CN207171554U - Clamping device for numerical control milling machine - Google Patents

Abstract

The utility model discloses a clamping device for a numerical control milling machine, which comprises a base, a fixing hole, a guide rail, a screw rod, a movable seat, a connecting seat, a connecting rod, a screw, a supporting seat, a fixing piece, a cylinder, and a groove Body, gear, rack, positioning plate, pressure plate, positioning groove, workpiece, handle, connecting rod two, rotating head, screw rod two, movable seat two, connecting seat two and movable plate; the utility model has the advantages of reasonable and simple structure, low production cost Low, easy to install, and complete functions. Here, the screw 2 and screw 1 are driven to rotate through the rotating head first, so that the movable seat 2 and the movable seat 1 move outward at the same time, and then the movable plate is moved through the connecting rod 2 and the connecting rod 1. Loosen the workpiece, and then pull the rack by the handle to drive the gear to rotate, and the rotation of the gear will make the cylinder drive the pressure plate to rotate to a longitudinal position, so that the workpiece can be directly and quickly placed in the positioning groove for compression and clamping.

Description

Clamping device for CNC milling machine

Technical field:

The utility model relates to the technical field of fixtures, in particular to a clamping device for a numerically controlled milling machine.

Background technique:

Today's industrial products are constantly developing towards miniaturization in size and scale, and more and more products (such as medical and dental equipment, mobile phones, notebook computers, aerospace, electronic components, instrumentation parts, etc.) are processed by CNC machine tools , all require cutting tools and tool systems to be more miniaturized or even miniaturized. Of course, the clamping device (i.e. fixture) for these micro parts in the CNC machining process is also more demanding; the clamping device must not only facilitate the simultaneous clamping of several micro The parts are processed, and the workpiece cannot be moved or tilted due to the insecure clamping device during the processing, otherwise the workpiece will be scrapped or defective. In addition, the clamping force must be uniform for miniature workpieces. Otherwise, there will be inconsistent processing quality of the workpiece.

Utility model content:

The purpose of this utility model is to provide a clamping device for a numerically controlled milling machine in order to solve the above problems, which solves the problems of fast clamping of micro-workpieces and uneven clamping force of micro-workpieces.

In order to solve the above problems, the utility model provides a technical solution: a clamping device for a CNC milling machine, including a base and fixing holes, and several fixing holes are arranged on the outside of the base, and its innovative point is that it also includes a guide rail, a screw , Movable seat 1, Connecting seat 1, Connecting rod 1, Screws, Supporting seats, Fixing parts, Cylinders, Grooves, Gears, Racks, Positioning plates, Pressure plates, Positioning grooves, workpieces, handles, Connecting rods 2, Rotating head , Screw 2, movable seat 2, connecting seat 2 and movable plate; the bottom of the support seat is fixedly connected to the base by several screws, and a guide rail is arranged in the center of the support seat; the left side of the guide rail is connected with movable seat 1 on the left and right sides, and the guide rail is above the The left and right sides of the right side are movably connected with movable seat 2; the screw rod 1 is movably connected in the threaded hole on the upper side of the movable seat 1, and several connecting seat 1 are evenly fixedly connected on the top surface of the movable seat 1; the movable seat 2 is movably connected in the threaded hole on the upper side with Screw 2, the top surface of the movable seat 2 is evenly connected with several connecting seats 2; the screw 1 is movably connected to the lower left side inside the support seat, and the right end of the screw 1 is fixedly connected to the left end of the screw 2; the screw 2 is movably connected to the lower right side inside the support seat , the right end of the screw rod two is fixedly connected with a rotating head; the first connecting rod is several, the lower side of the connecting rod is respectively hinged with the upper side of the corresponding connecting seat one, and the upper side of the first connecting rod is evenly connected to the inner left side of the lower side of the movable plate; There are several rods two, the lower sides of the second connecting rod are respectively hinged with the upper side of the corresponding connecting seat two, and the upper sides of the second connecting rod are evenly connected to the inner right side of the lower side of the movable plate; the movable plate is vertically movably connected to the inner side of the support seat There are several cylinders, the lower sides of the cylinders are evenly connected to the movable plate through the fixing parts, the center of the cylinders is vertically connected with gears, and the top of the cylinders is fixedly connected with a pressure plate; the gears are respectively connected with the racks. Connection; the left and right sides of the rack are movably connected inside the upper side of the support seat, and the right end of the rack is fixedly connected with a handle; the positioning plate is fixedly connected to the top of the support seat, and several positioning grooves are uniformly arranged on the positioning plate; the workpiece is fixedly connected in the positioning groove through the pressure plate .

Preferably, screw one is a left-handed screw.

Preferably, the second screw is a right-handed screw.

Preferably, a flat key is provided between the inner circular groove of the gear and the groove body.

Preferably, the bottom surface of the positioning groove and the bottom surface of the base are parallel to each other.

As a preference, a positioning hole is provided on the support base and at its connection with screw one and screw two, and a rotating head installation hole is provided on the support base and at its connection with screw two, and the rotation head installation hole communicates with the positioning hole , the rotating head is set in the mounting hole of the rotating head.

As a preference, a limiting boss for displaying the stroke of the movable plate is formed on the support seat and at the connection between it and the first screw and the second screw.

Preferably, a connection boss is provided on the lower side of the column and at the connection between it and the fixing member.

Preferably, the circumferential direction of the handle is a plurality of arc-shaped convex structures arranged continuously, and the outer surface of the handle is an outward-convex arc-surface structure.

Preferably, the outer surface of the handle is provided with a non-slip nylon layer.

Beneficial effects of the utility model: the utility model has the advantages of reasonable and simple structure, low production cost, convenient installation, and complete functions. Here, the screw rod 2 and the screw rod 1 are driven to rotate by the rotating head first, so that the movable seat 2 and the movable seat 1 are rotated simultaneously. Move to the outside, and then move the movable plate to loosen the workpiece through the second connecting rod and the first connecting rod, and then pull the rack by the handle to drive the gear to rotate, and the rotation of the gear will make the cylinder drive the pressure plate to rotate to a longitudinal position, so that the workpiece can be easily Directly and quickly place it into the positioning groove for compression and clamping. There are several connecting rods 1 and 2 here, so as to ensure the uniformity of force when clamping all micro-workpieces, and improve the quality of micro-workpiece processing. .

Description of drawings:

For ease of illustration, the utility model is described in detail by the following specific implementation and accompanying drawings.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a partial schematic view of the utility model.

1-base; 2-guide rail; 3-screw 1; 4-movable seat 1; 5-connecting seat 1; 6-connecting rod 1; 7-screw; 8-support seat; 11- cylinder; 12- groove; 13- gear; 14- rack; 15- positioning plate; 16- pressure plate; 17- positioning groove; 18- workpiece; 19- handle; Head; 22-screw rod two; 23-movable seat two; 24-connecting seat two; 25-movable plate.

Detailed ways:

As shown in Figures 1 and 2, this specific embodiment adopts the following technical solutions: a clamping device for a CNC milling machine, including a base 1 and fixing holes 9, and several fixing holes 9 are provided on the outside of the base 1, and guide rails 2 are also included , screw one 3, movable seat one 4, connecting seat one 5, connecting rod one 6, screw 7, support seat 8, fixing piece 10, cylinder 11, groove body 12, gear 13, rack 14, positioning plate 15, Pressing plate 16, positioning groove 17, workpiece 18, handle 19, connecting rod 2 20, rotating head 21, screw rod 2 22, movable seat 2 23, connecting seat 2 24 and movable plate 25; the bottom of support seat 8 is fixed by several screws 7 Connected on the base 1, the center of the support seat 8 is provided with a guide rail 2; the upper left side of the guide rail 2 is movably connected with a movable seat 1 4, and the right side of the guide rail 2 is movably connected with a movable seat 2 23; the upper side of the movable seat 4 Screw rod one 3 is movably connected in the threaded hole, and several connection seats one 5 are evenly and fixedly connected on the top surface of the movable seat one 4; Screw rod two 22 are movably connected in the threaded hole on the upper side of the movable seat two 23, and the top surface of the movable seat two 23 There are several connection seats 24 evenly and fixedly connected; the screw rod one 3 is movably connected to the lower left side inside the support seat 8, the right end of the screw rod one 3 is fixedly connected to the left end of the screw rod two 22; the screw rod two 22 is movably connected to the inner right lower side of the support seat 8, and the screw The right end of the second 22 is fixedly connected with a swivel head 21; the connecting rod one 6 is several, the lower sides of the connecting rod one 6 are respectively hinged with the upper side of the corresponding connecting seat one 5, and the upper sides of the connecting rod one 6 are evenly and movably connected under the movable plate 25 respectively The inner left side of the side; two connecting rods 20 are several, the lower sides of the second connecting rods 20 are respectively hinged with the upper sides of the corresponding connecting seat two 24, and the upper sides of the second connecting rods 20 are evenly connected to the inner right side of the lower side of the movable plate 25 respectively; The movable plate 25 is vertically movably connected to the inner upper side of the support seat 8; there are several cylinders 11, and the lower sides of the cylinders 11 are evenly movably connected to the movable plate 25 through the fixing parts 10 respectively, and the center of the cylinder 11 is vertically movably connected. There are gears 13, and the top of the cylinder 11 is fixedly connected with a pressure plate 16; the gears 13 are respectively connected with the racks 14; The plate 15 is fixedly connected to the top of the supporting base 8 , and several positioning grooves 17 are uniformly arranged on the positioning plate 15 ; the workpiece 18 is fixedly connected in the positioning grooves 17 through the pressing plate 16 .

Among them, screw one 3 is a left-handed screw; screw two 22 is a right-handed screw; a flat key is provided between the inner circular groove of the gear 13 and the groove body 12; the bottom surface of the positioning groove 17 and the bottom surface of the base 1 are parallel to each other; And there is a positioning hole at the connection between it and screw one and screw two, and a rotating head installation hole is provided on the support base and at the connection between it and screw two, the rotating head installation hole communicates with the positioning hole, and the rotating head is arranged on the rotating In the mounting hole of the head; on the support seat and at the connection between it and screw one and screw two, a limit boss for showing the stroke of the movable plate is formed; the lower side of the column is located at the connection between it and the fixed piece. The boss; the circumferential direction of the handle is a plurality of arc-shaped convex structures arranged continuously, and the outer surface of the handle is a convex arc-surface structure; the outer surface of the handle is provided with a non-slip nylon layer.

The usage status of the utility model is: the utility model has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions. When in use, the screw rod 22 and the screw rod 3 are first driven by the rotating head 21 to rotate, so that the movable seat 2 23 and movable seat one 4 move to the outside at the same time, then the movable plate 25 is moved up to loosen the workpiece through connecting rod two 20 and connecting rod one 6, and then pull the rack 14 through the handle 19 to drive the gear 13 to rotate, and the rotation of the gear 13 Then the cylinder 11 drives the pressing plate 16 to rotate into a longitudinal position, so that the workpiece 18 can be directly and quickly placed in the positioning groove 17 for compression and clamping. There are several connecting rods 6 and 20 provided here, so that To ensure the uniformity of force when all micro-workpieces are clamped, the quality of micro-workpiece processing is improved.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and description are only illustrations The principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed for protection. The desired protection is defined by the appended claims and their equivalents.

Claims (10)

1. clamping device is used in a kind of CNC milling machine, including base and fixing hole, chassis outer side are provided with several fixing holes, its feature It is：Also include guide rail, screw rod one, sliding seat one, connecting seat one, connecting rod one, screw, support base, fixture, cylinder, cell body, Gear, rack, location-plate, pressing plate, locating slot, workpiece, handle, connecting rod two, swivel head, screw rod two, sliding seat two, connecting seat two And portable plate；Support base bottom is fixedly connected on submounts by several screws, and support base upper central is provided with guide rail；Guide rail Upper left side of face or so is connected with sliding seat one, guide rail upper right or so and is connected with sliding seat two；

Screw rod one is connected with the upside screwed hole of sliding seat one, several connections are uniformly fixedly connected with the top surface of sliding seat one Seat one；Screw rod two is connected with the upside screwed hole of sliding seat two, several companies are uniformly fixedly connected with the top surface of sliding seat two Joint chair two；

Screw rod one is movably connected in lower left side inside support base, and the right-hand member of screw rod one is fixedly connected with the left end of screw rod two；Screw rod two is lived Dynamic to be connected to lower right side inside support base, the right-hand member of screw rod two is fixedly connected with swivel head；

Connecting rod one is several, and the downside of connecting rod one is be hinged with the corresponding upside of connecting seat one respectively, and the upside of connecting rod one is uniformly living respectively It is dynamic to be connected on the left of portable plate lower inner part；Connecting rod two is several, and the downside of connecting rod two is cut with scissors with the corresponding upside of connecting seat two respectively Connect, the upside of connecting rod two is uniformly movably connected on the right side of portable plate lower inner part respectively；

Portable plate is movably connected in support base upper inside vertically；

Cylinder is several, is uniformly movably connected in respectively by fixture above portable plate on the downside of cylinder, cylinder upper central is equal It is vertical to be connected with gear, it has been fixedly connected with pressing plate at the top of cylinder；

Gear is connected with rack respectively；Rack or so is movably connected in support base upper interior, and rack right-hand member is fixedly connected with Handle；

Location-plate is fixedly connected at the top of support base, and several locating slots are uniformly provided with above location-plate；Workpiece is fixed by pressing plate It is connected in locating slot.

2. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：Screw rod one is left-handed spiral shell Bar.

3. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：Screw rod two is dextrorotation spiral shell Bar.

4. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：Fillet of gear groove and cell body Between be provided with flat key.

5. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：Position groove bottom and base Bottom surface between be parallel to each other.

6. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：On support base and it is located at it Positioning hole is provided with the junction of screw rod one, screw rod two, and swivel head is provided with support base and positioned at the junction of itself and screw rod two Mounting hole, swivel head mounting hole are connected with positioning hole, and swivel head is arranged in swivel head mounting hole.

7. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：On support base and it is located at it The positive stop lug boss for the portable plate stroke that seems is formed with the junction of screw rod one, screw rod two.

8. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：The downside of cylinder and it is located at The junction of itself and fixture is provided with connection boss.

9. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：The circumferencial direction of handle is The multiple cambered surface bulge-structures continuously set, the outer surface of handle are the globoidal structure of evagination.

10. clamping device is used in a kind of CNC milling machine according to claim 1, it is characterised in that：The outer surface of handle is set There is anti-skidding nylon layer.