CN217890243U - Frock clamp convenient to expansion - Google Patents
Frock clamp convenient to expansion Download PDFInfo
- Publication number
- CN217890243U CN217890243U CN202221750234.4U CN202221750234U CN217890243U CN 217890243 U CN217890243 U CN 217890243U CN 202221750234 U CN202221750234 U CN 202221750234U CN 217890243 U CN217890243 U CN 217890243U
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- centre gripping
- fixed frame
- clamping
- clamp convenient
- gripping arm
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model relates to a frock clamp technical field discloses a frock clamp convenient to expansion, including fixed frame, fixed frame outer wall rotates and installs the centre gripping arm, the tip of centre gripping arm is hollow circular cylinder, it has telescopic strut to peg graft at the centre gripping arm tip, telescopic strut's side is rotated and is installed the clamp plate, the installation cavity has been seted up in the fixed frame, horizontal fixed mounting has electric putter in the installation cavity, electric putter's output fixedly connected with catch bar. The utility model discloses a telescopic support pole pegs graft at the tip of centre gripping arm, the whole length of convenient size specification according to the clamping workpiece to the centre gripping arm adjusts, and through the anti-skidding cushion on telescopic support pole side rotation installation clamp plate and clamp plate, the friction between clamp plate and the work piece can be increased to the anti-skidding cushion, improves the fixed effect of centre gripping, also can avoid causing wearing and tearing at the fixed in-process of centre gripping to the surface of work piece, and is comparatively practical, is fit for extensively promoting and using.
Description
Technical Field
The utility model belongs to the technical field of frock clamp, specifically speaking relates to a frock clamp convenient to expansion.
Background
Tooling, namely process equipment: refers to the collective term for the various tools used in the manufacturing process. Including cutter/clamp/mold/gauge/auxiliary/bench tool/station tool, etc. The tool is a general fixture for short, and is a process device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions. That is to say, the tool clamp is an indispensable part for machining, and under the drive that the machine tool technology develops towards high speed, high efficiency, precision, composite, intelligent and environmental protection, the clamp technology is developing towards high precision, high efficiency, module, combination, universality and economy. The clamp is also called a fixture. 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, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece must be assembled before machining in order to enable the surface of the workpiece to meet the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified in a drawing.
However, the existing expanding type tool clamp is complex in structure, not convenient and fast to use, low in flexibility, incapable of adjusting the length of the clamping arm according to the size specification of a workpiece when clamping workpieces of different specifications, and not practical due to the fact that the outer wall of the workpiece is easily abraded due to too large clamping force.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model adopts the following basic concept:
a tool clamp convenient to expand comprises a fixing frame, wherein a clamping arm is rotatably mounted on the outer wall of the fixing frame, the end part of the clamping arm is in a hollow cylindrical shape, a telescopic supporting rod is inserted into the end part of the clamping arm in an inserting mode, and a clamping plate is rotatably mounted on the side surface of the telescopic supporting rod;
the improved clamping device is characterized in that a mounting cavity is formed in the fixing frame, an electric push rod is horizontally and fixedly mounted in the mounting cavity, a push rod is fixedly connected to the output end of the electric push rod, an adjusting seat is fixedly mounted at one end of the push rod, which penetrates through the outer side of the fixing frame, the middle parts of the four sides of the outer wall of the adjusting seat are respectively rotatably mounted with adjusting support rods, and the other ends of the adjusting support rods are respectively connected with the four groups of clamping arms in a rotating manner.
As a preferred embodiment of the present invention, the clamping arms are four groups, the clamping arms are respectively rotatably mounted at the middle portions of the four sides of the fixed frame outer wall.
As a preferred embodiment of the present invention, the outer diameter of the telescopic supporting rod is adapted to the inner diameter of the holding arm.
As an embodiment of the present invention, the clamping arm is provided with a fastening screw, and the fastening screw is screwed to one end of the clamping arm and is fastened to the outer wall of the telescopic supporting rod.
As an preferable embodiment of the present invention, one side of the clamping plate away from the telescopic rod is provided with an anti-slip rubber pad.
As a preferred embodiment of the present invention, the adjusting seat is disc-shaped.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses an electric putter, adjust the seat, the cooperation of adjusting branch and centre gripping arm is used, electric putter drives through the catch bar and adjusts the seat and remove right, adjust the seat at the in-process that removes right, through the adjusting branch at four side middle parts of a left side and a right side about it, can drive four group's centre gripping arms and remove to the outside, open the centre gripping arm, electric putter drives through the catch bar when adjusting the seat and remove left, adjust the seat at the in-process that removes left, through the adjusting branch at four side middle parts of a left side and a right side about it, can drive four group's centre gripping arms and remove to one side of being close to, press from both sides tightly the work piece, convenient expansion and centre gripping, moreover, the steam generator is simple in structure, and convenient for operation.
The utility model discloses a telescopic support rod pegs graft at the tip of centre gripping arm, conveniently adjusts the whole length of centre gripping arm according to the size specification of clamping workpiece, and through the anti-skidding cushion on telescopic support rod side rotation installation clamp plate and clamp plate, the friction between clamp plate and the work piece can be increased to the anti-skidding cushion, improves the fixed effect of centre gripping, also can avoid causing wearing and tearing at the fixed in-process of centre gripping to the surface of work piece.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the fixing frame of the present invention;
FIG. 3 is a schematic side view of the structure of the present invention;
fig. 4 is a schematic view of the connection structure of the telescopic supporting rod and the clamping arm of the present invention.
In the figure: 1-fixing frames; 2-a clamping arm; 3-adjusting the strut; 4-an adjusting seat; 5-fastening screws; 6-telescopic supporting rod; 7-clamping the plate; 8-antiskid rubber mat; 9-a push rod; 10-electric push rod; 11-installation cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 4, a frock clamp convenient to expand, including fixed frame 1, fixed frame 1 outer wall rotates and installs centre gripping arm 2, centre gripping arm 2 has four groups in total, four groups of centre gripping arms 2 rotate respectively and install four sides middle part about fixed frame 1 outer wall, four groups of centre gripping arms 2 can carry out the centre gripping from four sides respectively and fix the work piece, the tip of centre gripping arm 2 is hollow circular cylinder, centre gripping arm 2 tip is pegged graft and is had telescopic strut 6, the external diameter of telescopic strut 6 and the internal diameter looks adaptation of centre gripping arm 2, make things convenient for stretching and shrink of telescopic strut 6, the side of telescopic strut 6 is rotated and is installed pinch grip 7, pinch grip 7 of rotation installation can be when the centre gripping is fixed, better laminating is at the outer wall of work piece, seted up mounting chamber 11 in fixed frame 1, horizontal fixed mounting has electric putter 10 in mounting chamber 11, the output fixedly connected with catch bar 9 of electric putter 10, catch bar 9 runs through the one end fixed mounting in the fixed mounting in fixed frame 1 outside, electric putter 10 can drive regulation seat 4 through catch bar 9 and move about regulation seat 4, regulation seat 4 is discoid, four groups of outer wall all rotate the other ends of regulation arm 3 and the other ends of four groups of clamping arm are connected with the convenient expansion arm 3 through the rotation of four groups of clamp arm 2 respectively and the centre gripping arm.
As shown in fig. 1 to 4, in the present arrangement, a fastening screw 5 is further provided on the clamping arm 2, one end of the fastening screw 5 screwed into the clamping arm 2 abuts against the outer wall of the telescopic strut 6, and the fastening screw 5 can fix the position of the telescopic strut 6.
As shown in fig. 1 to 4, in the present arrangement, further, an anti-slip rubber pad 8 is disposed on a side of the clamping plate 7 away from the telescopic strut 6, and the anti-slip rubber pad 8 can increase friction between the clamping plate 7 and the workpiece, thereby avoiding abrasion to the outer wall of the workpiece.
The implementation principle of the tool clamp convenient for expansion of the embodiment is as follows: the electric push rod 10 drives the adjusting seat 4 to move rightwards through the push rod 9, the adjusting seat 4 can drive the four groups of clamping arms 2 to move outwards through the adjusting support rods 3 in the middle of the upper, lower, left and right sides in the rightwards moving process, the clamping arms 2 are opened, then a workpiece is placed between the four groups of clamping arms, the telescopic support rods 6 are stretched or contracted to proper positions according to the size and specification of the workpiece, the fastening screws 5 are rotated to fix the telescopic support rods 6, then the electric push rod 10 is started, when the electric push rod 10 drives the adjusting seat 4 to move leftwards through the push rod 9, the adjusting seat 4 can drive the four groups of clamping arms 2 to move towards the close side through the adjusting support rods 3 in the middle of the upper, lower, left and right sides in the leftwards moving process, the clamping plates 7 are tightly attached to the outer wall of the workpiece to clamp the workpiece, the workpiece is convenient to expand and clamp, the anti-skid rubber pads 8 on the clamping plates 7 can increase friction between the clamping plates 7 and the workpiece, and abrasion to the outer wall of the workpiece is avoided.
Claims (6)
1. A tool clamp convenient to expand comprises a fixed frame (1) and is characterized in that a clamping arm (2) is rotatably mounted on the outer wall of the fixed frame (1), the end part of the clamping arm (2) is in a hollow cylindrical shape, a telescopic supporting rod (6) is inserted into the end part of the clamping arm (2), and a clamping plate (7) is rotatably mounted on the side surface of the telescopic supporting rod (6);
install installation cavity (11) in fixed frame (1), horizontal fixed mounting has electric putter (10) in installation cavity (11), the output fixedly connected with catch bar (9) of electric putter (10), catch bar (9) run through the one end fixed mounting in fixed frame (1) outside has regulation seat (4), four sides middle part is all rotated about regulation seat (4) outer wall is left and right sides about and is installed and adjust branch (3), four groups the other end of adjusting branch (3) is respectively with four groups centre gripping arm (2) rotate and are connected.
2. A tool clamp convenient for expansion according to claim 1, wherein the clamping arms (2) are provided with four groups, and the four groups of clamping arms (2) are respectively and rotatably arranged at the middle parts of the upper, lower, left and right sides of the outer wall of the fixed frame (1).
3. A tool clamp convenient to expand according to claim 1, wherein the outer diameter of the telescopic strut (6) is matched with the inner diameter of the clamping arm (2).
4. A tool clamp convenient to expand according to claim 1, wherein a fastening screw (5) is arranged on the clamping arm (2), and one end of the fastening screw (5) screwed in the clamping arm (2) abuts against the outer wall of the telescopic supporting rod (6).
5. A tool clamp convenient to expand according to claim 1, wherein one side of the clamping plate (7) far away from the telescopic strut (6) is provided with an anti-skid rubber pad (8).
6. A frock clamp convenient to expand as claimed in claim 1, wherein the adjusting seat (4) is disc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221750234.4U CN217890243U (en) | 2022-07-08 | 2022-07-08 | Frock clamp convenient to expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221750234.4U CN217890243U (en) | 2022-07-08 | 2022-07-08 | Frock clamp convenient to expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217890243U true CN217890243U (en) | 2022-11-25 |
Family
ID=84134574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221750234.4U Active CN217890243U (en) | 2022-07-08 | 2022-07-08 | Frock clamp convenient to expansion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217890243U (en) |
-
2022
- 2022-07-08 CN CN202221750234.4U patent/CN217890243U/en active Active
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