CN222733960U - Clamping mechanism of tensile testing machine - Google Patents
Clamping mechanism of tensile testing machine Download PDFInfo
- Publication number
- CN222733960U CN222733960U CN202420757597.3U CN202420757597U CN222733960U CN 222733960 U CN222733960 U CN 222733960U CN 202420757597 U CN202420757597 U CN 202420757597U CN 222733960 U CN222733960 U CN 222733960U
- Authority
- CN
- China
- Prior art keywords
- clamping
- rack
- clamp
- testing machine
- tensile testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
本申请公开了一种拉力试验机夹持机构，涉及拉力试验机领域，改善了在拉力试验时材料容易与夹具分离的问题，包括夹具壳以及底板，所述夹具壳的内侧设置有夹持组件，所述辅助夹块的外侧固定安装有第二齿条，所述第二齿条的顶部啮合有齿轮，所述齿轮啮合在第一齿条的内侧；本申请在拉扯材料时，夹具壳会远离底板，远离时齿轮会沿着第一齿条转动，齿轮转动可以带动第二齿条向内侧移动，第二齿条向内侧移动可以带动辅助夹块向内侧移动，辅助夹块向内侧以及可以对内部材料进行挤压夹持，从而可以将拉扯时的拉扯力转换为辅助夹块对材料的夹持力，从而实现了在拉扯时可以继续对材料提供夹持力，大大降低了材料与夹板脱离的概率。
The present application discloses a clamping mechanism for a tensile testing machine, which relates to the field of tensile testing machines and improves the problem that materials are easily separated from a clamp during a tensile test. The mechanism comprises a clamp shell and a bottom plate, wherein a clamping assembly is arranged on the inner side of the clamp shell, and a second rack is fixedly mounted on the outer side of the auxiliary clamp block, and a gear is meshed on the top of the second rack, and the gear is meshed on the inner side of the first rack. When the material is pulled by the present application, the clamp shell will move away from the bottom plate, and when moving away from the bottom plate, the gear will rotate along the first rack, and the rotation of the gear can drive the second rack to move inward, and the inward movement of the second rack can drive the auxiliary clamp block to move inward, and the auxiliary clamp block can move inward and squeeze and clamp the internal material, so that the pulling force during pulling can be converted into the clamping force of the auxiliary clamp block on the material, thereby achieving the goal of continuing to provide clamping force on the material during pulling, and greatly reducing the probability of the material being separated from the clamp plate.
Description
Technical Field
The utility model relates to the technical field of tensile testing machines, in particular to a clamping mechanism of a tensile testing machine.
Background
The tensile testing machine is a mechanical stress testing machine for carrying out mechanical property tests such as static load, stretching, compression, bending, shearing, stripping and the like on materials, is suitable for various physical and mechanical property tests of materials such as plastic plates, pipes, special-shaped materials, plastic films, rubber, wires and cables and the like, is material development, and is an indispensable detection device for physical property tests, teaching researches, quality control and the like.
When the tensile testing machine clamps materials, the clamping is generally carried out through rotatable screws and clamping plates, the clamping plates are driven to be close to each other through rotating the screws at two sides, the materials are clamped through the clamping plates at two sides, and the clamping force is fixed by means of prestress of the screws and friction force between the clamping plates and the materials.
When the testing machine is used, the machine continuously applies acting force to the material, the clamping force of the clamping plate and the friction force between the clamping plate and the material are used for resisting the pulling force of the machine to ensure that the material is not separated from the clamping plate, but when the testing machine is pulled for a long time, the extrusion force of the clamping plate on the material is not increased, and the pulling force is continuously increased, so that the material and the clamp can be possibly separated.
Disclosure of utility model
(One) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a clamping mechanism of a tensile testing machine.
(II) technical scheme
The clamping mechanism of the tensile testing machine comprises a clamp shell and a bottom plate, wherein a clamping assembly is arranged on the inner side of the clamp shell, and an auxiliary assembly is arranged on the top of the bottom plate and positioned on the outer side of the clamping assembly;
The clamping assembly comprises two clamping plates, the clamping plates are slidably connected to the inner side of the clamp shell, a friction groove is formed in the inner side of the clamping plates, the auxiliary assembly comprises a vertical rod, the vertical rod is fixedly mounted at the top of the bottom plate, a first rack is fixedly mounted at the top of the vertical rod, an inner groove is formed in the clamping plates, an auxiliary clamping block is inserted into the inner groove, a second rack is fixedly mounted on the outer side of the auxiliary clamping block, a gear is meshed with the top of the second rack, and the gear is meshed with the inner side of the first rack.
As a preferable scheme of the clamping mechanism of the tensile testing machine, a screw is rotationally connected to the inside of the clamp shell, two moving blocks are screwed to the outer sides of the screw, connecting grooves are formed in the bottoms of the clamping plates, and the moving blocks are fixed in the corresponding connecting grooves.
Through adopting above-mentioned technical scheme, drive the movable block through the screw rod rotation and splint removal.
As an optimal scheme of the clamping mechanism of the tensile testing machine, threads on two sides of the center of the screw rod are different in rotation direction, and the two moving blocks are respectively in threaded connection with the outer sides of the threads of the two parts of the screw rod in rotation direction.
By adopting the technical scheme, the clamping plates on two sides synchronously and reversely move through the screw rods.
As an optimal scheme of the clamping mechanism of the tensile testing machine, the left side and the right side of the clamp shell are respectively and rotatably connected with the rotating rod, the outer side end of the rotating rod is fixedly provided with the knob, and the inner side end of the rotating rod movably penetrates through the side wall of the clamp shell and is fixedly connected with the screw rod.
Through adopting above-mentioned technical scheme, knob and bull stick are convenient from outside rotation screw rod.
As a preferable scheme of the clamping mechanism of the tensile testing machine, the top of the clamp shell is fixedly provided with the supporting plate, the inner side of the top of the supporting plate is rotationally connected with the synchronizing rod, gears are fixedly arranged at the front end and the rear end of the synchronizing rod, and a connecting plate is fixedly arranged between the outer side ends of the front rack and the rear rack corresponding to the second rack.
By adopting the technical scheme, the supporting plate and the synchronizing rod support and synchronize the gears.
As a preferable scheme of the clamping mechanism of the tensile testing machine, the top of the bottom plate is fixedly provided with the telescopic rod, the top of the telescopic rod is fixedly arranged at the bottom of the clamp shell, the outer side of the telescopic rod is wound with the spring, and the upper side and the lower side of the spring are respectively and fixedly arranged at the top of the bottom plate and the bottom of the clamp shell.
By adopting the technical scheme, the position of the movement between the connecting plate and the clamp shell is limited, and the force required by the movement between the connecting plate and the clamp shell is increased.
(III) beneficial effects
The utility model provides a clamping mechanism of a tensile testing machine. The beneficial effects are as follows:
1. when the material is pulled, the bottom plate can be kept away from to the anchor clamps shell, and the gear can rotate along first rack when keeping away from, and gear rotation can drive the second rack and move to the inboard, and the second rack moves to the inboard and can drive supplementary clamp splice and move to the inboard, and supplementary clamp splice is inboard and can extrude the centre gripping to inside material to can change the clamping force of pulling the time into the clamping force of supplementary clamp splice to the material, thereby realized can continue to provide the clamping force to the material when pulling, greatly reduced the probability that material and splint break away from.
2. Clamping is fixed to the materials through clamping plates which synchronously and reversely move and clamp the materials on two sides of the materials and matched with friction grooves on the inner sides, and after the materials are clamped and fixed, the clamping plates which synchronously and reversely move can ensure that the clamping positions of the materials are positioned at the centers of the left side and the right side, so that the effect of convenient clamping is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a perspective view of the overall split structure of the present utility model.
Fig. 3 is a side structural perspective view of the present utility model.
Fig. 4 is a front view of the present utility model.
In the figure, 1, a clamp shell, 2, a clamping assembly, 21, a clamping plate, 22, a friction groove, 23, a connecting groove, 24, an inner groove, 25, a moving block, 26, a screw rod, 27, a rotating rod, 28, a knob, 3, a bottom plate, 4, an auxiliary assembly, 41, a telescopic rod, 42, a spring, 43, a vertical rod, 44, a first rack, 45, a gear, 46, a second rack, 47, an auxiliary clamping block, 48, a supporting plate, 49, a synchronous rod, 410 and a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present utility model provides a clamping mechanism of a tensile testing machine, which comprises a clamp shell 1 and a bottom plate 3, wherein a clamping component 2 is arranged on the inner side of the clamp shell 1, and an auxiliary component 4 is arranged on the top of the bottom plate 3 and positioned on the outer side of the clamping component 2;
The clamping assembly 2 comprises two clamping plates 21, the clamping plates 21 are slidably connected to the inner side of the clamp shell 1, a friction groove 22 is formed in the inner side of the clamping plates 21, the auxiliary assembly 4 comprises a vertical rod 43, the vertical rod 43 is fixedly arranged at the top of the bottom plate 3, a first rack 44 is fixedly arranged at the top of the vertical rod 43, an inner groove 24 is formed in the clamping plates 21, an auxiliary clamping block 47 is inserted into the inner groove 24, a second rack 46 is fixedly arranged on the outer side of the auxiliary clamping block 47, a gear 45 is meshed with the top of the second rack 46, and the gear 45 is meshed with the inner side of the first rack 44.
In particular. The inside rotation of anchor clamps shell 1 is connected with screw rod 26, and the outside spiro union of screw rod 26 has two movable blocks 25, and connecting groove 23 has been seted up to the bottom of splint 21, and movable block 25 is fixed in corresponding connecting groove 23 inside. The screw threads on both sides of the center of the screw 26 are different in rotation direction, and the two moving blocks 25 are respectively screwed on the outer sides of the screw threads on both parts of the screw 26. The left and right sides of anchor clamps shell 1 all rotate and are connected with bull stick 27, and the outside end fixed mounting of bull stick 27 has knob 28, and the inboard end activity of bull stick 27 runs through the lateral wall of anchor clamps shell 1 and with screw rod 26 fixed connection.
Further, when the material is clamped, the material is placed between the two clamping plates 21, the knob 28 at the outer side is rotated to drive the rotating rod 27 to rotate, the rotating rod 27 is rotated to drive the screw rod 26 at the inner side to rotate, the screw rod 26 is rotated to drive the two moving blocks 25 on the screw rod to synchronously and reversely move, so that the clamping of the two clamping plates 21 at the two sides can be realized, the clamping of the material is fixed by synchronously and reversely moving the clamping plates 21 and matching with the friction grooves 22 at the inner side, the clamping position of the material can be ensured to be positioned at the center of the left side and the right side by synchronously and reversely moving the clamping plates 21 after the material is clamped and fixed, and the effect of convenient clamping is realized.
Example 2
Referring to fig. 1 to 4, in a second embodiment of the present utility model, based on the previous embodiment, a support plate 48 is fixedly installed at the top of the clamp housing 1, a synchronizing rod 49 is rotatably connected to the inner side of the top of the support plate 48, gears 45 are fixedly installed at both front and rear ends of the synchronizing rod 49, and a connecting plate 410 is fixedly installed between the front and rear ends corresponding to the outer side ends of the second rack 46.
Specifically, the top of the bottom plate 3 is fixedly provided with a telescopic rod 41, the top of the telescopic rod 41 is fixedly arranged at the bottom of the clamp shell 1, a spring 42 is wound on the outer side of the telescopic rod 41, and the upper side and the lower side of the spring 42 are respectively and fixedly arranged at the top of the bottom plate 3 and the bottom of the clamp shell 1.
Further, the whole is connected to the tensile testing machine, the lower device is connected to the base of the tensile testing machine, the upper device is connected to the transverse frame for improving the tensile force of the tensile testing machine, the lower device and the transverse frame are connected and fixed through the bottom plate 3, after the clamping plate 21 clamps the material, the clamp shell 1 is far away from the bottom plate 3, the gear 45 rotates along the first rack 44 during the far away, the gear 45 rotates to drive the second rack 46 to move inwards, the second rack 46 moves inwards to drive the auxiliary clamping block 47 to move inwards, the auxiliary clamping block 47 can squeeze and clamp the internal material, and accordingly the pulling force during the pulling can be converted into the clamping force of the auxiliary clamping block 47 on the material, the clamping force can be continuously provided for the material during the pulling, the probability of separating the material from the clamping plate 21 is greatly reduced, and during the pulling of the material, the distance between the clamp shell 1 and the bottom plate 3 can be limited through the telescopic rod 41, the clamp shell 1 can not move too much distance, the outer spring 42 can ensure that the clamp shell 1 can not move inwards, the auxiliary clamping block 47 can not fall off when the clamp shell 47 is pulled more easily, and the auxiliary clamping block 47 can not fall off easily.
When clamping materials, the materials are placed between two clamping plates 21, a knob 28 at the outer side is rotated to drive a rotating rod 27 to rotate, the rotating rod 27 can drive a screw rod 26 at the inner side to rotate, the screw rod 26 can drive two moving blocks 25 on the screw rod to synchronously and reversely move, so that the clamping plates 21 at the two sides can synchronously and reversely move, the clamping and fixing of the materials are realized through the clamping plates 21 synchronously and reversely moving the clamping plates at the two sides of the materials and matching with friction grooves 22 at the inner side, and the clamping positions of the materials can be ensured to be positioned at the center of the left side and the right side through the clamping plates 21 synchronously and reversely moving after the clamping and fixing of the materials, so that the effect of convenient clamping is realized; the whole is connected to the tensile testing machine, the lower device is connected to the base of the tensile testing machine, the upper device is connected to the transverse frame for improving the tensile force of the tensile testing machine, the lower device and the transverse frame are connected and fixed through the bottom plate 3, after the material is clamped through the clamping plate 21, the clamp shell 1 is far away from the bottom plate 3, the gear 45 rotates along the first rack 44 when being far away, the gear 45 rotates to drive the second rack 46 to move inwards, the second rack 46 moves inwards to drive the auxiliary clamping block 47 to move inwards, the auxiliary clamping block 47 clamps the internal material in an extrusion mode, so that the clamping force of the auxiliary clamping block 47 to the material can be converted, the clamping force can be continuously provided for the material when the material is pulled, the probability that the material is separated from the clamping plate 21 is greatly reduced, the distance between the clamp shell 1 and the bottom plate 3 can be limited through the telescopic rod 41 when the material is pulled, the clamp shell 1 can not move too large distance can be ensured, the outer spring 42 can ensure that the clamp shell 1 can only move greatly when the clamp shell 1 is pulled, the auxiliary clamping block 47 will work, thereby ensuring that the auxiliary clamping block 47 will not work when the material is not easy to fall off at a small pulling force.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (6)
1. The clamping mechanism of the tensile testing machine comprises a clamp shell (1) and a bottom plate (3) and is characterized in that a clamping assembly (2) is arranged on the inner side of the clamp shell (1), and an auxiliary assembly (4) is arranged on the top of the bottom plate (3) and positioned on the outer side of the clamping assembly (2);
Clamping component (2) are including two splint (21), splint (21) sliding connection is in the inboard of anchor clamps shell (1), friction groove (22) have been seted up to the inboard of splint (21), auxiliary component (4) include montant (43), montant (43) fixed mounting is at the top of bottom plate (3), the top fixed mounting of montant (43) has first rack (44), inside groove (24) have been seted up to the inside of splint (21), auxiliary clamp block (47) have been pegged graft to the inside of inside groove (24), the outside fixed mounting of auxiliary clamp block (47) has second rack (46), the top meshing of second rack (46) has gear (45), gear (45) meshing is in the inboard of first rack (44).
2. The clamping mechanism of the tensile testing machine according to claim 1, wherein a screw (26) is rotatably connected to the inside of the clamp shell (1), two moving blocks (25) are screwed to the outer sides of the screw (26), connecting grooves (23) are formed in the bottoms of the clamping plates (21), and the moving blocks (25) are fixed to the inside of the corresponding connecting grooves (23).
3. The clamping mechanism of the tensile testing machine according to claim 2, wherein threads on two sides of the center of the screw (26) are different in rotation direction, and the two moving blocks (25) are respectively screwed on the outer sides of the threads on two parts of the screw (26).
4. The clamping mechanism of the tensile testing machine according to claim 3, wherein the left side and the right side of the clamp shell (1) are rotatably connected with rotating rods (27), the outer side ends of the rotating rods (27) are fixedly provided with knobs (28), and the inner side ends of the rotating rods (27) movably penetrate through the side wall of the clamp shell (1) and are fixedly connected with screw rods (26).
5. The clamping mechanism of the tensile testing machine according to claim 1, wherein a supporting plate (48) is fixedly arranged at the top of the clamp shell (1), a synchronizing rod (49) is rotatably connected to the inner side of the top of the supporting plate (48), gears (45) are fixedly arranged at the front end and the rear end of the synchronizing rod (49), and a connecting plate (410) is fixedly arranged between the front end and the rear end corresponding to the outer side end of the second rack (46).
6. The clamping mechanism of the tensile testing machine according to claim 5, wherein the top of the bottom plate (3) is fixedly provided with a telescopic rod (41), the top of the telescopic rod (41) is fixedly arranged at the bottom of the clamp shell (1), a spring (42) is wound on the outer side of the telescopic rod (41), and the upper side and the lower side of the spring (42) are respectively and fixedly arranged at the top of the bottom plate (3) and the bottom of the clamp shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420757597.3U CN222733960U (en) | 2024-04-12 | 2024-04-12 | Clamping mechanism of tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420757597.3U CN222733960U (en) | 2024-04-12 | 2024-04-12 | Clamping mechanism of tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222733960U true CN222733960U (en) | 2025-04-08 |
Family
ID=95228196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420757597.3U Active CN222733960U (en) | 2024-04-12 | 2024-04-12 | Clamping mechanism of tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222733960U (en) |
-
2024
- 2024-04-12 CN CN202420757597.3U patent/CN222733960U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210322579U (en) | Clip stretching device | |
| CN221100350U (en) | Reinforcing steel bar bending testing device | |
| CN222299338U (en) | A horizontal tensile testing machine | |
| CN216284684U (en) | Wire harness tension tolerance measuring device | |
| CN119804127A (en) | A stretch testing device for the production of antistatic stretch film | |
| CN218311139U (en) | Quick cutting device for metal hose | |
| CN113484128A (en) | Constant temperature and humidity pulling force detection equipment | |
| CN220650297U (en) | Feeding structure and forge piece tensile testing machine | |
| CN115855936A (en) | An integrated device for cutting and detecting seabed sediment sampling pipes | |
| CN120890803A (en) | A testing machine for insulating film processing | |
| CN111879607A (en) | Performance detection device for touch screen machining | |
| CN112945707B (en) | Tension detection device for spring production | |
| CN212514006U (en) | Tensile detection device for synthetic new material | |
| CN215374848U (en) | Film stretching device | |
| CN215492788U (en) | Tension testing device | |
| CN215263846U (en) | Detection apparatus for computer circuit board | |
| CN213456394U (en) | Clothes tensile testing machine of dual centre gripping | |
| CN220367100U (en) | Multifunctional clamp for tension machine | |
| CN223611077U (en) | Camera lens wide angle detects auxiliary fixtures | |
| CN221124067U (en) | Quick-mounting wave-shaped clamp for pulling machine | |
| CN219685311U (en) | Glue frame positioning device for display production | |
| CN221280789U (en) | Fabric stretching device | |
| CN219799034U (en) | Multi-angle precision tensile testing machine | |
| CN223078065U (en) | Film tension testing device | |
| CN220650285U (en) | Manual wedge-shaped clamp for tensile testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |