CN113182598A

CN113182598A - Stress shearing clamp

Info

Publication number: CN113182598A
Application number: CN202110511766.6A
Authority: CN
Inventors: 祝秀芹; 杨庆明; 祝梦涵
Original assignee: Jinan Sanqin Test Technology Co ltd
Current assignee: Jinan Sanqin Test Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-07-30

Abstract

The invention provides a stress shearing clamp, and relates to the field of clamps. This stress shearing clamp, including lower tray, the tray top is provided with down the pressure disk down, pressure disk bottom symmetry sliding connection has the guide bar down, and the guide bar runs through the pressure disk down, pressure disk bottom is through countersunk screw fixedly connected with spring holder down, the spring holder lateral wall has cup jointed the spring, the spring holder top is provided with the baffle. The article is placed between the upper pressure plate and the lower pressure plate, so that the upper pressure plate is close to the lower tray, the upper pressure plate slides along the guide rod, and the article is clamped by the ejector rod at the bottom of the upper pressure plate and the ejector rod at the top of the lower pressure plate; go up the briquetting of pressure disk bottom and the briquetting at pressure disk top will extrude the article simultaneously, the article will extrude the bracing piece for the bracing piece promotes the spring and moves down, accomplishes fastening work, and its centre gripping is effectual, and the multiposition supports, reduces the article because of the whole stress that the cutting produced, thereby promotes the quality of article.

Description

Stress shearing clamp

Technical Field

The invention relates to the technical field of clamps, in particular to a stress shearing clamp.

Background

The clamp is used for clamping an object to facilitate processing and working; most of the existing clamps are clamped from the side edges, the existing clamps are not suitable for a processing platform with high requirements on an object, and the processes of cutting and the like in the processing process can cause high stress on the object, so that the object is deformed or damaged, and therefore a stress shearing clamp is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a stress shearing clamp, which solves the problem that the object is deformed or damaged due to higher stress caused by cutting and other processes in the processing process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a stress shearing clamp comprises a lower tray, wherein a lower pressure plate is arranged at the top of the lower tray, guide rods are symmetrically and slidably connected to the bottom of the lower pressure plate and penetrate through the lower pressure plate, a spring seat is fixedly connected to the bottom of the lower pressure plate through a countersunk screw, a spring is sleeved on the outer side wall of the spring seat, a baffle is arranged at the top of the spring seat and is slidably connected with the lower pressure plate, a support rod is fixedly connected to the bottom of the baffle through the countersunk screw and penetrates through the top of the lower pressure plate, and an upper pressure plate is arranged at the top of the lower pressure plate;

the bottom of the upper pressure plate is symmetrically provided with guide sleeves, the guide sleeves are clamped and connected with the upper pressure plate, pressing blocks are fixedly connected to the centers of the bottom of the upper pressure plate and the top of the lower pressure plate, and ejector rods are symmetrically arranged at the bottom of the upper pressure plate and the top of the lower pressure plate; placing an object between an upper pressure plate and a lower pressure plate, then enabling the upper pressure plate to be close to the lower tray, firstly enabling the upper pressure plate to slide along a guide rod, and further enabling an ejector rod at the bottom of the upper pressure plate and an ejector rod at the top of the lower pressure plate to clamp the object; meanwhile, the pressing block at the bottom of the upper pressing disc and the pressing block at the top of the lower pressing disc extrude the object, and the object extrudes the supporting rod, so that the supporting rod pushes the spring to move downwards to complete fastening work; keep away from each other through last pressure disk and lower tray, the spring of compression promotes the bracing piece simultaneously to push away the article from pressure disk down, accomplish the release task, the operation reduces, and release speed is fast, thereby promotes work efficiency.

Preferably, the spring seat is embedded with the lower pressure plate.

Preferably, the spring is in contact with the bottom of the baffle.

Preferably, the guide sleeve is matched with the guide rod in position, is connected with the guide rod in a sliding mode, and is fixedly connected with the upper pressure plate through a fastening screw.

Preferably, a check ring penetrates through the side wall of the guide rod and is arranged at a position close to the top, and the check ring is connected with the guide rod in a clamping manner.

Preferably, the bottom of the upper pressure plate and the top of the lower pressure plate are respectively and symmetrically provided with a clamping pressure plate for clamping and positioning the object, and the clamping pressure plates are arranged at intervals.

Preferably, ejector rods capable of adjusting telescopic positions are symmetrically arranged at the bottom of the upper pressure plate and the top of the lower pressure plate, and the clamping pressure plate is arranged on the ejector rods; so that the clamp can clamp objects with different sizes.

Preferably, a plurality of axially spaced clamping grooves are formed on the guide rod, and the retainer ring can be selectively clamped and connected with each clamping groove to adjust the axial position of the retainer ring on the guide rod; the clamp can be made to hold articles of different sizes.

The working principle is as follows: placing an object between an upper pressure plate and a lower pressure plate, then enabling the upper pressure plate to be close to the lower tray (pushing the upper pressure plate or pushing the lower tray or pushing the upper pressure plate and the lower tray simultaneously), firstly enabling the upper pressure plate to slide along a guide rod, and further enabling an ejector rod at the bottom of the upper pressure plate and an ejector rod at the top of the lower pressure plate to clamp the object; meanwhile, the pressing block at the bottom of the upper pressing disc and the pressing block at the top of the lower pressing disc extrude the object, and the object extrudes the supporting rod, so that the supporting rod pushes the spring to move downwards to complete fastening work and then perform processing tasks, the clamping effect is good, the supporting is performed at multiple positions, the overall stress of the object caused by cutting is reduced, and the quality of the object is improved; after finishing processing, keep away from each other through last pressure disk and lower tray promptly, the spring of compression promotes the bracing piece simultaneously to push away the article from pressure disk down, accomplish the release task, the operation reduces, and release speed is fast, thereby promotes work efficiency.

(III) advantageous effects

The invention provides a stress shearing clamp. The method has the following beneficial effects:

1. the invention provides a stress shearing clamp, which is characterized in that an object is placed between an upper pressure plate and a lower pressure plate, then the upper pressure plate is close to the lower tray, firstly, the upper pressure plate slides along a guide rod, and then an ejector rod at the bottom of the upper pressure plate and an ejector rod at the top of the lower pressure plate clamp the object; go up the briquetting of pressure disk bottom and the briquetting at pressure disk top will extrude the article simultaneously, the article will extrude the bracing piece for the bracing piece promotes the spring and moves down, accomplishes fastening work, and its centre gripping is effectual, and the multiposition supports, reduces the article because of the whole stress that the cutting produced, thereby promotes the quality of article.

2. The invention provides a stress shearing clamp, when an object is released, an upper pressure plate and a lower tray are mutually far away, and a compressed spring pushes a support rod, so that the object is pushed away from the lower pressure plate, a releasing task is completed, the operation is reduced, the releasing speed is high, and the working efficiency is improved.

Drawings

FIG. 1 is a front view of a stress shear clamp according to the present invention;

FIG. 2 is a side view of a stress shear clamp according to the present invention;

fig. 3 is a top view of a stress shear fixture according to the present invention.

Wherein, 1, an upper pressure plate; 2. a guide bar; 3. a retainer ring; 4. a guide sleeve; 7. briquetting; 8. pressing a plate; 10. a support bar; 11. a baffle plate; 13. a top rod; 17. a lower platen; 18. a spring seat; 20. a lower tray; 21. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-3, an embodiment of the present invention provides a stress shearing fixture, which includes a lower tray 20, the lower tray 20 cooperates with an upper platen 1 to perform a task of clamping an object, a lower platen 17 is disposed on the top of the lower tray 20, guide rods 2 are symmetrically and slidably connected to the bottom of the lower platen 17, the guide rods 2 define a motion trajectory of the upper platen 1 to ensure clamping accuracy, the guide rods 2 penetrate through the lower platen 17, a spring seat 18 is fixedly connected to the bottom of the lower platen 17 through countersunk screws, the spring seat 18 and the lower platen 17 are disposed in an embedded manner, a spring 21 is disposed on the top of the spring seat 18, the spring 21 pushes a support rod 10 to push the object away from the device when the fixture is opened to perform a discharging function, the spring 21 is sleeved on the outer side wall of the spring seat 18, a baffle 11 is disposed on the top of the spring seat 18, the spring 21 contacts with the bottom of the baffle 11, and the baffle 11 and the lower platen 17 are slidably connected, the bottom of the baffle 11 is fixedly connected with a support rod 10 through a countersunk head screw, the support rod 10 penetrates through the top of a lower pressure plate 17, and an upper pressure plate 1 is arranged at the top of the lower pressure plate 17;

go up 1 bottom symmetry of pressure disk and be provided with uide bushing 4, uide bushing 4 cooperatees with 2 positions of guide bar, and

uide bushing

4 and 2 sliding connection of guide bar, 2 lateral walls of guide bar are close to the top position and run through and are provided with retaining ring 3, and retaining ring 3 is connected with 2 blocks of guide bar, every uide bushing 4 all through fastening screw and 1 fixed connection of last pressure disk, the setting of uide bushing 4 reduces rocking of guide bar 2, thereby promote the precision of centre gripping, and uide bushing 4 is connected with 1 blocks of last pressure disk, go up 1 bottom of pressure disk and the equal fixedly connected with briquetting 7 of 17 top centers department of lower pressure disk, it is provided with ejector pin 13 to go up 1 bottom of pressure disk and 17 top symmetry of lower pressure disk.

Clamping pressing plates 8 for clamping and positioning the objects are symmetrically arranged at the bottom of the upper pressing plate 1 and the top of the lower pressing plate 17 respectively, and the clamping pressing plates 8 and the clamping pressing blocks 7 are arranged at intervals.

The ejector rods 13 capable of adjusting the telescopic positions are symmetrically arranged at the bottom of the upper pressure plate 1 and the top of the lower pressure plate 17, and the clamping pressure plate 8 is arranged on the ejector rods 13, so that the clamp can clamp objects with different sizes.

A plurality of axially spaced clamping grooves are formed in the guide rod 2, and the retainer ring 3 can be selectively clamped and connected with the clamping grooves to adjust the axial position of the retainer ring 3 on the guide rod 2; by changing the position of the retainer ring 3, the clamp can clamp objects with different sizes.

During the working process, an object is placed between an upper pressure plate and a lower pressure plate, then the upper pressure plate and the lower tray are close to push the upper pressure plate or push the lower tray or push the upper pressure plate and the lower tray simultaneously, firstly, the upper pressure plate slides along a guide rod, and then an ejector rod at the bottom of the upper pressure plate and an ejector rod at the top of the lower pressure plate clamp the object; meanwhile, the pressing block at the bottom of the upper pressing disc and the pressing block at the top of the lower pressing disc extrude the object, and the object extrudes the supporting rod, so that the supporting rod pushes the spring to move downwards to complete fastening work and then perform processing tasks, the clamping effect is good, the supporting is performed at multiple positions, the overall stress of the object caused by cutting is reduced, and the quality of the object is improved; after finishing processing, keep away from each other through last pressure disk and lower tray promptly, the spring of compression promotes the bracing piece simultaneously to push away the article from pressure disk down, accomplish the release task, the operation reduces, and release speed is fast, thereby promotes work efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stress shear clamp comprising a lower tray (20), characterized in that: a lower pressing plate (17) is arranged at the top of the lower tray (20), guide rods (2) are symmetrically and slidably connected to the bottom of the lower pressing plate (17), the guide rods (2) penetrate through the lower pressing plate (17), a spring seat (18) is fixedly connected to the bottom of the lower pressing plate (17) through countersunk screws, a spring (21) is sleeved on the outer side wall of the spring seat (18), a baffle (11) is arranged at the top of the spring seat (18), the baffle (11) is slidably connected with the lower pressing plate (17), a supporting rod (10) is fixedly connected to the bottom of the baffle (11) through countersunk screws, the supporting rod (10) penetrates through the top of the lower pressing plate (17), and an upper pressing plate (1) is arranged at the top of the lower pressing plate (17);

go up pressure disk (1) bottom symmetry and be provided with uide bushing (4), and uide bushing (4) and last pressure disk (1) block are connected, go up pressure disk (1) bottom and pressure disk (17) top center department equal fixedly connected with briquetting (7) down, it is provided with ejector pin (13) with pressure disk (17) top symmetry down to go up pressure disk (1) bottom.

2. A stress shear clamp according to claim 1, wherein: the spring seat (18) and the pressing disc (17) are arranged in an embedded mode.

3. A stress shear clamp according to claim 1, wherein: the spring (21) is in contact with the bottom of the baffle plate (11).

4. A stress shear clamp according to claim 1, wherein: the position of the guide sleeve (4) is matched with that of the guide rod (2), the guide sleeve (4) is connected with the guide rod (2) in a sliding mode, and each guide sleeve (4) is fixedly connected with the upper pressure plate (1) through a fastening screw.

5. A stress shear clamp according to claim 1, wherein: the side wall of the guide rod (2) is provided with a check ring (3) in a penetrating mode near the top, and the check ring (3) is connected with the guide rod (2) in a clamping mode.

6. A stress shear clamp according to claim 1, wherein: the clamping pressing plates (8) used for clamping and positioning the objects are symmetrically arranged at the bottom of the upper pressing plate (1) and the top of the lower pressing plate (17) respectively, and the clamping pressing plates (8) and the clamping pressing blocks (7) are arranged at intervals.

7. A stress shear clamp according to claim 6, wherein: the bottom of going up pressure disk (1) and the top symmetry of pushing down pressure disk (17) are provided with ejector pin (13) that can adjust telescopic position, and centre gripping clamp plate (8) set up on ejector pin (13).

8. A stress shear clamp according to claim 5, wherein: a plurality of axially spaced clamping grooves are formed in the guide rod (2), and the check ring (3) can be selectively clamped and connected with the clamping grooves to adjust the axial position of the check ring (3) on the guide rod (2).