CN216542042U - Clamp for mining machinery - Google Patents
Clamp for mining machinery Download PDFInfo
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- CN216542042U CN216542042U CN202123169091.6U CN202123169091U CN216542042U CN 216542042 U CN216542042 U CN 216542042U CN 202123169091 U CN202123169091 U CN 202123169091U CN 216542042 U CN216542042 U CN 216542042U
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- sliding
- worm
- clamping jaw
- worm wheel
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Abstract
The utility model relates to a clamp for mining machinery, which comprises a base, a moving plate, a clamping jaw assembly, a strip-shaped tooth, a worm wheel, a worm and a driving piece, wherein the moving plate is connected with the base in a sliding manner, the clamping jaw assembly is arranged on the surface of the moving plate, the strip-shaped tooth is fixedly arranged at the bottom of the moving plate, the worm wheel is correspondingly meshed and connected with the strip-shaped tooth, the worm is meshed and connected with the worm wheel, and the driving piece drives the worm to drive the worm wheel to rotate; when the clamping fixture is used, the driving piece is started to drive the worm to rotate, and further the worm wheel is driven to rotate, so that the strip-shaped teeth are driven to drive the two moving plates and the clamping jaw assembly to mutually approach or keep away from each other to clamp and fix or separate a workpiece; compared with the prior art, the driving structure of the clamping jaw driving assembly has the advantages that synchronous motion of the two groups of clamping jaw assemblies can be completed by one driving piece, the structure is simple, the energy consumption is low, and the energy is saved and the environment is protected.
Description
Technical Field
The utility model relates to the technical field of mining machinery processing, in particular to a clamp for mining machinery.
Background
The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, etc., with machine tool jigs being the most common. When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing.
The driving structure of the existing clamp is complex, a plurality of driving pieces are needed to drive the opposite clamping jaws to move so as to clamp and position the workpiece, and the energy consumption is high.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a mining machine jig that can effectively solve the above-described problems.
In order to achieve the purpose of the utility model, the following technical scheme is adopted:
a jig for a mining machine, comprising:
a base;
moving a plate: the two symmetrical moving plates are arranged and are in sliding connection with the base, and a clamping jaw assembly is arranged on the surface of each moving plate;
a bar-shaped tooth; the movable plates correspond to one another and are fixedly arranged at the bottoms of the movable plates;
worm wheel: two strip-shaped teeth are arranged and correspondingly meshed and connected with the strip-shaped teeth;
worm: the worm wheel is rotatably connected to the bottom of the base and is meshed with the worm wheel;
and, a driver: and the worm is fixedly arranged on one side of the rack and drives the worm to drive the worm wheel to rotate, so that the bar-shaped teeth are driven to drive the two moving plates and the clamping jaw assembly to move relatively to clamp and fix the workpiece.
Preferably, a preset groove is fixedly arranged in the upper surface of the base.
Preferably, the jaw assembly comprises:
fixing a frame: the upper surface of the movable plate is fixedly arranged;
a slide bar: the fixing frame is connected with the fixing frame in a sliding mode and is coaxial with the preset groove; racks arranged along the length direction of the moving plate are arranged on two sides of the sliding rod;
sector gear: the sliding rods are respectively arranged on two sides of the sliding rod and correspondingly meshed and connected with the racks;
double crank connecting rod structure: the fan-shaped gear is respectively arranged at two sides of the sliding rod, one end of the fan-shaped gear is hinged with the fixed frame, and the fan-shaped gear is movably connected with the end part of the end;
and, a jaw: the sliding rod, the rack, the sector gear and the double-crank connecting rod structure are matched and driven to clamp and fix the workpiece.
Preferably, the upper surface of the fixed frame is provided with a sliding chute, and the bottom of the sliding rod is fixedly provided with a guide sliding block which is in sliding connection with the sliding chute.
Preferably, a guide rod is fixedly arranged at one end part of the sliding rod, which is far away from the preset groove, and the guide rod penetrates through the end wall of the fixed frame and is in sliding connection with the fixed frame.
Preferably, a spring is arranged between the sliding rod and the end wall of the fixed frame, and the spring is sleeved outside the guide rod
Compared with the prior art, the utility model has the following beneficial effects:
when the worm clamping device is used, the driving piece is started to drive the worm to rotate, so that the worm wheel is driven to rotate, and the strip-shaped teeth are driven to drive the two moving plates and the clamping jaw assembly to approach or separate from each other so as to clamp and fix or separate a workpiece; compared with the prior art, the driving structure of the clamping jaw driving assembly has the advantages that synchronous motion of the two groups of clamping jaw assemblies can be completed by one driving piece, the structure is simple, the energy consumption is low, and the energy is saved and the environment is protected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic structural view of a clamp for mining machinery according to the present invention;
fig. 2 is a plan view of a mining machine jig according to the present invention;
fig. 3 is a cross-sectional view taken along the plane a-a in fig. 2.
Numerical description in the figures:
1. a base; 2. moving the plate;
3. a jaw assembly; 31. a fixed mount; 32. a slide bar; 33. a sector gear; 34. a double crank connecting rod structure; 35. a clamping jaw; 36. a rack; 37. an end cap; 38. a guide bar; 39. a spring;
4. a bar-shaped tooth; 5. a worm gear; 6. a worm; 7. a drive member; 8. presetting a groove; 9. a guide groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the utility model. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the clamp for mining machinery according to the present invention includes a base 1, a moving plate 2, a jaw assembly 3, a bar tooth 4, a worm wheel 5, a worm 6, and a driving member 7.
Specifically, the base 1 is horizontally arranged, the upper surface of the base is provided with a guide groove 9 along the length direction of the base, and the bottom of the guide groove 9 is provided with a clip-shaped through hole. The two moving plates 2 are arranged and are symmetrically arranged about a vertical central axis of the base 1; the moving plate 2 is slidably connected with the guide groove 9.
The clamping jaw assembly 3 is installed on the moving plate 2 and can clamp and fix a workpiece along with the horizontal movement of the moving plate 2.
The strip-shaped teeth 4 are arranged in the middle of the bottom surface of the moving plate 2; the worm gears 5 are positioned at the end parts of the two opposite ends of the strip-shaped teeth 4 and are in one-to-one corresponding meshed connection with the strip-shaped teeth 4; the bottom of base 1 sets firmly worm wheel 5 mounting bracket.
The worm 6 is positioned below the worm wheel 5, is rotatably connected between the end walls of the two ends of the base 1, and is meshed with the worm wheel 5. The driving piece 7 is installed on the outer side of the end wall at the right end of the base 1 and is in driving connection with the worm 6; the drive 7 is preferably a drive motor.
When the clamping fixture is used, the driving piece 7 is started to drive the worm 6 to rotate, and further the worm wheel 5 is driven to rotate, so that the strip-shaped teeth 4 are driven to drive the two moving plates 2 and the clamping jaw assemblies 3 to mutually approach or separate to clamp and fix or separate a workpiece; compared with the prior art, the driving structure of the driving component of the clamping jaw 35 has the advantages that the synchronous motion of the two groups of clamping jaw components 3 can be completed by adopting one driving component 7, the structure is simple, the energy consumption is low, and the energy conservation and the environmental protection are realized.
Specifically, in this embodiment, a preset groove 8 is installed in the middle of the base 1, and is used for placing a workpiece and pre-positioning the workpiece.
In addition, in the present embodiment, the clamping jaw assembly 3 includes a fixed frame 31, a sliding rod 32, a sector gear 33, a double crank link structure 34, and a clamping jaw 35.
The fixing frame 31 is fixed on the upper surface of the moving plate 2 and is horizontally arranged. The sliding rod 32 is connected with the fixed frame 31 in a sliding manner and is coaxial with the preset groove 8; the middle parts of the front side and the rear side are respectively provided with a rack 36 arranged along the length direction of the moving plate 2, and one end of the rack close to the preset groove 8 is integrally connected with an end cover 37.
The sector-shaped teeth are respectively arranged on two sides of the sliding rod 32 and correspondingly meshed and connected with the rack 36. The double-crank connecting rod structure 34 is respectively arranged at two sides of the sliding rod 32, one end of the double-crank connecting rod structure, which is far away from the preset groove 8, is hinged with the fixed frame 31, and the sector gear 33 is movably connected with the end part of the end; specifically, the double-crank connecting rod structure 34 is a parallelogram; the clamping jaw 35 is movably connected with one end of the double-crank connecting rod structure 34 close to the preset groove 8.
After the end cover 37 of the workpiece contacts with each other, the moving plate 2 moves forward, and in this process, the sliding rod 32 moves towards one end far away from the preset groove 8 under the driving force of the workpiece, so as to drive the sector gear 33 to rotate, and further drive the double-crank connecting rod structure 34 to drive the clamping jaw 35 to move relatively to clamp and fix the workpiece.
The workpiece is clamped by the driving clamping jaw 35 with the structure, so that the operation is convenient, and an additional driving piece 7 is not needed, thereby further simplifying the structure and reducing the energy consumption.
Specifically, the upper surface of the fixed frame 31 is provided with a sliding groove, and the bottom of the sliding rod 32 is welded with a guide sliding block which is in sliding connection with the sliding groove; meanwhile, a guide rod 38 is integrally connected to an end portion of the slide rod 32 far away from the preset groove 8, and the guide rod 38 penetrates through an end wall of the fixed frame 31 and is in sliding connection with the fixed frame. The arrangement of the sliding groove, the guide sliding block and the guide rod 38 is used for guiding the sliding rod 32 to move, and the double guiding can further improve the motion stability of the sliding rod 32.
In addition, in the present embodiment, a spring 39 is installed between the sliding rod 32 and the end wall of the fixed frame 31, and the spring 39 is sleeved on the outer side of the guide rod 38; through setting up spring 39 for slide bar 32 can automatic re-setting, and degree of automation is high.
The working principle of the utility model is as follows:
when the double-crank connecting rod structure is used, a workpiece is placed in the preset groove 8, then the driving piece 7 is started to drive the worm 6 to rotate, the worm wheel 5 is further driven to rotate, the bar-shaped teeth 4 are driven to drive the two moving plates 2 to move relatively, when the end covers 37 at the ends of the workpiece are contacted, the moving plates 2 continue to move forwards, in the process, the sliding rod 32 moves towards one end far away from the preset groove 8 under the driving force of the workpiece, the sector gear 33 is further driven to rotate, and the double-crank connecting rod structure 34 is driven to drive the clamping jaw 35 to move relatively to clamp and fix the workpiece.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.
Claims (6)
1. The utility model provides a anchor clamps for mining machinery which characterized in that: the method comprises the following steps:
a base;
moving a plate: the two symmetrical moving plates are arranged and are in sliding connection with the base, and a clamping jaw assembly is arranged on the surface of each moving plate;
a bar-shaped tooth; the movable plates correspond to one another and are fixedly arranged at the bottoms of the movable plates;
worm gear: two strip-shaped teeth are arranged and correspondingly meshed and connected with the strip-shaped teeth;
worm: the worm wheel is rotatably connected to the bottom of the base and is meshed with the worm wheel;
and, a driver: and the worm is driven to drive the worm wheel to rotate, so that the bar-shaped teeth are driven to drive the two moving plates and the clamping jaw assembly to move relatively to clamp and fix the workpiece.
2. The mining machine jig according to claim 1, wherein: a preset groove is fixedly arranged in the upper surface of the base.
3. The mining machine jig according to claim 2, wherein: the jaw assembly includes:
fixing a frame: the upper surface of the movable plate is fixedly arranged;
a slide bar: the fixing frame is connected with the fixing frame in a sliding mode and is coaxial with the preset groove; racks arranged along the length direction of the moving plate are arranged on two sides of the sliding rod;
sector gear: the sliding rods are respectively arranged on two sides of the sliding rod and correspondingly meshed and connected with the racks;
double crank connecting rod structure: the fan-shaped gear is respectively arranged at two sides of the sliding rod, one end of the fan-shaped gear is hinged with the fixed frame, and the fan-shaped gear is movably connected with the end part of the end;
and, a jaw: the sliding rod, the rack, the sector gear and the double-crank connecting rod structure are matched and driven to clamp and fix the workpiece.
4. The mining machine jig according to claim 3, wherein: the upper surface of the fixing frame is provided with a sliding groove, and the bottom of the sliding rod is fixedly provided with a guide sliding block which is in sliding connection with the sliding groove.
5. The mining machine jig according to claim 4, wherein: the end part of one end of the sliding rod, which is far away from the preset groove, is fixedly provided with a guide rod, and the guide rod penetrates through the end wall of the fixed frame and is in sliding connection with the fixed frame.
6. The mining machine jig according to claim 5, wherein: and a spring is arranged between the sliding rod and the end wall of the fixed frame and sleeved outside the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169091.6U CN216542042U (en) | 2021-12-16 | 2021-12-16 | Clamp for mining machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169091.6U CN216542042U (en) | 2021-12-16 | 2021-12-16 | Clamp for mining machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216542042U true CN216542042U (en) | 2022-05-17 |
Family
ID=81542906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123169091.6U Active CN216542042U (en) | 2021-12-16 | 2021-12-16 | Clamp for mining machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216542042U (en) |
-
2021
- 2021-12-16 CN CN202123169091.6U patent/CN216542042U/en active Active
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