CN210588263U

CN210588263U - Clamp with good fixing effect for numerical control machining

Info

Publication number: CN210588263U
Application number: CN201921607369.3U
Authority: CN
Inventors: 陈辉昌
Original assignee: Suzhou Dasiyuan Machinery Co Ltd
Current assignee: Suzhou Dasiyuan Machinery Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-22
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a clamp with good fixing effect for numerical control processing in the technical field of numerical control processing, which comprises a workbench, a fixed block is arranged at the middle end in the workbench, adjusting screw rods are rotatably connected to two sides of the fixed block through bearings, one ends of the two groups of adjusting screw rods, far away from the fixed block, penetrate through the workbench and extend to the outer side of the workbench, adjusting knobs are sleeved at one ends of the two groups of adjusting screw rods, far away from the fixed block, supporting blocks are screwed on the outer walls of the two groups of adjusting screw rods, threaded holes are transversely arranged in the supporting blocks, the tops of the supporting blocks penetrate through the workbench, through grooves matched with the supporting blocks are arranged on the tops of the workbench, through being provided with on the outer wall of left splint and right splint on non-slip raised and anti-skidding bump, can increase the friction between left splint and right splint and the part for fixed effect is better.

Description

Clamp with good fixing effect for numerical control machining

Technical Field

The utility model relates to a numerical control processing technology field specifically is numerical control processing is with fixed effectual anchor clamps.

Background

The numerical control machining is a technological method for machining parts on a numerical control machine tool, the parts need to be clamped and fixed firstly in the process of machining the parts and then machined, the fixing effect of the existing clamp for numerical control machining is not good, a clamping plate is prone to being inclined when clamping the parts, the clamp is generally fixedly arranged on a workbench of a vertical machining center, the parts placed far away cannot be effectively clamped, the clamp is prone to excessively extruding the parts when clamping the parts, the clamping force is too large, and the parts are prone to being damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control processing is with fixed effectual anchor clamps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the clamp with good fixing effect for numerical control machining comprises a workbench, wherein a fixed block is installed at the middle end inside the workbench, two sides of the fixed block are rotatably connected with adjusting screw rods through bearings, one ends of the two groups of adjusting screw rods, far away from the fixed block, penetrate through the workbench and extend to the outer side of the workbench, adjusting knobs are sleeved at one ends of the two groups of adjusting screw rods, far away from the fixed block, supporting blocks are screwed on the outer walls of the two groups of adjusting screw rods, threaded holes are transversely formed in the supporting blocks, the tops of the supporting blocks penetrate through the workbench, through grooves matched with the supporting blocks are formed in the tops of the workbench, a fixing device is connected to the tops of the supporting blocks on the left side, a supporting plate is connected to the tops of the supporting blocks on the right side, threaded rods transversely penetrate through the insides of the, the left end of threaded rod is rotated and is connected with right splint, the top and the bottom on right side splint all transversely are provided with the connecting rod, the right-hand member of connecting rod all with dead lever swing joint, be provided with the slide rail on the inner wall of dead lever, and be provided with on the outer wall of connecting rod with slide rail assorted draw runner, the bottom of workstation all is provided with buffer base all around.

Preferably, fixing device is including connecting in the left side fixed plate on the supporting shoe outer wall, the top right side of fixed plate is provided with the spout, the inner wall left side of spout is provided with supporting spring, supporting spring's right-hand member is connected on the outer wall of bracing piece, and the bottom and the spout sliding connection of bracing piece, the right-hand member swing joint of bracing piece is on the outer wall of left splint, the left side top of left side splint transversely is provided with the horizontal pole, the left end sliding connection of horizontal pole has the guide bar, the left end of guide bar is connected on the outer wall of riser, the bottom of riser is connected on the outer wall of fixed plate, the right side top of riser is provided with the stress spring who cup joints on the guide bar outer wall, stress spring's right-hand member.

Preferably, the buffering base includes the same movable rod of three group structures, three groups the top of movable rod is all connected on the outer wall of workstation, three groups the supporting seat is all run through to the bottom of movable rod, the inner wall bottom of supporting seat is provided with the same connecting block of three group structures, and the connecting block is trapezium structure, three groups the top of connecting block all is provided with buffer spring, buffer spring's top is all connected on the outer wall of movable rod.

Preferably, the bracing piece is the L type, the right-hand member of bracing piece is connected with the inserted block, and the bracing piece passes through the inserted block and pegs graft with left splint.

Preferably, the outer wall of the adjusting knob is sleeved with an anti-slip sleeve, and the outer wall of the fixing knob is uniformly provided with anti-slip lines.

Preferably, the right side of left splint and the left side of right splint evenly are provided with anti-skidding arch, anti-skidding arch semicircular structure, and evenly be provided with anti-skidding bump on the bellied outer wall of antiskid.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the connecting rod, the fixing rod and the sliding strip are arranged, so that the right clamping plate is prevented from being inclined in the moving and clamping process, the supporting rod slides on the fixing plate, the cross rod slides on the guide rod, the left clamping plate can be prevented from being inclined in the moving and clamping process, the fixing effect of the left clamping plate and the right clamping plate when a part is clamped can be improved, and the anti-skidding bulges and the anti-skidding salient points are arranged on the outer walls of the left clamping plate and the right clamping plate, so that the friction between the left clamping plate and the part and the friction between the right clamping plate and the part can be increased, and the fixing effect is;

2. the adjusting knob is rotated to enable the adjusting screw rod to rotate, so that the position of the supporting block can be changed, the positions of the left clamping plate and the right clamping plate can be changed, and parts placed far away can be clamped effectively;

3. through being provided with supporting spring and stress spring, avoid anchor clamps when pressing from both sides tight part, because excessively press from both sides tight clamp force that leads to too big for the part damages, through being provided with buffer spring, make anchor clamps at the during operation, can effectual buffering vibration, thereby improved parts machining's precision.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing device of the present invention;

fig. 3 is a schematic view of the structure of the buffer base of the present invention.

In the figure: 1. a work table; 2. a fixed block; 3. adjusting the screw rod; 4. adjusting a knob; 5. a support block; 6. a through groove; 7. a fixing device; 71. a fixing plate; 72. a chute; 73. a support spring; 74. a support bar; 75. a left splint; 76. a cross bar; 77. a guide bar; 78. a vertical plate; 79. a stress spring; 8. a support plate; 9. a threaded rod; 10. fixing the knob; 11. a right splint; 12. a connecting rod; 13. fixing the rod; 14. a slide bar; 15. a buffer base; 151. a movable rod; 152. a supporting seat; 153. connecting blocks; 154. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a clamp with good fixing effect for numerical control machining, please refer to figure 1, which comprises a workbench 1, wherein a fixed block 2 is arranged at the middle end in the workbench 1, two sides of the fixed block 2 are rotatably connected with adjusting screw rods 3 through bearings, one ends of the two groups of adjusting screw rods 3 far away from the fixed block 2 extend to the outer side of the workbench 1 through the workbench 1, one ends of the two groups of adjusting screw rods 3 far away from the fixed block 2 are sleeved with adjusting knobs 4, supporting blocks 5 are screwed on the outer walls of the two groups of adjusting screw rods 3, threaded holes are transversely arranged in the supporting blocks 5, the top of the supporting blocks 5 penetrates through the workbench 1, through grooves 6 matched with the supporting blocks 5 are arranged at the top of the workbench 1, the supporting blocks 5 can be moved leftwards and rightwards conveniently, the position can be changed, the adjusting screw rods 3 can be rotated by rotating the adjusting knobs 4, the position of the supporting blocks, the parts placed far away are convenient to clamp effectively;

referring to fig. 1, the top of the left support block 5 is connected with a fixing device 7, the top of the right support block 5 is connected with a support plate 8, a threaded rod 9 transversely penetrates through the interior of the support plate 8, a fixing knob 10 is sleeved at the right end of the threaded rod 9, a right clamping plate 11 is rotatably connected at the left end of the threaded rod 9, the threaded rod 9 is rotated by rotating the fixing knob 10, thereby driving the right splint 11 to move, and adjusting the position of the right splint 11 according to parts with different sizes, the top and the bottom of the right side of the right splint 11 are both transversely provided with a connecting rod 12, the right end of the connecting rod 12 is both movably connected with a fixed rod 13, the inner wall of the fixed rod 13 is provided with a slide rail, and the outer wall of the connecting rod 12 is provided with a slide bar 14 matched with the slide rail, through the slide bar 14, the connecting rod 12 is stable when sliding on the fixing rod 13, and the buffer bases 15 are arranged on the periphery of the bottom of the workbench 1.

Referring to fig. 2, the fixing device 7 includes a fixing plate 71 connected to the outer wall of the left support block 5, a sliding groove 72 is disposed on the right side of the top of the fixing plate 71, a support spring 73 is disposed on the left side of the inner wall of the sliding groove 72, the right end of the support spring 73 is connected to the outer wall of the support rod 74, the bottom end of the support rod 74 is slidably connected to the sliding groove 72, the right end of the support rod 74 is movably connected to the outer wall of the left clamp plate 75, and extends and contracts through the support spring 73, so as to prevent the clamp from damaging the parts due to excessive clamping force caused by excessive clamping when clamping the parts, a cross bar 76 is transversely disposed on the top of the left side of the left clamp plate 75, the left end of the cross bar 76 is slidably connected to a guide bar 77, the guide bar 77 plays a role in guiding the stress spring 79, so as to prevent, the stress spring 79 sleeved on the outer wall of the guide rod 77 is arranged at the top of the right side of the vertical plate 78, the right end of the stress spring 79 is connected to the outer wall of the cross rod 76, the problem of overlarge clamping force can be effectively avoided by matching the stress spring 79 with the supporting spring 73, and the left clamping plate 75 can be prevented from being inclined when moving leftwards by sliding the cross rod 76 on the guide rod 77, so that the effect of clamping parts by the left clamping plate 75 is improved;

referring to fig. 3, the buffer base 15 includes three groups of movable rods 151 with the same structure, the tops of the three groups of movable rods 151 are all connected to the outer wall of the workbench 1, the bottoms of the three groups of movable rods 151 all penetrate through the supporting base 152, the bottom of the inner wall of the supporting base 152 is provided with three groups of connecting blocks 153 with the same structure, the connecting blocks 153 are in a trapezoidal structure, the tops of the three groups of connecting blocks 153 are all provided with buffer springs 154, the tops of the buffer springs 154 are all connected to the outer wall of the movable rods 151, and the buffer springs 154 are squeezed by the movable rods 151 during vibration of the clamp during operation, so that the clamp can be effectively buffered, and the precision of part;

referring to fig. 2, the supporting rod 74 is L-shaped, the right end of the supporting rod 74 is connected with an insert block, and the supporting rod 74 is inserted into the left clamping plate 75 through the insert block, so that the supporting rod 74 is conveniently installed;

referring to fig. 1, an anti-slip sleeve is sleeved on the outer wall of the adjusting knob 4, the anti-slip sleeve is made of rubber materials, and anti-slip lines are uniformly arranged on the outer wall of the fixing knob 10, so that a worker can conveniently rotate the adjusting knob 4 and the fixing knob 10;

referring to fig. 1 and 2, the right side of the left clamping plate 75 and the left side of the right clamping plate 11 are uniformly provided with anti-slip protrusions, the anti-slip protrusions are of a semicircular structure, and anti-slip salient points are uniformly arranged on the outer walls of the anti-slip protrusions, so that friction between the left clamping plate 75 and the part and friction between the right clamping plate 11 and the part can be increased, and the fixing effect is good.

The working principle is as follows: when the part fixing device is used, a part is placed on the workbench 1, the adjusting knob 4 is rotated according to the size of the part, the adjusting screw rod 3 is rotated, the supporting block 5 is moved towards the direction close to the part, the threaded rod 9 is rotated by rotating the fixing knob 10, so that the right clamping plate 11 can be driven to move, the part is clamped by the left clamping plate 75 and the right clamping plate 11, the friction between the left clamping plate 75 and the part and the right clamping plate 11 can be increased by arranging the anti-skidding bulges and the anti-skidding convex points, the fixing effect is good, the right clamping plate 11 can move, the connecting rod 12 slides on the fixing rod 13 through the sliding strip 14, the right clamping plate 11 can be prevented from being inclined when moving, the part extrudes the left clamping plate 75, the supporting rod 74 slides on the fixing plate 71, the supporting spring 73 is compressed, the cross rod 76 slides on the guide rod 77, the stress spring 79 is compressed, can avoid anchor clamps when clamping parts, because excessively press from both sides to lead to the clamp force too big for the part damages, also can avoid left splint 75 to remove the tight in-process skew of clamp, thereby can improve the fixed effect of left splint 75 and right splint 11 when clamping parts.

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. Numerical control processing is with fixed effectual anchor clamps, including workstation (1), its characterized in that: the middle end in the workbench (1) is provided with a fixed block (2), two sides of the fixed block (2) are rotatably connected with adjusting screw rods (3) through bearings, one ends of the two groups of adjusting screw rods (3) far away from the fixed block (2) penetrate through the workbench (1) and extend to the outer side of the workbench (1), one ends of the two groups of adjusting screw rods (3) far away from the fixed block (2) are sleeved with adjusting knobs (4), the outer walls of the two groups of adjusting screw rods (3) are screwed with supporting blocks (5), threaded holes are transversely formed in the supporting blocks (5), the tops of the supporting blocks (5) penetrate through the workbench (1), through grooves (6) matched with the supporting blocks (5) are formed in the top of the workbench (1), the top of the supporting block (5) on the left side is connected with a fixing device (7), the top of the supporting block (5) on the right side is connected with a supporting plate, the utility model discloses a fixing device for the working table, including backup pad (8), threaded rod (9) transversely runs through in the inside of backup pad (8), fixed knob (10) have been cup jointed to the right-hand member of threaded rod (9), the left end of threaded rod (9) is rotated and is connected with right splint (11), top and bottom on right side splint (11) right side all transversely are provided with connecting rod (12), the right-hand member of connecting rod (12) all with dead lever (13) swing joint, be provided with the slide rail on the inner wall of dead lever (13), and be provided with on the outer wall of connecting rod (12) with slide rail assorted draw runner (14), the bottom of workstation (1) all is provided with buffer base (15).

2. The numerical control machining clamp with good fixing effect as claimed in claim 1, characterized in that: the fixing device (7) comprises a fixing plate (71) connected to the outer wall of the supporting block (5) on the left side, a sliding groove (72) is formed in the right side of the top of the fixing plate (71), a supporting spring (73) is arranged on the left side of the inner wall of the sliding groove (72), the right end of the supporting spring (73) is connected to the outer wall of a supporting rod (74), the bottom end of the supporting rod (74) is connected with the sliding groove (72) in a sliding mode, the right end of the supporting rod (74) is movably connected to the outer wall of a left clamping plate (75), a cross rod (76) is transversely arranged on the top of the left side of the left clamping plate (75), a guide rod (77) is connected to the left end of the cross rod (76) in a sliding mode, the left end of the guide rod (77) is connected to the outer wall of a vertical plate (78), the bottom end of the vertical plate (78) is connected to the outer wall of, the right end of the stress spring (79) is connected to the outer wall of the cross rod (76).

3. The numerical control machining clamp with good fixing effect as claimed in claim 1, characterized in that: buffer base (15) are including the same movable rod (151) of three group structures, three groups the top of movable rod (151) is all connected on the outer wall of workstation (1), three groups supporting seat (152) is all run through to the bottom of movable rod (151), the inner wall bottom of supporting seat (152) is provided with the same connecting block (153) of three group structures, and connecting block (153) are the trapezium structure, three groups the top of connecting block (153) all is provided with buffer spring (154), the top of buffer spring (154) is all connected on the outer wall of movable rod (151).

4. The numerical control machining clamp with good fixing effect as claimed in claim 2, characterized in that: the utility model discloses a support bar, including bracing piece (74), bracing piece (74) are the L type, the right-hand member of bracing piece (74) is connected with the inserted block, and bracing piece (74) are pegged graft with left splint (75) through the inserted block.

5. The numerical control machining clamp with good fixing effect as claimed in claim 1, characterized in that: the outer wall of the adjusting knob (4) is sleeved with an anti-slip sleeve, and the outer wall of the fixing knob (10) is uniformly provided with anti-slip lines.

6. The numerical control machining clamp with good fixing effect as claimed in claim 2, characterized in that: the right side of left splint (75) and the left side of right splint (11) evenly are provided with anti-skidding arch, anti-skidding arch semicircular structure, and evenly be provided with anti-skidding bump on the bellied outer wall of antiskid.