CN209970769U - Clamp for cylindrical workpiece - Google Patents
Clamp for cylindrical workpiece Download PDFInfo
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- CN209970769U CN209970769U CN201920414158.1U CN201920414158U CN209970769U CN 209970769 U CN209970769 U CN 209970769U CN 201920414158 U CN201920414158 U CN 201920414158U CN 209970769 U CN209970769 U CN 209970769U
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Abstract
The utility model relates to a clamp for a cylindrical workpiece, which comprises a clamp mounting bottom plate and two symmetrical clamp arms which are connected on the clamp mounting bottom plate in a sliding way and used for clamping the workpiece; a coupler is fixed at one end head of the clamp mounting base plate through a coupler mounting mechanism; one side of the coupler is sequentially connected with a speed reducer and a servo motor which are used for controlling the clamp arms to move, the other side of the coupler is connected with a ball screw, and the ball screw horizontally penetrates through the two clamp arms and then is fixed at the other end of the clamp mounting base plate; the two clamp arms are in threaded connection with the ball screw, and the rotating directions are opposite to drive the two clamp arms to move in the opposite direction or in the opposite direction along the ball screw; and a guide mechanism for righting the inclined cylindrical workpiece is fixed in the middle of the clamp mounting base plate and between the two clamp arms.
Description
Technical Field
The utility model discloses the mechanical equipment field, concretely relates to anchor clamps of cylindrical work piece.
Background
An automatic mechanical clamp is a novel device developed in the process of mechanical and automatic production. In the modern production process, mechanical clamps are widely applied to automatic production lines, and the development and production of the mechanical clamps become an emerging technology which is rapidly developed in a high-technology field, so that the mechanical energy can be organically combined with mechanization and automation better.
In mechanical and automatic production, cylindrical workpieces with high weight and high surface temperature are often required to be processed, and the fixing and alignment of the products are difficult to achieve by using a simple clamp and a manual clamping method. At present, a combined hydraulic three-jaw chuck is mainly adopted for clamping high-temperature and high-weight cylindrical workpieces, the combined hydraulic three-jaw chuck mainly comprises components such as a disc spring, a tapered roller bearing and a slip, the combined hydraulic three-jaw chuck has high requirements on machining and installation accuracy, once the workpieces are easily damaged due to eccentricity, the installation space of the clamping machine is large, and the combined hydraulic three-jaw chuck is not suitable for accurately clamping small-size cylindrical workpieces.
SUMMERY OF THE UTILITY MODEL
For overcoming current problem and not enough, the utility model aims at providing an anchor clamps of cylindrical work piece, can automatic centre gripping high temperature, the multiple size cylindrical work piece of high weight, the centre gripping is steady and the degree of accuracy is high.
The technical scheme of the utility model as follows:
a clamp for a cylindrical workpiece comprises a clamp mounting base plate and two symmetrical clamp arms which are connected to the clamp mounting base plate in a sliding mode and used for clamping the workpiece; a coupler is fixed at one end head of the clamp mounting base plate through a coupler mounting mechanism; one side of the coupler is sequentially connected with a speed reducer and a servo motor which are used for controlling the clamp arms to move, the other side of the coupler is connected with a ball screw, and the ball screw horizontally penetrates through the two clamp arms and then is fixed at the other end of the clamp mounting base plate; the two clamp arms are in threaded connection with the ball screw, and the rotating directions are opposite to drive the two clamp arms to move in the opposite direction or in the opposite direction along the ball screw; and a guide mechanism for righting the inclined cylindrical workpiece is fixed in the middle of the clamp mounting base plate and between the two clamp arms.
Further, the pilot mechanism comprises a pilot cylinder; the guide cylinder is vertically arranged on the clamp mounting base plate through a cylinder mounting seat, and one end of a piston rod of the guide cylinder is fixedly connected with a guide flat plate which moves along with the piston rod and towards the workpiece.
Furthermore, a pair of material sensors facing the workpiece are fixed at the clamping ends of the two clamp arms, and the material sensors sense the pressure of the workpiece on the material sensors in the clamping process and convert pressure signals into electric signals to be transmitted to an electric control circuit installation relay box arranged on a clamp installation base plate; and the relay box is arranged on the electric control circuit, is electrically connected with the servo motor and the guide mechanism respectively and then is externally connected with a control circuit.
Furthermore, the clamping ends of the two clamp arms are respectively provided with a heat insulation pad made of polytetrafluoroethylene.
Furthermore, a linear rail is arranged on one side surface of the clamp mounting base plate; the fixed end of the clamp arm is connected with the linear rail through a linear rail connecting mechanism.
Further, the ball screw is fixed on the fixture mounting base plate through a screw fixing device, and the screw fixing device is a bearing seat vertically fixed with the fixture mounting bottom.
The utility model discloses following beneficial effect has:
1. the utility model provides a cylindrical workpiece holder can realize automatic centre gripping high temperature, high important cylindrical fixture, and the anchor clamps arm can carry out automatic adjustment according to the work piece size of centre gripping for anchor clamps are applicable to the cylindrical fixture of multiple size, and the setting of leading the cylinder can in time right the slope work piece in the clamping process, improves the degree of accuracy and the security of anchor clamps.
2. The utility model provides a cylindrical workpiece holder's anchor clamps wall inboard is provided with the polytetrafluoroethylene gasket of preventing high temperature, can avoid the direct contact of high temperature work piece and anchor clamps arm in the anchor clamps use, can avoid the work surface to be scraped the flower at the centre gripping in-process simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of fig. 1.
The labels in the figures are:
1. a clamp mounting base plate; 2. a clamp arm; 21. a heat insulating pad; 3. a coupling mounting mechanism; 4. a coupling; 5. a speed reducer; 6. a servo motor; 7. a ball screw; 8. a guide mechanism; 81. a pilot cylinder; 82. a cylinder mounting seat; 83. a correcting flat plate; 9. a material sensor; 10. a relay box is installed on the electric control circuit; 11. a wire track; 12; a wire track connecting mechanism; 13. a lead screw fixing device; 14. and connecting the flanges.
Detailed Description
The invention will be further described with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 2, a clamp for a cylindrical workpiece comprises a clamp mounting base plate 1 and two symmetrical clamp arms 2 which are slidably connected to the clamp mounting base plate 1 and used for clamping the workpiece; a coupler 4 is fixed at one end of the clamp mounting base plate 1 through a coupler mounting mechanism 3; one side of the coupler 4 is sequentially connected with a speed reducer 5 and a servo motor 6 which are used for controlling the clamp arms 2 to move, the other side of the coupler is connected with a ball screw 7, and the ball screw 7 horizontally penetrates through the two clamp arms 2 and then is fixed at the other end of the clamp mounting base plate 1; the two clamp arms 2 are in threaded connection with the ball screw 7, the rotating directions are opposite to drive the two clamp arms 2 to move in opposite directions or in opposite directions along the ball screw 7, the servo motor 6 is started to drive the ball screw 7 to rotate, and the rotating directions of the ball screw 7 and the two clamp arms 2 are opposite, so that the moving directions of the two clamp arms 2 are opposite due to the rotation of the ball screw 7; and a guide mechanism 8 for centering the inclined cylindrical workpiece is fixed in the middle of the clamp mounting base plate 1 and between the two clamp arms 2, and the mounting position of the guide mechanism 8 is staggered with the ball screw 7, so that the movement of the guide mechanism is not influenced.
Further, the pilot mechanism 8 includes a pilot cylinder 81; the guide cylinder 81 is vertically fixed on the fixture mounting base plate 1 through the cylinder mounting seat 82, one end of a piston rod of the guide cylinder 82 is fixedly connected with a guide flat plate 83 which follows the piston rod and moves towards a workpiece, and the guide flat plate 83 mainly moves vertically towards the clamped workpiece under the driving of the guide cylinder in fig. 1.
Furthermore, a pair of material sensors 9 facing the workpiece are fixed at the clamping ends of the two clamp arms 2, and the material sensors 9 sense the pressure of the workpiece on the material sensors 9 in the clamping process and convert pressure signals into electric signals to be transmitted to an electric control circuit installation relay box 10 arranged on the clamp installation base plate 1; the relay box 10 is arranged on the electric control circuit, is respectively and electrically connected with the servo motor 6 and the guide mechanism 8 and then is externally connected with a control circuit, the operation of the material sensor 9, the pilot mechanism 8 and the servo motor 6 can be automatically controlled by regulating and controlling an external control circuit, the servo motor 6 drives the ball screw 7 to rotate, the workpiece is contacted with the material sensor 9 and the material sensor 9 is extruded, so that the material sensor 9 can sense and transmit the pressure value applied to the material sensor in time, when the torque of the servo motor 6 reaches the preset torque extreme value for clamping the workpiece and the pressure sensed by the material sensor 9 reaches the preset pressure extreme value for clamping the workpiece, the clamping of the product is judged to be finished, and the relay box 10 is installed through the electric control circuit to transmit a control signal to an external control circuit, and the external control circuit drives the pilot mechanism 8 to start pilot work through the relay box 10 installed through the electric control circuit.
Furthermore, the clamping ends of the two clamp arms 2 are respectively provided with a heat insulation pad 21 made of polytetrafluoroethylene, so that the influence of a high-temperature cylindrical workpiece on the clamp arms 2 can be avoided, and meanwhile, the surface of the workpiece can be prevented from being scratched.
Further, a linear rail 11 is arranged on one side surface of the clamp mounting base plate 1; the fixed end of the clamp arm 2 is connected with the linear rail 11 through the linear rail connecting mechanism 12, and the clamp arm 2 slides along the linear rail 11 under the driving of the rotation of the ball screw 7.
Further, the ball screw 7 is fixed on the fixture mounting base plate 1 through a screw fixing device 13, and the screw fixing device 13 is a bearing seat vertically fixed with the fixture mounting base plate 1.
The utility model discloses a theory of operation:
when the cylindrical product clamp is used for clamping a cylindrical workpiece, the cylindrical product clamp is connected to an external manipulator through a connecting flange 14 arranged on a clamp mounting base plate, a servo motor 6 is started simultaneously, the servo motor 6 drives a ball screw 7 to rotate through a speed reducer 5 and a coupler 4, the rotation directions of the ball screw 7 and two clamp arms 2 are opposite, the two clamp arms 2 are driven to move oppositely along a linear rail 11, when two material sensors 9 arranged at the clamping ends of the clamp arms 2 contact the workpiece, the workpiece can generate pressure on the material sensors 9, the material sensors 9 can sense and transmit the pressure in time, when the torque of the servo motor 6 reaches a preset torque extreme value for clamping the workpiece and the pressure sensed by the material sensors 9 reaches a preset pressure extreme value for clamping the workpiece, the clamping completion of the product is judged, and a relay box 10 is arranged through an electric control circuit to transmit a control signal to an external control circuit, the external control circuit controls the guide cylinder 81 to start working through the relay box 10 installed on the electric control circuit, the servo motor 6 stops working, the piston rod of the guide cylinder 81 is ejected out to drive the guide plate 82 to correct the verticality of the workpiece, and after correction is completed, the external manipulator works to move the workpiece to a correct position where the workpiece needs to be placed.
The above is to the clamp of a cylindrical workpiece that the embodiment of the present invention provides introduces in detail, to the skilled person in the art, according to the utility model discloses the thought, all have the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.
Claims (6)
1. A clamp for cylindrical workpieces is characterized in that: comprises a clamp mounting base plate (1) and two symmetrical clamp arms (2) which are connected to the clamp mounting base plate (1) in a sliding manner and used for clamping a workpiece; a coupler (4) is fixed at one end of the clamp mounting base plate (1) through a coupler mounting mechanism (3); one side of the coupler (4) is sequentially connected with a speed reducer (5) and a servo motor (6) which are used for controlling the clamp arms (2) to move, the other side of the coupler is connected with a ball screw (7), and the ball screw (7) horizontally penetrates through the two clamp arms (2) and then is fixed at the other end of the clamp mounting base plate (1); the two clamp arms (2) are in threaded connection with the ball screw (7), and the rotating directions are opposite to drive the two clamp arms (2) to move in opposite directions or in the opposite directions along the ball screw (7); and a guide mechanism (8) for righting the inclined cylindrical workpiece is arranged on the clamp mounting base plate (1) and between the two clamp arms (2).
2. A holder for cylindrical workpieces according to claim 1, wherein: the guide mechanism (8) comprises a guide cylinder (81); the guide cylinder (81) is vertically fixed on the fixture mounting base plate (1) through a cylinder mounting seat (82), and one end of a piston rod of the guide cylinder (81) is fixedly connected with a guide flat plate (83) which follows the piston rod and moves towards a workpiece.
3. A holder for cylindrical workpieces according to claim 2, wherein: a pair of material sensors (9) facing the workpiece are fixed at the clamping ends of the two clamp arms (2), and the material sensors (9) sense the pressure of the workpiece on the material sensors (9) in the clamping process and convert pressure signals into electric signals to be transmitted to an electric control circuit installation relay box (10) installed on the clamp installation base plate (1); and the electric control circuit installation relay box (10) is simultaneously and electrically connected with the servo motor (6) and the guide mechanism (8) and then is externally connected with a control circuit.
4. A holder for cylindrical workpieces according to claim 3, wherein: the clamping ends of the two clamp arms (2) are respectively provided with a heat insulation pad (21) made of polytetrafluoroethylene.
5. A holder for cylindrical workpieces according to claim 4, wherein: a linear rail (11) is arranged on one side surface of the clamp mounting base plate (1); the fixed end of the clamp arm (2) is connected with the wire rail (11) through a wire rail connecting mechanism (12).
6. A holder for cylindrical workpieces according to claim 5, wherein: the ball screw (7) is fixed on the clamp mounting base plate through a screw fixing device (13), and the screw fixing device (13) is a bearing seat vertically fixed with the clamp mounting base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414158.1U CN209970769U (en) | 2019-03-29 | 2019-03-29 | Clamp for cylindrical workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414158.1U CN209970769U (en) | 2019-03-29 | 2019-03-29 | Clamp for cylindrical workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209970769U true CN209970769U (en) | 2020-01-21 |
Family
ID=69255966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920414158.1U Active CN209970769U (en) | 2019-03-29 | 2019-03-29 | Clamp for cylindrical workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209970769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438507A (en) * | 2020-04-14 | 2020-07-24 | 中车青岛四方车辆研究所有限公司 | Automatic feeding and discharging device, automatic assembling system and method for retaining ring capsules |
| CN111776304A (en) * | 2020-08-04 | 2020-10-16 | 格力电器（武汉）有限公司 | Cabinet air conditioner vanning device and vanning equipment |
-
2019
- 2019-03-29 CN CN201920414158.1U patent/CN209970769U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438507A (en) * | 2020-04-14 | 2020-07-24 | 中车青岛四方车辆研究所有限公司 | Automatic feeding and discharging device, automatic assembling system and method for retaining ring capsules |
| CN111438507B (en) * | 2020-04-14 | 2021-07-20 | 中车青岛四方车辆研究所有限公司 | Automatic feeding and discharging device, automatic assembling system and method for retaining ring capsules |
| CN111776304A (en) * | 2020-08-04 | 2020-10-16 | 格力电器（武汉）有限公司 | Cabinet air conditioner vanning device and vanning equipment |
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