Weight moving clamping jaw

Abstract

The utility model relates to the technical field of metrological verification, in particular to a weight moving clamping jaw which comprises a linear module, a pair of clamping modules, a telescopic rod and an ejector rod spring. The pair of clamping modules are respectively arranged at the pair of moving ends of the linear module and are used for clamping and fixing an external weight; the telescopic rod is fixedly arranged on the linear module and located between the pair of clamping modules, and when a weight is clamped and fixed between the pair of clamping modules, the bottom end of the telescopic rod abuts against the top of the weight and is used for applying pressure to the top of the weight; the two ends of the ejector rod spring are connected with the top end and the bottom end of the telescopic rod correspondingly, and the ejector rod spring is used for driving the telescopic rod to stretch. The clamping jaw for weight metrological verification overcomes the defect that in the prior art, the clamping teeth are poor in stability in the weight carrying process of the clamping jaw for weight metrological verification.

Description

Technical Field

[0001] The utility model relates to the technical field of metrology and verification, in particular to a weight moving clamp. Background Art

[0002] Automated weighing equipment is a type of equipment used to measure and record the mass or weight of materials. They are typically used in industrial, laboratory or production environments to improve weighing accuracy, efficiency and traceability.

[0003] In the prior art, a Chinese utility model patent with a publication number of CN219757514U discloses a clamping jaw for weight measurement verification, comprising a mounting plate, a fixed side frame, a movable side frame, an adjusting device, a clamping jaw and a side stopper, wherein one side of the mounting plate is provided with the fixed side frame and the movable side frame, which are respectively fixedly connected and slidably connected to the mounting plate, the adjusting device is provided on the fixed side frame, and the movable end is connected to the movable side frame, and the fixed side frame and the movable side frame are provided with the clamping jaw and the side stopper in a removable manner at one end away from the mounting plate and at a side close to each other.

[0004] However, the automatic weighing equipment in the prior art usually uses the same clamping jaws to clamp and carry weights of different specifications.

[0005] Since weights of different specifications have different shapes and sizes, the clamp cannot be adapted to weights of different specifications. Therefore, when the clamp is carrying weights, there is generally a defect of poor clamping stability. Summary of the invention

[0006] Aiming at the technical problem of poor clamping stability of the clamp in the prior art, the embodiment of the utility model provides a weight moving clamp, comprising: a linear module, a pair of clamping modules, a telescopic rod and a push rod spring;

[0007] A pair of clamping modules are respectively arranged at a pair of moving ends of the linear module, and are used to clamp and fix external weights;

[0008] The telescopic rod is fixedly arranged on the linear module, and is located between a pair of clamping modules. When a weight is clamped and fixed between the pair of clamping modules, the bottom end of the telescopic rod abuts against the top of the weight, so as to apply pressure to the top of the weight.

[0009] The push rod spring is sleeved on the telescopic rod, and the two ends of the spring are respectively connected to the top end of the telescopic rod and the bottom end of the telescopic rod, so as to drive the telescopic rod to extend.

[0010] Furthermore, the clamping module comprises: a bearing bracket, an execution bracket and a clamping assembly;

[0011] The top of the bearing bracket is fixedly connected to any moving end of the linear module;

[0012] The execution bracket is fixedly arranged at the bottom of the bearing bracket;

[0013] The clamping assembly is arranged on the execution bracket and is used for clamping the neck of the fixed weight.

[0014] Further, the clamping assembly includes: a pair of first clamping teeth and a plurality of pairs of first return springs;

[0015] A pair of first clamping teeth are slidably arranged on the execution bracket, the pair of first clamping teeth are arranged in parallel, and the head ends of the pair of first clamping teeth match the neck position of the weight, so as to clamp and fix the neck of the weight;

[0016] Any pair of first return springs are respectively arranged at the tail end of a pair of first clamping teeth, and a plurality of pairs of first return springs are connected to the execution bracket to drive the pair of first clamping teeth to extend.

[0017] Furthermore, the head ends of the pair of first clamping teeth surround a V-shaped notch.

[0018] Furthermore, the head end surface of the first clamping tooth is a wavy curved surface.

[0019] Furthermore, the head end of the first clamping tooth matches the neck shape of the weight.

[0020] Furthermore, the clamping assembly includes: a second clamping tooth, the second clamping tooth is fixedly arranged on the execution bracket, the head end of the second clamping tooth matches the neck position of the weight, and is used to clamp and fix the neck of the weight.

[0021] Furthermore, the clamping assembly also includes: a first clamping notch, the first clamping notch is opened at the head end of the second clamping tooth, the first clamping notch is V-shaped, and is used to clamp the neck of the fixed weight.

[0022] Further, the clamping assembly includes: a third clamping tooth and a plurality of second return springs;

[0023] The third clamping tooth is slidably arranged on the execution bracket, and the head end of the third clamping tooth matches the neck position of the weight, and is used to clamp the neck of the fixed weight;

[0024] A plurality of second return springs are arranged on the third clamping teeth, and the plurality of second return springs are connected to the execution bracket and are used for driving the third clamping teeth to extend.

[0025] Furthermore, the clamping assembly also includes: a second clamping notch, the second clamping notch is opened at the head end of the third clamping tooth, the second clamping notch is V-shaped, and is used to clamp the neck of the fixed weight.

[0026] The weight moving clamp according to the embodiment of the utility model has the following beneficial effects:

[0027] 1. By adding a telescopic rod and a push rod spring to the linear module, the device can use the bottom end of the telescopic rod and the push rod spring to apply vertical downward pressure to the top of the weight during the process of clamping the weight, thereby enhancing the stability of the device in carrying the weight and solving the defect of poor stability of the clamping teeth in the prior art.

[0028] 2. The device forms a V-shaped notch by enclosing a pair of first clamping head ends of the clamping module and supports the first clamping teeth with a first reset spring, so that the first clamping teeth of the pair of clamping modules can drive the weight to automatically slide to the center position of the two pairs of first clamping teeth of the pair of clamping modules during the process of clamping the neck of the fixed weight, ensuring that the head ends of the two pairs of first clamping teeth are in contact with the neck of the weight, avoiding the displacement of the weight position during the process of carrying the weight, and further enhancing the clamping teeth stability of the device.

[0029] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of assembly according to an embodiment of the utility model;

[0031] Figure 2 It is a schematic diagram of assembly according to an embodiment of the utility model (the linear module is hidden).

[0032] Description of the accompanying drawings:

[0033] 1-Linear module, 2-Telescopic rod, 3-Top rod spring, 5-Weight.

[0034] 4-Clamping module: 41-bearing bracket, 42-executing bracket, clamping assembly (431-first clamping tooth, 432-first return spring). DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0036] The above and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only the directions of the reference drawings. Therefore, the directional terms used are used to illustrate and not to limit the present invention. In addition, in all embodiments, the same reference numerals represent the same elements.

[0037] First, combine Figure 1 , 2The precision handling clamp for weight 5 according to the embodiment of the utility model is described, which is used for handling weight 5 and has a wide range of application scenarios.

[0038] like Figure 1 , 2 As shown, the precision handling clamp for weights 5 of the embodiment of the utility model comprises: a linear module 1, a pair of clamping modules 4, a telescopic rod 2 and a push rod spring 3.

[0039] Specifically, Figure 1 , 2 As shown, a pair of clamping modules 4 are respectively arranged at a pair of moving ends of the linear module 1, and are used to clamp and fix the external weight 5. The linear module 1 of the present device preferably adopts a ground screw and is driven by a servo motor to complete the clamping or opening action; the telescopic rod 2 is fixedly arranged on the linear module 1, and the telescopic rod 2 is located between the pair of clamping modules 4. When the weight 5 is clamped and fixed between the pair of clamping modules 4, the bottom end of the telescopic rod 2 abuts against the top of the weight 5, and is used to apply pressure to the top of the weight 5; the top rod spring 3 is sleeved on the telescopic rod 2, and the two ends of the spring are respectively connected to the top end of the telescopic rod 2 and the bottom end of the telescopic rod 2, and are used to drive the telescopic rod 2 to extend.

[0040] Further, if Figure 1 , 2 As shown, the clamping module 4 includes: a bearing bracket 41, an execution bracket 42 and a clamping assembly; the top of the bearing bracket 41 is fixedly connected to any movable end of the linear module 1; the execution bracket 42 is fixedly set at the bottom of the bearing bracket 41; the clamping assembly is set on the execution bracket 42, and is used to clamp the neck of the fixed weight 5.

[0041] Further, if Figure 1 , 2 As shown, the clamping assembly includes: a pair of first clamping teeth 431 and a plurality of pairs of first return springs 432; the pair of first clamping teeth 431 are slidably arranged on the execution bracket 42, the pair of first clamping teeth 431 are arranged in parallel, the head ends of the pair of first clamping teeth 431 match the neck position of the weight 5, and are used to clamp and fix the neck of the weight 5; any pair of first return springs 432 are respectively arranged at the tail ends of a pair of first clamping teeth 431, and a plurality of pairs of first return springs 432 are connected to the execution bracket 42, and are used to drive the pair of first clamping teeth 431 to extend.

[0042] Further, if Figure 1 , 2 As shown, the head ends of a pair of first clamping teeth 431 surround a V-shaped notch.

[0043] Further, if Figure 1 , 2 As shown, the head end surface of the first clamping tooth 431 is a wavy curved surface.

[0044] Further, if Figure 1 , 2 As shown, the head end of the first clamping tooth 431 matches the neck shape of the weight 5 .

[0045] Further, if Figure 1 , 2 As shown, the clamping assembly includes: a second clamping tooth (not shown in the figure), the second clamping tooth is fixedly arranged on the execution bracket 42, the head end of the second clamping tooth matches the neck position of the weight 5, and is used to clamp and fix the neck of the weight 5.

[0046] Further, if Figure 1 , 2 As shown, the clamping assembly further includes: a first clamping notch (not shown in the figure), the first clamping notch is opened at the head end of the second clamping tooth, the first clamping notch is V-shaped, and is used to clamp the neck of the fixed weight 5.

[0047] Further, if Figure 1 , 2 As shown, the clamping assembly includes: a third clamping tooth (not shown in the figure) and a plurality of second reset springs (not shown in the figure); the third clamping tooth is slidably arranged on the execution bracket 42, and the head end of the third clamping tooth matches the neck position of the weight 5, and is used to clamp the neck of the fixed weight 5; a plurality of second reset springs are arranged on the third clamping tooth, and a plurality of second reset springs are connected to the execution bracket 42, and are used to drive the third clamping tooth to extend.

[0048] Further, if Figure 1 , 2 As shown, the clamping assembly further includes: a second clamping notch (not shown in the figure), the second clamping notch is opened at the head end of the third clamping tooth, the second clamping notch is V-shaped, and is used to clamp the neck of the fixed weight 5.

[0049] When the equipment is running, the external control device drives the device to move to the top of the target weight 5, and then the control device drives the device to drop a certain distance, so that the bottom end of the telescopic rod 2 abuts against the top of the target weight 5, until the telescopic rod 2 and the top rod spring 3 are compressed to a certain extent, and then the linear module 1 is started, and a pair of moving ends of the linear module 1 respectively drive a pair of clamping modules 4 to move toward each other, so that the first clamp of the pair of clamping modules 4 clamps the neck of the target weight 5. In the process of the first clamp of the pair of clamping modules 4 clamping the neck of the target weight 5, the first reset springs 432 of the pair of clamping modules 4 are gradually compressed to the same extent, thereby driving the first clamp of the pair of clamping modules 4 to apply equal and opposite clamping forces to the neck of the weight 5.

[0050] Above, refer to Figure 1 , 2 The weight moving clamp according to the embodiment of the utility model is described, which has the following beneficial effects:

[0051] 1. By adding a telescopic rod and a push rod spring to the linear module, the device can use the bottom end of the telescopic rod and the push rod spring to apply vertical downward pressure to the top of the weight during the process of clamping the weight, thereby enhancing the stability of the device in carrying the weight and solving the defect of poor stability of the clamping teeth in the prior art.

[0052] 2. The device forms a V-shaped notch by enclosing a pair of first clamping head ends of the clamping module and supports the first clamping teeth with a first reset spring, so that the first clamping teeth of the pair of clamping modules can drive the weight to automatically slide to the center position of the two pairs of first clamping teeth of the pair of clamping modules during the process of clamping the neck of the fixed weight, ensuring that the head ends of the two pairs of first clamping teeth are in contact with the neck of the weight, avoiding the displacement of the weight position during the process of carrying the weight, and further enhancing the clamping teeth stability of the device.

[0053] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0054] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A weight moving clamp, characterized in that: Includes: linear module, a pair of clamping modules, telescopic rod and ejector spring; The pair of clamping modules are respectively arranged at a pair of moving ends of the linear module, and are used to clamp and fix external weights; The telescopic rod is fixedly arranged on the linear module, and the telescopic rod is located between the pair of clamping modules. When the weight is clamped and fixed between the pair of clamping modules, the bottom end of the telescopic rod abuts against the top of the weight, so as to apply pressure to the top of the weight; The push rod spring is sleeved on the telescopic rod, and the two ends of the spring are respectively connected to the top end of the telescopic rod and the bottom end of the telescopic rod, so as to drive the telescopic rod to extend.

2. The weight moving clamp as claimed in claim 1, characterized in that: The clamping module comprises: a bearing bracket, an execution bracket and a clamping assembly; The top of the supporting bracket is fixedly connected to any moving end of the linear module; The execution bracket is fixedly arranged at the bottom of the bearing bracket; The clamping assembly is arranged on the execution bracket and is used for clamping and fixing the neck of the weight.

3. The weight moving clamp as claimed in claim 2, characterized in that: The clamping assembly comprises: a pair of first clamping teeth and a plurality of pairs of first return springs; The pair of first clamping teeth are slidably disposed on the execution bracket, the pair of first clamping teeth are arranged in parallel, and the head ends of the pair of first clamping teeth match the neck position of the weight, so as to clamp and fix the neck of the weight; Any pair of the first return springs are respectively arranged at the tail end of the pair of first clamping teeth, and the plurality of pairs of first return springs are connected to the execution bracket to drive the pair of first clamping teeth to extend.

4. The weight moving clamp as claimed in claim 3, characterized in that: The head ends of the pair of first clamping teeth surround a V-shaped notch.

5. The weight moving clamp as claimed in claim 3, characterized in that: The head end surface of the first clamping tooth is a wavy curved surface.

6. The weight moving clamp as claimed in claim 3, characterized in that: The head end of the first clamping tooth matches the neck shape of the weight.

7. The weight moving clamp as claimed in claim 2, characterized in that: The clamping assembly comprises: a second clamping tooth, the second clamping tooth is fixedly arranged on the execution bracket, the head end of the second clamping tooth matches the neck position of the weight, and is used for clamping and fixing the neck of the weight.

8. The weight moving clamp as claimed in claim 7, characterized in that: The clamping assembly further comprises: a first clamping notch, the first clamping notch is arranged at the head end of the second clamping tooth, the first clamping notch is V-shaped, and is used for clamping and fixing the neck of the weight.

9. The weight moving clamp as claimed in claim 2, characterized in that: The clamping assembly comprises: a third clamping tooth and a plurality of second return springs; The third clamping teeth are slidably arranged on the execution bracket, and the head end of the third clamping teeth matches the neck position of the weight, so as to clamp and fix the neck of the weight; The plurality of second return springs are arranged on the third clamping teeth, and the plurality of second return springs are connected to the execution bracket and are used for driving the third clamping teeth to extend.

10. The weight moving clamp as claimed in claim 9, characterized in that: The clamping assembly further comprises: a second clamping notch, the second clamping notch is arranged at the head end of the third clamping tooth, the second clamping notch is V-shaped and is used for clamping and fixing the neck of the weight.

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