CN216370452U - Building site construction is with preventing pressing from both sides hand cutting machine - Google Patents
Building site construction is with preventing pressing from both sides hand cutting machine Download PDFInfo
- Publication number
- CN216370452U CN216370452U CN202122953093.8U CN202122953093U CN216370452U CN 216370452 U CN216370452 U CN 216370452U CN 202122953093 U CN202122953093 U CN 202122953093U CN 216370452 U CN216370452 U CN 216370452U
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- support
- saw blade
- hand
- construction
- ball
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- 238000005520 cutting process Methods 0.000 title claims abstract description 50
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 13
- 230000004224 protection Effects 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000009979 protective mechanism Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of building construction equipment, and particularly discloses a hand-clamping-preventing cutting machine for building site construction, which comprises a cutting table and a protection mechanism, wherein a support is arranged on the upper surface of the cutting table, a support is arranged at the upper end of the support, a motor is arranged on the outer side of the support, and a saw blade is fixedly connected to an output shaft of the motor; the protective mechanism is arranged on the support and comprises a pair of fixed blocks, a connecting rod, a compression spring, a sliding block and a ball body, wherein the fixed blocks are arranged at the lower end of the support; the ball body is fixedly arranged on the sliding block. This building site construction is with preventing tong cutting machine can separate hand and saw bit when the saw bit whereabouts, and protection machanism can also press the cutting workpiece near cutting department simultaneously, makes the hand press the position on the cutting workpiece and keeps away from saw bit and protection machanism, effectively avoids tong or saw bit cutting to one's hand.
Description
Technical Field
The utility model relates to the technical field of building construction equipment, and particularly discloses a hand clamping prevention cutting machine for construction of a building site.
Background
The building engineering is an engineering entity which performs various technical works and completions such as planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or extending building buildings and affiliated structures and installation engineering of lines, pipelines and equipment matched with the engineering entity. Also refers to the construction of various houses and buildings, also known as the construction workload. In the construction of construction works, a special cutter is required to cut a workpiece, and a user generally holds the workpiece by hand to cut, which results in easy gripping or cutting of the hand during the cutting process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hand-clamping prevention cutting machine for construction in a building site, which can separate a hand from a saw blade when the saw blade falls, and meanwhile, a protection mechanism can also press and hold a cutting workpiece at a position close to the cutting position, so that the pressing and holding part of the hand on the cutting workpiece is far away from the saw blade and the protection mechanism, and the hand clamping or the saw blade is effectively prevented from cutting the hand.
The utility model provides a hand-clamping prevention cutting machine for construction of a building site, which comprises:
the cutting table is provided with a support on the upper surface, a support is rotatably arranged at the upper end of the support, a motor is arranged on the outer side of the support, a saw blade is fixedly connected to an output shaft of the motor, and the saw blade penetrates through the support; and
protection machanism, set up on the support, it includes:
the pair of fixed blocks are arranged on one side of the support towards the saw blade;
the connecting rod is connected between the pair of fixed blocks;
the compression spring is arranged on the connecting rod in a penetrating way;
the sliding block is movably arranged on the connecting rod in a penetrating way and is fixedly connected with one end of the compression spring close to the bracket; and
the ball body is detachably arranged on the sliding block, and when the compression spring is in a natural extension state, the ball body and the saw blade are partially arranged in a staggered mode.
Preferably, the upper end of the support is provided with a through groove, a rotating shaft is arranged between two opposite side walls of the through groove, a through hole is formed in the end of the support, and the support is rotatably connected to the rotating shaft in a penetrating mode through the through hole.
Preferably, a return spring is arranged between the support and the bottom wall of the through groove, one end of the return spring is fixedly connected with the lower surface of the support, and the other end of the return spring is fixedly connected with the bottom wall of the through groove.
Preferably, when the compression spring is in a natural extension state, the central axis of the sphere in the vertical plane is located on the side of the saw blade close to the guard mechanism.
Preferably, the ball body is a hollow structure made of stainless steel; the lower surface of the sphere is of a plane structure, and a plurality of balls are rotatably arranged at the bottom end of the sphere.
Preferably, one side of the sliding block, which is provided with the ball body, is provided with an arc-shaped groove matched with the ball body, and the ball body is embedded in the arc-shaped groove; and a plurality of threaded holes are formed in the ball body at intervals in the vertical direction, through holes are formed in the sliding block, and bolts penetrate through the through holes and any threaded holes simultaneously to detachably connect the ball body and the sliding block.
Preferably, the upper surface of the support and the periphery of the saw blade are provided with protective shells.
Preferably, a cutting groove is formed in the upper surface of the cutting table and is located right below the saw blade.
Preferably, a housing is arranged on the periphery of the motor, and a handle is fixedly arranged on the housing.
Preferably, a propping sphere is fixedly arranged at the lower end of the saw blade and at one side of the same side with the sphere.
Compared with the prior art, the utility model has the beneficial effects that:
1. the anti-pinch cutting machine for construction of the building site, provided by the utility model, is characterized in that a workpiece to be cut is arranged below a saw blade, the saw blade is pressed downwards after a motor is turned on, the saw blade is gradually close to a lower sphere, so that downward pressing and holding force is generated on the lower sphere, and the sphere is movably connected on a connecting rod in a penetrating manner, so that when the saw blade continues to go downwards, the sphere is subjected to decomposition force in the horizontal direction, namely can move away from the saw blade, and the aim of pushing the hand in the direction away from the saw blade is fulfilled; meanwhile, the ball body can generate continuous pressing force on the workpiece in the cutting process, so that the contact point of the hand and the workpiece is far away from the saw blade, and the hand can be far away from the saw blade to be prevented from being cut by the saw blade or being clamped by a part moving downwards.
2. Can dismantle with spheroid and slider and be connected, can adjust the distance between spheroid lower surface to the cutting bed like this to can be used for pressing and hold the work piece that treats of different sizes.
Drawings
FIG. 1 is a schematic structural diagram of a hand-clamping prevention cutting machine for construction site construction according to an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a hand-pinching prevention cutter for construction site construction according to an embodiment of the present invention, which is provided with a protective shell;
FIG. 3 is a schematic diagram of a sphere according to another embodiment of the present invention;
FIG. 4 is a diagram of the position of the retaining ball, the saw blade and the ball according to another embodiment of the present invention;
fig. 5 is a schematic view of the connection between the ball and the slider according to another embodiment of the present invention.
Description of reference numerals: 100-a cutting table; 101-a support; 102-a scaffold; 103-a motor; 104-a saw blade; 105-cutting the groove; 106-a handle; 107-holding the ball; 108-through groove; 109-a rotating shaft; 110-a return spring; 114-a protective shell; 201-fixed block; 202-connecting rod; 203-compression spring; 204-a slide block; 205-sphere; 206-a ball bearing; 207-arc groove; 208-a threaded hole; 209-perforation; 210-bolt.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The anti-pinch cutting machine for construction site provided by the embodiment of the utility model is shown in figure 1 and comprises a cutting table 100 and a protection mechanism;
the upper surface of the cutting table 100 is provided with a support 101, the upper end of the support 101 is rotatably provided with a bracket 102, the outer side of the bracket 102 is provided with a motor 103, an output shaft of the motor 103 is fixedly connected with a saw blade 104, and the saw blade 104 is positioned in the bracket 102;
the protection mechanism is arranged on the support 101 and comprises a pair of fixed blocks 201, a connecting rod 202, a compression spring 203, a sliding block 204 and a ball 205, the pair of fixed blocks 201 are vertically arranged on one side of the support 101, which faces the saw blade 104, and the connecting rod 202 is arranged between the pair of fixed blocks 201, namely two ends of the connecting rod are respectively fixedly connected with the pair of fixed blocks 201; the compression spring 203 is arranged on the connecting rod 202 in a penetrating way; the sliding block 204 is movably arranged on the connecting rod 202 in a penetrating way and is fixedly connected with one end of the compression spring 203 close to the bracket 102; the ball 205 is fixed on the slider 204, and when the compression spring 203 is in a natural extension state, the ball 205 and the saw blade 104 are partially staggered.
When the cutting tool is used, a workpiece to be cut is placed below the saw blade 104, the workpiece is pressed and held below the sphere 205, the motor is started to press and hold the saw blade 104 downwards, the saw blade 104 is gradually close to the sphere 205 below, and downward pressing and holding force is generated on the sphere 205 below, because the surface of the sphere 205 is an arc-shaped surface, and the sphere 205 is movably connected with the connecting rod 202 in a penetrating manner, when the saw blade 104 continues to move downwards, the sphere 205 is subjected to decomposition force in the horizontal direction, and can move away from the saw blade 104, and the purpose of pushing the hand in the direction away from the saw blade 104 is achieved; meanwhile, the ball 205 can generate continuous pressing force on the workpiece in the cutting process, so that the contact point of the hand and the workpiece is further away from the saw blade 104, and the hand can be kept away from the saw blade 104 to be prevented from being cut by the saw blade 104 or being clamped by a component moving downwards.
In the above embodiment, as shown in fig. 2, in order to prevent the hand from being cut by the upper end of the saw blade 104, a protective shell 114 is disposed on the upper surface of the support 102 and at the periphery of the saw blade 104.
In the above embodiment, as shown in fig. 2, a housing is disposed on the outer periphery of the motor 103, and a handle 106 is fixed on the housing, and the handle 106 is convenient for controlling the saw blade 104 to move downward.
As another preferred embodiment of the present invention, with continuing reference to fig. 1, the rotatable arrangement structure of the support 102 and the support 101 may be: the upper end of the support 101 is provided with a through groove 108, a rotating shaft 109 is arranged between two opposite side walls of the through groove 108, the end of the bracket 102 is provided with a through hole, and the bracket 102 is rotatably connected on the rotating shaft 109 through the through hole.
Meanwhile, after the saw blade 104 finishes cutting the workpiece, in order to enable the saw blade 104 to automatically move upwards and continuously separate from the cutting table 100, a return spring 110 is arranged between the bracket 102 and the bottom wall of the through slot 108, and one end of the return spring 110 is fixedly connected with the lower surface of the bracket 102, and the other end of the return spring is fixedly connected with the bottom wall of the through slot 108. The return spring 110 is an extension spring, when the saw blade 104 cuts a workpiece downwards, the return spring 110 extends, and after the cutting is finished, the handle 106 is released, so that the saw blade 104 can automatically return under the action of the return spring 110.
As another embodiment of the present invention, referring to fig. 1, in order to prevent the cutting table 100 from being damaged by the saw blade 104, a cutting groove 105 is formed on the upper surface of the cutting table 100 and directly below the saw blade 104.
As another embodiment of the present invention, the ball 205 is a hollow structure made of stainless steel, which can reduce the weight of the whole cutting machine, and the stainless steel has the characteristics of corrosion resistance and wear resistance, which can reduce the loss of the ball 205;
meanwhile, in order to increase the contact area between the sphere 205 and the workpiece to be cut, so that the workpiece to be cut is stably pressed, referring to fig. 3, the bottom end of the sphere 205 is set to be a planar structure; meanwhile, when the ball 205 moves in the horizontal direction under the pressure of the saw blade 104, in order to reduce the friction between the lower surface of the ball 205 and the workpiece to be cut, the normal movement of the ball 205 is ensured, a plurality of balls 206 are rotatably arranged at the bottom end of the ball 205, and the rotatable arrangement of the balls 206 can be: the bottom of the ball 205 is recessed inwards to form a groove, a plurality of fixing shafts are arranged in the groove, the fixing shafts are arranged on the same horizontal plane, and the balls 206 with the same size are arranged on the fixing shafts in a penetrating mode.
As a preferred embodiment of the present invention, referring to fig. 2 and 4, a holding ball 107 is fixed at the lower end of the saw blade 104 and on the same side as the ball 205. The holding ball 107 may be a hollow structure made of stainless steel, and the arrangement of the holding ball 107 can reduce the abrasion of the ball 205 caused by the direct contact of the saw blade 104 and the ball 205.
As another preferred embodiment of the present invention, referring to fig. 5, in order to enable the sphere 205 to press and hold workpieces to be cut with different sizes, an arc-shaped groove 207 matching with the sphere 205 is formed on one side of the slider 204 where the sphere 205 is disposed, and the sphere 205 is embedded in the arc-shaped groove 207; a plurality of threaded holes 208 are formed in the ball body 205 at intervals in the vertical direction, a through hole 209 is formed in the sliding block 204 in a penetrating mode, and a bolt 210 penetrates through the through hole 209 and any one of the threaded holes 208 simultaneously to detachably connect the ball body 205 and the sliding block 204; a nut is disposed on the bolt 210. This arrangement allows for adjustment of the distance between the ball 205 and the cutting table 100, thereby allowing for the clamping of workpieces of different thicknesses.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a building site construction is with preventing tong cutting machine which characterized in that includes:
the cutting table (100) is provided with a support (101) on the upper surface, a support (102) is rotatably arranged at the upper end of the support (101), a motor (103) is arranged on the outer side of the support (102), a saw blade (104) is fixedly connected to an output shaft of the motor (103), and the saw blade (104) penetrates through the support (102); and
a protection mechanism, arranged on the support (101), comprising:
a pair of fixing blocks (201) arranged on one side of the support (101) facing the saw blade (104);
a connecting rod (202) connected between the pair of fixed blocks (201);
the compression spring (203) is arranged on the connecting rod (202) in a penetrating way;
the sliding block (204) is movably arranged on the connecting rod (202) in a penetrating way and is fixedly connected with one end, close to the bracket (102), of the compression spring (203); and
a ball (205) detachably disposed on the slider (204), wherein the ball (205) partially crosses the saw blade (104) when the compression spring (203) is in a natural extension state.
2. The hand-clamping prevention cutting machine for construction of the construction site as claimed in claim 1, wherein a through groove (108) is formed in the upper end of the support (101), a rotating shaft (109) is arranged between two opposite side walls of the through groove (108), a through hole is formed in the end portion of the support (102), and the support (102) is rotatably connected to the rotating shaft (109) in a penetrating mode through the through hole.
3. The hand-clamping prevention cutting machine for construction of building sites as claimed in claim 2, wherein a return spring (110) is arranged between the support (102) and the bottom wall of the through groove (108), and one end of the return spring (110) is fixedly connected with the lower surface of the support (102) and the other end is fixedly connected with the bottom wall of the through groove (108).
4. The hand pinching prevention cutter for construction site of claim 1, wherein when the compression spring (203) is in a natural extension state, a central axis of the ball (205) in a vertical plane is located at a side of the saw blade (104) near the guard mechanism.
5. The hand-pinching-preventing cutter for construction site construction according to claim 1, wherein the ball (205) is a hollow structure made of stainless steel; the bottom end of the sphere (205) is of a plane structure, and a plurality of balls (206) are rotatably arranged at the bottom end of the sphere (205).
6. The hand-clamping prevention cutting machine for construction of building sites as claimed in claim 1, wherein one side of the sliding block (204) provided with the ball body (205) is provided with an arc-shaped groove (207) matched with the ball body (205), and the ball body (205) is embedded in the arc-shaped groove (207); and a plurality of threaded holes (208) are formed in the ball body (205) at intervals in the vertical direction, a through hole (209) penetrates through the sliding block (204), and a bolt (210) penetrates through the through hole (209) and any one of the threaded holes (208) at the same time to detachably connect the ball body (205) and the sliding block (204).
7. The hand pinching prevention cutter for construction of a construction site according to claim 1, wherein a protection cover (114) is provided on an upper surface of the bracket (102) and at a periphery of the saw blade (104).
8. The hand-clamping prevention cutting machine for construction of building sites as claimed in claim 1, wherein a cutting groove (105) is formed on the upper surface of the cutting table (100) and is located right below the saw blade (104).
9. The hand clamping prevention cutter for construction of building sites according to claim 1, wherein a housing is provided at the periphery of the motor (103), and a handle (106) is fixedly provided on the housing.
10. The hand-clamping prevention cutting machine for construction of building sites as claimed in claim 1, wherein a support ball (107) is fixedly arranged at the lower end of the saw blade (104) and at one side of the same side as the ball (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122953093.8U CN216370452U (en) | 2021-11-29 | 2021-11-29 | Building site construction is with preventing pressing from both sides hand cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122953093.8U CN216370452U (en) | 2021-11-29 | 2021-11-29 | Building site construction is with preventing pressing from both sides hand cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216370452U true CN216370452U (en) | 2022-04-26 |
Family
ID=81220833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122953093.8U Expired - Fee Related CN216370452U (en) | 2021-11-29 | 2021-11-29 | Building site construction is with preventing pressing from both sides hand cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216370452U (en) |
-
2021
- 2021-11-29 CN CN202122953093.8U patent/CN216370452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220426 |