CN217777312U

CN217777312U - Demoulding device

Info

Publication number: CN217777312U
Application number: CN202221929530.0U
Authority: CN
Inventors: 蔡炜; 刘治平; 庄凌; 林立晟
Original assignee: Fujian Gute New Engineering Supervision Consulting Co ltd
Current assignee: Fujian Gute New Engineering Supervision Consulting Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-11
Anticipated expiration: 2032-07-25

Abstract

The application discloses a stripper, which relates to the technical field of concrete detection equipment, improves the potential safety hazard of a clamping hand, solves the problems that the clamping hand is not fixed in place and a test tube is easy to slide, and comprises a top plate, a bottom plate and a connecting rod for connecting the top plate and the bottom plate; a hydraulic cylinder is arranged on the bottom plate; a die outlet is formed in the top plate; the ejector also comprises a clamping assembly for fixing the test tube; the clamping assembly comprises a three-jaw chuck which is arranged between the top plate and the bottom plate and moves along the axial direction of the connecting rod; the three-jaw chuck comprises a circular disk seat, three jaws distributed along the circumferential direction of the circular disk seat and a control piece for controlling the jaws to synchronously move towards the center of the circular disk seat; a through hole coaxial with a piston rod of the hydraulic cylinder axially penetrates through the middle of the circular disc seat; a clamping plate is arranged at the clamping end of the clamping jaw; and one end of the clamping plate close to the bottom plate is fixedly provided with a supporting block for supporting the test tube. This application can improve the comparatively trouble problem of operation among the drawing of patterns process.

Description

Demoulding device

Technical Field

The application relates to the technical field of concrete inspection equipment, in particular to a stripper.

Background

The stripper is an apparatus that strips the concrete prepared in the test cylinder from the test cylinder.

The utility model discloses a chinese utility model patent document that current bulletin number is CN2880437Y discloses a novel hydraulic pressure stripper, and novel hydraulic pressure stripper includes the frame, is equipped with the pneumatic cylinder on the bottom plate of frame bottom, and frame upper portion is equipped with the roof of taking the centre bore, and the play axle of pneumatic cylinder sets up with the centre bore of roof is concentric, roof and bottom plate are connected as an organic wholely by the connecting rod, the roof downside is furnished with a set of detachable drawing of patterns board group, every drawing of patterns board in the drawing of patterns board group corresponds a standard examination section of thick bamboo, respectively has a shoulder hole on the drawing of patterns board, the last internal diameter of upper bore of shoulder hole is greater than corresponding examination section of thick bamboo internal diameter, is less than corresponding examination section of thick bamboo external diameter, the lower internal diameter of shoulder hole is greater than corresponding examination section of thick bamboo external diameter.

In view of the above-mentioned related technologies, the inventor believes that in the demolding process, the test tube needs to be held by hand to play a fixing role, and the test tube can be released only after demolding is completed, so that the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the operation is troublesome in the demolding process, the application provides a demolding device.

The application provides a stripper adopts following technical scheme:

a kind of knockout, including roof, bottom plate, tie rod to connect roof and bottom plate; a hydraulic cylinder is arranged on the bottom plate; a die outlet is formed in the top plate; the test tube fixing device also comprises a clamping assembly for fixing the test tube; the clamping assembly comprises a three-jaw chuck which is arranged between the top plate and the bottom plate and moves along the axial direction of the connecting rod; the three-jaw chuck comprises a circular disk seat, three jaws distributed along the circumferential direction of the circular disk seat and a control piece for controlling the jaws to synchronously move towards the center of the circular disk seat; a through hole coaxial with a piston rod of the hydraulic cylinder axially penetrates through the middle of the circular disc seat; a clamping plate is arranged at the clamping end of the clamping jaw; and one end of the clamping plate close to the bottom plate is fixedly provided with a supporting block for supporting the test tube.

Through adopting above-mentioned technical scheme, at the drawing of patterns in-process, through the jack catch in adjusting clamping assembly, the splint that drive on the jack catch presss from both sides tight examination section of thick bamboo. And the supporting shoe on the splint can support a test tube, so that the test tube is not easy to slide downwards, and the test tube does not need to be held by hands when being demolded, and the operation is more convenient.

Optionally, the clamping plate is provided with an adjusting rod capable of sliding up and down along the axis direction of the connecting rod; one end of the adjusting rod close to the top plate is provided with a limiting plate parallel to the clamping jaw; and one end of the limiting plate, which is close to the circular disc seat, is used for abutting against the edge of the upper end of the test tube.

By adopting the technical scheme, the limiting plate can abut against the upper end edge of the test cylinder, so that the test cylinder is not easy to be ejected together with a sample to cause demoulding failure, and the stability of the clamping assembly in clamping the test cylinder is improved.

Optionally, the limiting plate is provided with a sliding block, the top plate is provided with a guide groove, and the sliding block is arranged in the guide groove in a sliding manner and is always located in the guide groove.

Through adopting above-mentioned technical scheme, the limiting plate can be according to the position of a test section of thick bamboo size adjustment limiting plate along with the removal of splint, and a test section of thick bamboo of multiple size can be used to the knockout.

Optionally, an elastic member capable of driving the circular disk seat to move towards the top plate is arranged between the three-jaw chuck and the bottom plate.

Through adopting above-mentioned technical scheme, utilize the elasticity of elastic component to promote the direction removal of circular disk seat area examination section of thick bamboo orientation roof for the one end of examination section of thick bamboo is located the delivery port department of roof, so that carry out the drawing of patterns operation of examination section of thick bamboo.

Optionally, the elastic member comprises a spring; one end of the spring is connected with the bottom plate, and the other end of the spring is connected with the circular disc seat.

Through adopting above-mentioned technical scheme, adopt the spring as elastic component, have simple structure, the stable advantage of atress.

Optionally, the spring is fitted around an outer peripheral side of the connecting rod.

Through adopting above-mentioned technical scheme, the spring can be along connecting rod axis deformation and at the difficult crooked of in-process spring that pushes down, has improved the stability of spring.

Optionally, a round hole for the connecting rod to pass through is formed in the round chuck; the connecting rod is always inserted into the round hole.

Through adopting above-mentioned technical scheme, set up the round hole that supplies the connecting rod to pass on circular disk seat, realize sliding from top to bottom of circular disk seat, and frictional resistance is less.

Optionally, the clamping plate is arc-shaped; and an anti-slip pad is arranged on one side, away from the clamping jaw, of the clamping plate.

Through adopting above-mentioned technical scheme, be provided with the slipmat on the jack catch and can further fix a examination section of thick bamboo, reduce the gliding possibility of a examination section of thick bamboo in drawing of patterns in-process.

In summary, the present application includes at least one of the following benefits:

1. the test tube fixing device can fix the test tube, and the test tube does not need to be held by hands during demoulding;

2. is suitable for test tubes with various sizes.

Drawings

Fig. 1 is a schematic view of the overall structure of an ejector according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a clamping assembly in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of a portion of a clamping assembly in accordance with an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a circular disk seat according to an embodiment of the present application;

fig. 5 is an exploded view of a circular tray according to an embodiment of the present application.

Description of reference numerals: 1. a top plate; 2. a base plate; 3. a connecting rod; 4. testing the cylinder; 5. a hydraulic cylinder; 6. discharging the mold; 7. a three-jaw chuck; 71. a circular disk seat; 72. a jaw; 73. a splint; 8. a piston rod; 9. a through hole; 10. a circular hole; 11. a support block; 12. a non-slip mat; 13. a spiral disc; 14. a bevel gear; 15. a handle; 16. a conical gear ring; 17. adjusting a rod; 18. a limiting plate; 19. a slider; 20. a guide groove; 21. a spring; 22. an end cap; 23. a chute; 24. and (6) sliding holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a stripper. Referring to fig. 1 and 2, the ejector includes a top plate 1, a bottom plate 2, a connecting rod 3 connecting the top plate 1 and the bottom plate 2, and a clamping assembly for fixing a test tube 4. The bottom plate 2 is provided with a hydraulic cylinder 5, the top plate 1 is provided with a die outlet 6, the clamping assembly comprises a three-jaw chuck 7 which is arranged between the top plate 1 and the bottom plate 2 and moves axially along the connecting rod 3, and the three-jaw chuck 7 is provided with a through hole 9 for a piston rod 8 of the hydraulic cylinder 5 to pass axially along the connecting rod 3. The three-jaw chuck 7 comprises a circular disk seat 71; the circular disk seat 71 is provided with a circular hole 10 for the connecting rod 3 to pass through, and the connecting rod 3 is always arranged in the circular hole 10 in a penetrating manner. The test tube 4 with the sample is fixed by the clamping assembly, and the piston rod 8 of the control hydraulic cylinder 5 moves upwards through the through hole 9, so that the sample in the test tube 4 is ejected out of the mold outlet 6.

Referring to fig. 2 and 3, the three-jaw chuck 7 further includes jaws 72 and a control member; the three claws 72 are distributed along the circumferential direction of the circular disc seat 71; the control member is used for controlling the three claws 72 to synchronously move towards the center of the circular disk seat 71. The clamping end of the clamping jaw 72 is fixed with a clamping plate 73, the clamping plate 73 is arc-shaped, the arc opening of the clamping plate 73 faces the center of the circular disk seat 71, and the clamping plate 73 is used for clamping the test tube 4.

Referring to fig. 2 and 3, a supporting block 11 is fixed at one end of the clamping plate 73 close to the bottom plate 2, and when the clamping plate 73 can abut against the test tube 4, the supporting block 11 can prevent the test tube 4 from falling downward. The clamping plate 73 is far away from the claws 72 to fix the adhesive skid-proof pad 12, so as to increase the frictional resistance between the clamping plate 73 and the test tube 4 and reduce the possibility that the test tube 4 slides on the clamping plate 73.

Referring to fig. 3, the clamp plate 73 is provided with an adjustment lever 17 which slides up and down in the axial direction of the tie rod 3. Specifically, a vertically-penetrated sliding hole 24 is formed in the clamping plate 73, the adjusting rod 17 is arranged in the sliding hole 24 in a sliding manner, a limiting plate 18 parallel to the clamping jaw 72 is arranged at one end, close to the top plate 1, of the adjusting rod 17, and one end, close to the center line of the circular disk seat 71, of the limiting plate 18 is used for abutting against the upper end edge of the test tube 4, so that the test tube 4 is installed between the limiting plate 18 and the supporting block 11.

Referring to fig. 1 and 3, a sliding block 19 is integrally formed on the upper end surface of the limiting plate 18, a guide groove 20 matched with the sliding block 19 is formed in the top plate 1, the guide groove 20 extends towards the direction perpendicular to the axis direction of the mold outlet 6, and the sliding block 19 and the guide groove 20 are both in a T-shaped structure. Of course, in another embodiment, the sliding block 19 may be a dovetail-shaped limiting structure. So that the stopper plate 18 can be always coupled in the guide groove 20 of the top plate 1 by the slider 19. By changing the length of the adjusting rod 17 and the position of the limiting plate 18 moving along with the clamping plate 73, the clamping assembly can clamp test tubes 4 of different sizes.

Referring to fig. 4 and 5, the control element comprises a spiral disc 13 which is arranged in a circular disc seat 71 and is coaxial with the circular disc seat 71, the spiral disc 13 is connected with a jaw 72 by adopting a plane thread structure, and a bevel gear ring 16 is fixed at one end of the spiral disc 13 far away from the jaw 72. The control member further comprises a bevel gear 14 rotatably connected to the circular disc seat 71, and the bevel gear 14 is engaged with the bevel ring 16. And a handle 15 coaxially and fixedly connected with the bevel gear 14 is rotatably connected to the outer side of the circular disk seat 71, and the handle 15 is used for controlling the rotation of the bevel gear 14. The bottom of the circular disk seat 71 is fixedly connected with the end cover 22 through bolts, so that the spiral disk 13 can be conveniently detached and installed.

Referring to fig. 4 and 5, the bevel gear 14 is driven to rotate by shaking the handle 15, the bevel gear 14 drives the spiral disk 13 to start rotating, and the spiral disk 13 rotates to drive the three jaws 72 in threaded connection therewith to move together towards the center of the circular disk seat 71, so that the clamping plates 73 on the jaws 72 can be clamped on the outer wall of the test tube 4 at the same time.

Referring to fig. 1, an elastic member is disposed between the circular tray seat 71 and the bottom plate 2, and the elastic member can push the circular tray seat 71 to move the test cartridge toward the top plate 1. In particular, the elastic member comprises a spring 21. The spring 21 is sleeved on the connecting rod 3, one end of the spring 21 is propped against the bottom of the circular disc seat 71, and the other end of the spring 21 is propped against the bottom plate 2. When placing a test tube 4, need push down three-jaw chuck 7, reserve the space and place a test tube 4, placed a test tube 4 and waved handle 15 and let splint 73 press from both sides tight a test tube 4 after, utilize spring 21 to promote the rebound that makes progress of circular disk seat 71 after the hand loosening, make a test tube 4 fix between limiting plate 18 and supporting shoe 11.

The implementation principle of the ejector in the embodiment of the application is as follows: the circular disk seat 71 is pressed downwards, the test tube 4 filled with the sample is placed between three clamping plates of the circular disk seat 71, the clamping jaws 72 of the three-jaw chuck 7 are adjusted by the operating handle 15, the clamping plates 73 on the clamping jaws 72 clamp the test tube 4, then the hands are released, the circular disk seat 71 is subjected to the elastic force of the spring 21, the adjusting rod 17 connected with the clamping jaws 72 is shortened, and the test tube 4 is clamped between the supporting block 11 and the limiting plate 18. Then, the piston rod 8 of the hydraulic cylinder 5 is controlled to move upwards from the gap between the three-jaw chucks 7, so that the sample in the test tube 4 is ejected out of the die outlet 6, and the die stripping can be finished.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A stripper comprises a top plate (1), a bottom plate (2) and a connecting rod (3) for connecting the top plate (1) and the bottom plate (2); a hydraulic cylinder (5) is arranged on the bottom plate (2); a die outlet (6) is formed in the top plate (1); the method is characterized in that: the test tube fixing device also comprises a clamping component for fixing the test tube (4); the clamping assembly comprises a three-jaw chuck (7) which is arranged between the top plate (1) and the bottom plate (2) and moves along the axial direction of the connecting rod (3); the three-jaw chuck (7) comprises a circular disk seat (71), three jaws (72) distributed along the circumference of the circular disk seat (71) and a control piece for controlling the jaws (72) to synchronously move towards the center of the circular disk seat (71); a through hole (9) coaxial with a piston rod (8) of the hydraulic cylinder (5) axially penetrates through the middle of the circular disc seat (71); a clamping plate (73) is arranged at the clamping end of the clamping jaw (72); one end of the clamping plate (73) close to the bottom plate (2) is fixed with a supporting block (11) for supporting the test tube (4).

2. A stripper as defined in claim 1, wherein: the clamping plate (73) is provided with an adjusting rod (17) which can slide up and down along the axial direction of the connecting rod (3); one end of the adjusting rod (17) close to the top plate (1) is provided with a limiting plate (18) parallel to the clamping jaw (72); one end of the limiting plate (18) close to the circular disc seat (71) is used for abutting against the edge of the upper end of the test tube (4).

3. A stripper as defined in claim 2, wherein: the limiting plate (18) is provided with a sliding block (19), the top plate (1) is provided with a guide groove (20), and the sliding block (19) is arranged in the guide groove (20) in a sliding mode and is located in the guide groove (20) all the time.

4. A stripper as claimed in claim 2, wherein: an elastic piece capable of driving the circular disc seat (71) to move towards the top plate (1) is arranged between the three-jaw chuck (7) and the bottom plate (2).

5. The ejector of claim 4, wherein: the elastic member includes a spring (21); one end of the spring (21) is connected with the bottom plate (2), and the other end of the spring is connected with the circular disc seat (71).

6. The ejector of claim 5, wherein: the spring (21) is sleeved on the outer periphery of the connecting rod (3).

7. A stripper as defined in claim 1, wherein: the circular disc seat (71) is provided with a circular hole (10) for the connecting rod (3) to pass through; the connecting rod (3) is always arranged in the round hole (10) in a penetrating mode.

8. The extractor of claim 1, wherein: the clamping plate (73) is arc-shaped; and an anti-skid pad (12) is arranged on one side, away from the clamping jaws (72), of the clamping plate (73).