters for forcibly opening the cover body structure for a product with the cover body structure.

Drawings

FIG. 1 is a schematic view of an overall structure of the present invention;

FIG. 2 is a partial internal schematic view of FIG. 1;

FIG. 3 is a schematic view of a lower clamping mechanism according to the present invention;

fig. 4 is a schematic structural diagram of the upper clamp mechanism of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific drawings.

Referring to fig. 1 to 4, a powerful cap opening tester includes a table 100, a lower clamp mechanism 200, an upper clamp mechanism 300, an up-down moving mechanism 400, a left-right moving mechanism 500, a front-back moving mechanism 600, a weighing sensor 710, a top bar 720, a fixing flange 810, a plurality of support bars 820, and a housing 830.

Referring to fig. 2 and 3, the lower clamp mechanism 200 is used to clamp a product 900, and the lower clamp mechanism 200 includes a clamp cylinder 210, a plurality of clamping devices 220, a rotating mechanism 230, and a turntable 240.

The fixture cylinder 210 is a cylindrical structure, that is, the upper and lower end faces of the fixture cylinder 210 are open and the interior thereof is hollow, and the fixture cylinder 210 can accommodate the product 900. The plurality of gripping devices 220 are arranged at least one turn along the circumference of the gripper cylinder 210. As shown in fig. 3, the plurality of gripping devices 220 are arranged in two upper and lower circles along the circumference of the gripper cylinder 210, each circle having five gripping devices 220 uniformly arranged along the circumference of the gripper cylinder 210, and the gripping devices 220 of adjacent two circles are alternately arranged.

Each clamping device 220 includes a threaded rod 221, a hand wheel 222, and a nylon head 223. The screw 221 passes through the clamp cylinder 210 from the outside of the clamp cylinder 210 and then faces the center of the clamp cylinder 210, and the screw 221 is in threaded connection with the cylinder wall of the clamp cylinder 210. In specific implementation, through holes with the same number as the number of the screws 221 are dug in the wall of the clamp barrel 210, internal threads are arranged in the through holes, and external threads on the screws 221 are in threaded connection with the internal threads. The hand wheel 222 is fixed to one end of the screw 221 located outside the jig cylinder 210. The nylon tap 223 is fixed to the other end of the screw 221 located in the jig cylinder 210. The nylon tap 223 may prevent the product 900 from wearing when clamped. When the product 900 clamping fixture is used, the product 900 is placed in the fixture barrel 210, the screw rods 221 can horizontally move towards the interior of the fixture barrel 210 along the barrel wall of the fixture barrel 210 by rotating the hand wheel 222, and the product 900 is clamped in the fixture barrel 210 under the combined action of the screw rods 221.

The rotating mechanism 230 has a rotating shaft whose axial direction is vertical. The rotating mechanism 230 includes a rotating motor, a speed reducer, a turntable shaft, and a speed reducer fixing plate 231. The rotating motor has a motor shaft. The speed reducer is connected with the motor shaft and is provided with a speed reducing shaft which is a rotating shaft. One end of the turntable shaft is connected to the rotation shaft, and the other end of the turntable shaft is connected to the bottom surface of the turntable 240. The reducer retainer plate 231 is connected to the turntable shaft through a thrust cylindrical roller bearing.

The turntable 240 is located above the rotating mechanism 230, the bottom surface of the turntable 240 is connected with the rotating shaft through a turntable shaft, the turntable 240 is driven by the rotating mechanism 230 to rotate vertically, the clamp cylinder 210 is arranged on the top surface of the turntable 240, and the clamp cylinder 210 is driven by the rotating mechanism 230 through the turntable 240 to rotate vertically.

When the utility model is used, the product 900 clamped by the clamp barrel 210 can be driven by the rotating mechanism 230 to rotate, so that the force value of the powerful cover opening can be detected under the condition of different cover opening positions in the circumferential direction.

Referring to fig. 2 and 4, the upper clamp mechanism 300 is disposed on a left-right moving end of the left-right moving mechanism 500, and is moved left and right by the left-right moving mechanism 500. The upper clamp mechanism 300 includes an upper clamp fixing plate 310, a first rotating plate 320, at least one first male screw type fixing handle 330, a rotating connection rod 340, a Y-shaped joint 350, a rotating block 360, a second rotating plate 370, a second male screw type fixing handle 380.

The top surface of the upper clamp fixing disc 310 is fixed with the left and right movement ends.

The first rotating disk 320 is located below the upper clamp fixing disk 310, and the first rotating disk 320 is preferably a disk-shaped structure of a flat cylindrical shape. The first rotating disk 320 is provided with at least one first arc-shaped through groove 321 which is communicated up and down, preferably, two first arc-shaped through grooves 321 are arranged on the first rotating disk 320, the openings of the two first arc-shaped through grooves 321 are opposite, and the circle centers of the two first arc-shaped through grooves 321 coincide with the circle center of the first rotating disk 320.

The first external screw thread type fixing handle 330 passes through the first arc-shaped through groove 321 to be in threaded connection with the upper clamp fixing plate 310. Preferably, there are two first external thread type fixing handles 330, and the two first external thread type fixing handles 330 respectively pass through the two first arc-shaped through slots 321 and then are respectively in threaded connection with the upper clamp fixing plate 310.

The top of the rotation link 340 is connected to the middle of the first rotation disk 320, and the bottom of the rotation link 340 is connected to the sensor mounting block 711 via the Y-joint 350 and the rotation block 360.

The first external thread type fixing handle 330 is used for fixing the first rotating disk 320, when the first rotating disk 320 needs to be rotated, the first external thread type fixing handle 330 is unscrewed, due to the design of the first arc-shaped through groove 321, the first rotating disk 320 can be rotated to a preset position along the first arc-shaped through groove 321, then the first external thread type fixing handle 330 is screwed, and the first rotating disk 320 is pressed to be fixed through the first external thread type fixing handle 330.

The Y-shaped joint 350 is connected to the bottom of the rotating connecting rod 340, the Y-shaped joint 350 has a rotatable joint rotating shaft 351, and the axial direction of the joint rotating shaft 351 is a horizontal direction.

One end of the rotating block 360 is connected with the sensor mounting block 711, the other end of the rotating block 360 is connected with the joint rotating shaft 351, and the rotating block 360 is driven by the joint rotating shaft 351 to rotate.

The second rotary disk 370 is provided with at least one second arc-shaped through slot 371 communicating front and back, and the second rotary disk 370 is preferably a flat sector structure with a central angle preferably smaller than 90 °. The second rotating disc 370 is connected to the joint rotating shaft 351, and the second rotating disc 370 drives the joint rotating shaft 351 to rotate.

The second external thread type fixing handle 380 passes through the second arc-shaped through groove 371 to be screw-coupled with the rotating link 340.

With the above design, the upper clamp mechanism 300 of the present invention can also rotate around the transverse direction. The upper clamp mechanism 300 of the present invention can move along the left and right direction, rotate around the vertical direction, and rotate around the transverse direction, so that the top rod 720 thereon can be more suitable for the requirements of products 900 with different specifications.

The up-down moving mechanism 400 has an up-down moving end. The up-down moving mechanism 400 may be the up-down moving mechanism 400 of the prior art, or may be configured as follows:

referring to fig. 2, the up-and-down moving mechanism 400 includes a driving motor 410, two up-and-down moving screws 420, two up-and-down moving nuts 430, a moving plate 440, a transmission mechanism 450, a top plate 460, and two guide bars 470.

The driving motor 410 is fixed on the worktable 100, and a motor shaft of the driving motor 410 passes through the worktable 100 and extends out of the bottom surface of the worktable 100. The driving motor 410 may be a driving motor 410 with a speed reducer, and as shown in fig. 1, a motor cover 411 may be covered outside the driving motor 410 to prevent dust.

The two up-down moving screw rods 420 are axially vertical, the two up-down moving screw rods 420 are fixed on two sides of the workbench 100 through screw rod bearing seats respectively, the bottom ends of the two up-down moving screw rods 420 penetrate through the workbench 100 and are connected with the driving motor 410 through the transmission mechanism 450, and the two up-down moving screw rods 420 are driven by the driving motor 410 to rotate.

The two up-and-down moving nuts 430 are respectively disposed on the two up-and-down moving screws 420, and the up-and-down moving nuts 430 are driven by the respective up-and-down moving screws 420 to move up and down.

The movable plate 440 serves as an up-down moving end, both ends of which are fixed to the two up-down moving nuts 430, respectively, the movable plate 440 is driven by the two up-down moving nuts 430 to move up and down, and the upper clamp mechanism 300 is fixed to the bottom surface of the movable plate 440.

The transmission mechanism 450 is disposed below the worktable 100, and the transmission mechanism 450 includes a motor synchronizing wheel, a tension wheel, two screw rod synchronizing wheels, and a synchronous belt. The motor synchronizing wheel is connected with a motor shaft of the driving motor 410, and when a speed reducer is provided, the motor synchronizing wheel is connected with a speed reducing shaft of the speed reducer. The tensioning wheel is fixed below the working table 100 through a tensioning wheel axle seat. The two lead screw synchronizing wheels are respectively connected with the bottom ends of the two up-and-down moving lead screws 420. The synchronous belt is connected with the motor synchronous wheel, the tension wheel and the two screw rod synchronous wheels in a closed mode.

The top plate 460 is located above the movable plate 440, and the top plate 460 is fixed to the top end of the up-and-down moving screw rod 420 through a deep groove ball bearing.

The two guide rods 470 are respectively located at the sides of the two up-and-down moving screws 420, the bottom ends of the guide rods 470 are fixed on the worktable 100, and the top ends of the guide rods 470 penetrate through the movable plate 440 and then are fixed on the top plate 460. In a specific embodiment, one guide bar 470 is disposed at a front side of one up-and-down moving screw 420, and the other guide bar 470 is disposed at a rear side of the other up-and-down moving screw 420. Preferably, the two up-and-down moving screws 420 and the two guide bars 470 are respectively covered with a side cover 480.

Referring to fig. 1 and 2, the left-right moving mechanism 500 has a left-right moving end, the left-right moving mechanism 500 is provided on the up-down moving end, and the left-right moving mechanism 500 is driven by the up-down moving mechanism 400 to move up and down. The left-right moving mechanism 500 includes two guide shaft supports 510, at least one upper jig guide shaft 520, and an upper jig slider 530. Two guide shaft supports 510 are fixed to the left and right sides of the up-down moving end. The upper jig guide shaft 520 is provided in the left and right direction, and both ends of the upper jig guide shaft 520 are fixed to the two guide shaft brackets 510, respectively. Preferably, there are two upper jig guide shafts 520, and the two upper jig guide shafts 520 are arranged side by side. The upper jig slider 530 is slidably coupled to the upper jig guide shaft 520 as a left-right moving end.

Referring to fig. 2 and 3, the back-and-forth movement mechanism 600 has a back-and-forth movement end, and the back-and-forth movement mechanism 600 includes two slide rails 610, two sliders 620, a back-and-forth movement screw 630, a back-and-forth movement nut, a back-and-forth movement hand wheel 640, and a slide plate 650.

The two slide rails 610 are provided on the table 100 in parallel with each other in the front-rear direction. The two sliding blocks 620 are respectively connected with the two sliding rails 610 in a sliding manner. The back-and-forth movement screw 630 is disposed on the table 100 in the back-and-forth direction, and the back-and-forth movement screw 630 is located between the two slide rails 610. The back-and-forth moving nut is arranged on the back-and-forth moving screw 630, and is driven by the rotation of the back-and-forth moving screw 630 to move back and forth. The forward-backward moving hand wheel 640 is fixed to one end of the forward-backward moving screw 630, and the forward-backward moving hand wheel 640 drives the forward-backward moving screw 630 to rotate. The sliding plate 650 serves as a front-rear moving end, the top surface of the sliding plate 650 is fixed to the fixing flange 810, the middle portion of the bottom surface of the sliding plate 650 is fixed to the front-rear moving nut, the left side and the right side of the bottom surface of the sliding plate 650 are fixed to the sliding block 620, and the sliding plate 650 is driven by the front-rear moving nut to move front and rear.

One end of the load cell 710 is connected to the upper clamp mechanism 300 through a sensor mounting block 711. The ejector pin 720 is connected to the other end of the load cell 710, the ejector pin 720 facing the lower clamp mechanism 200.

The fixed flange 810 is located below the speed reducer fixing disc 231, the fixed flange 810 is connected with the front and rear moving end of the front and rear moving mechanism 600, and the fixed flange 810 is driven by the front and rear moving mechanism 600 to move front and rear. The bottom end of the support rod 820 is connected with the fixing flange 810, and the top end of the support rod 820 is connected with the speed reducer fixing disc 231. The housing 830 is fixed to the fixing flange 810, and the housing 830 houses the support bar 820 and the rotating mechanism 230 therein.

When products 900 with different structures are tested, or under the condition that the products 900 rotate, due to structural limitation of the products 900, the ejector rods 720 may not reach the positions, needing to be opened, of the products 900, and at the moment, the positions of the products 900 are adjusted by driving the front-back moving mechanism 600 to meet detection requirements in different positions.

When the device is used, a product 900 is placed on the lower clamp mechanism 200, the product 900 is stably clamped through the lower clamp mechanism 200, the ejector rod 720 is placed on the product 900 at a position needing to be opened through the combined action of the upper clamp mechanism 300, the up-down moving mechanism 400, the left-right moving mechanism 500 and the front-back moving mechanism 600, the ejector rod 720 is driven to move upwards through the up-down moving mechanism 400 to open the cover forcibly, meanwhile, the weighing sensor 710 detects the force value of the upward movement in real time, and the force value parameter for forcibly opening the cover body structure of the product 900 with the cover body structure is detected.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A powerful uncovering test machine comprises a workbench, wherein a lower clamp mechanism for clamping a product is arranged on the workbench;

it is characterized in that the powerful uncapping testing machine further comprises:

an up-down moving mechanism having an up-down moving end;

2. A power cap tester as claimed in claim 1 wherein the lower clamp mechanism comprises:

each of the clamping devices comprises:

3. A power cap tester as claimed in claim 2 wherein the lower clamp mechanism further comprises:

4. A power cap tester as claimed in claim 3 wherein said rotation mechanism comprises:

a rotating motor having a motor shaft;

5. The power cap tester of claim 4 further comprising:

a forward-backward moving mechanism having a forward-backward moving end;

6. A power cap tester as claimed in claim 5 wherein said forward and backward moving mechanism comprises:

7. A power cap tester as claimed in claim 1 wherein the side-to-side mechanism comprises:

8. A power cap opening tester as claimed in any one of claims 1 to 7, wherein the upper clamp mechanism comprises:

9. The forced cover opening testing machine according to claim 8, wherein the first rotating disc is provided with two first arc-shaped through grooves, the openings of the two first arc-shaped through grooves are opposite, and the circle centers of the two first arc-shaped through grooves coincide with the circle center of the first rotating disc;

10. A power cap tester as claimed in claim 8 wherein said upper clamp mechanism further comprises: