Fixed mechanical fixture for machining
Technical Field
The utility model relates to the technical field of machining, in particular to a fixed mechanical clamp for machining.
Background
Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The processing method can be divided into cutting processing and pressure processing, the common processing mode in the pressure processing is stamping, the stamping processing is that the sheet material directly bears deformation force in a die and deforms by means of the power of conventional or special stamping equipment, so that a product part with a certain shape, size and performance is obtained, and the stamping processing is a metal cold deformation processing method. The method is also one of the main methods of metal plastic working, the punching of some special workpieces, such as a panel with punching holes arranged along the ring shape shown in fig. 1, the fixed punching by using a common punching clamp has uneven clamping force, which is easy to happen, and the finished product rate of the punched parts is low, therefore, the fixed mechanical clamp for machining is provided.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a fixed mechanical fixture for machining, which solves the above problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme: a fixed mechanical fixture for machining comprises a supporting frame, wherein the supporting frame is a main supporting component and is used for supporting other parts in the fixture, a movable clamping plate is connected to the supporting frame in a sliding mode, a positioning round handle is fixedly connected to the movable clamping plate and can apply more uniform clamping force to a workpiece panel, the position of the workpiece panel is guaranteed to be relatively fixed, a main punching hole is formed in the positioning round handle, auxiliary punching holes are formed in the positioning round handle and located on the periphery of the punching hole, the main punching hole and the auxiliary punching holes provide a passing space for punching of a punching head, the movable clamping plate is driven by a telescopic cylinder to move on the supporting frame, a fixed limiting cylinder matched with the positioning round handle is fixedly connected to the supporting frame, the inner diameter of the fixed limiting cylinder is equal to the aperture of the main punching hole, and the fixed limiting cylinder and the positioning round handle jointly clamp the workpiece panel, the fixture is characterized in that auxiliary limiting holes are uniformly formed in the fixed limiting barrel along the annular direction, the support frame is provided with a stamping head, the telescopic cylinder drives the movable clamping plate to be close to the fixed limiting barrel, a workpiece panel is clamped between the positioning round handle and the fixed limiting barrel, the stamping head works, the fixed limiting barrel stamps the workpiece panel, the punched panel is stamped out along the annular arrangement, the clamping force of the fixture is uniform, and the fixture is suitable for forming the punched panel along the annular arrangement.
Preferably, the symmetry is provided with the slide on the carriage, remove splint sliding connection in on the slide, it is the L shaped plate to remove splint, the equal fixedly connected with slider in lower terminal surface four corners department of removing splint, slider sliding connection is on the slide that corresponds, and the diaphragm of L shaped plate is the bottom plate part of removing splint, and slider fixed connection is in diaphragm lower extreme four corners department, and location round handle fixed connection is on the riser of L shaped plate, but the L shaped plate steadily movable on the slide.
Preferably, the lateral part of carriage fixedly connected with backup pad, the telescoping cylinder install in the backup pad, the output of telescoping cylinder with remove splint fixed connection, the setting of backup pad is convenient for the installation of telescoping cylinder, the telescoping cylinder work drives remove splint and remove.
Preferably, be provided with the supporting seat on the carriage, set up half arc-shaped seat groove on the supporting seat, fixed spacing section of thick bamboo fixed connection in the seat groove, half arc-shaped seat groove with fixed spacing section of thick bamboo looks adaptation is suitable for right more fixed spacing section of thick bamboo is fixed, be provided with the pilot pin on the diapire of supporting seat, evenly set up on the slide with the locating hole of pilot pin looks adaptation, through with the pilot pin inserts in the locating hole, can with supporting seat rigidity, thereby guarantee fixed spacing section of thick bamboo rigidity.
Preferably, the carriage includes H shape underframe, the both ends fixedly connected with horizontal support bar of H shape underframe, the last symmetry fixedly connected with vertical support bar of horizontal support bar, the square main frame of fixedly connected with on the vertical support bar, H shape underframe the horizontal support bar with vertical support bar is common right square main frame carries out the outrigger, square main frame is connected with other members on the carriage, and the carriage is overall stable, and is convenient for connect.
Preferably, a cavity is formed in the horizontal support rod, the positioning rod penetrates through the cavity, a pad foot is fixedly connected to the lower end of the positioning rod and is made of rubber, and the support frame integrally has an anti-seismic effect and reduces vibration impact on components on the support frame.
Preferably, the positioning rod is a screw rod, a positioning nut is connected to the positioning rod in a threaded manner and used for fixing the positioning rod, and the positioning rod is fixed to enable the pad feet to be fixed.
Compared with the prior art, the utility model has the beneficial effects that: the workpiece punching device is provided with a supporting frame which is a main supporting component and is used for supporting other parts in a clamp, a movable clamping plate is connected on the supporting frame in a sliding manner, a positioning round handle is fixedly connected on the movable clamping plate and can apply more uniform clamping force to a workpiece panel to ensure that the position of the workpiece panel is relatively fixed, a main punching hole is formed in the positioning round handle, an auxiliary punching hole is formed in the positioning round handle and positioned on the peripheral side of the punching hole, the main punching hole and the auxiliary punching hole provide a space for punching a punching head, the movable clamping plate is driven by a telescopic cylinder to move on the supporting frame, a fixed limiting cylinder matched with the positioning round handle is fixedly connected on the supporting frame, the inner diameter of the fixed limiting cylinder is equal to the diameter of the main punching hole, the workpiece panel is clamped by the fixed limiting cylinder and the positioning round handle together, auxiliary limiting holes are uniformly formed in the annular shape on the fixed limiting cylinder, the punching head is arranged on the supporting frame, the movable clamping plate is driven by the telescopic cylinder to be close to the fixed limiting cylinder, the workpiece panel is clamped between the positioning round handle and the fixed limiting cylinder, the workpiece panel is punched along the fixed limiting cylinder through the punching head, the panel punched along the annular arrangement is punched, and the clamp is even in clamping force and suitable for forming the panel punched along the annular arrangement.
Drawings
FIG. 1 is a panel with punched holes arranged in a circular array;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a partial schematic view of the main structure of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 5 is a side view showing the connection relationship of the movable clamp plate, the positioning round handle and the telescopic cylinder.
In the figure: 1-supporting frame, 101-H-shaped bottom frame, 102-horizontal supporting rod, 103-vertical supporting rod, 104-square main frame, 2-movable clamping plate, 3-positioning round handle, 4-telescopic cylinder, 5-fixed limiting cylinder, 6-auxiliary limiting hole, 7-stamping head, 8-slideway, 9-positioning nut, 10-sliding block, 11-supporting plate, 12-supporting seat, 13-seat groove, 14-positioning bolt, 15-positioning hole, 16-cavity, 17-positioning rod and 18-pad foot.
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.
Referring to fig. 1-5, the present invention provides the following technical solutions: a fixed mechanical fixture for machining comprises a supporting frame 1, wherein the supporting frame 1 is a main supporting component and is used for supporting other parts in the fixture, a movable clamping plate 2 is connected to the supporting frame 1 in a sliding mode, a positioning round handle 3 is fixedly connected to the movable clamping plate 2, the positioning round handle 3 can apply more uniform clamping force to a workpiece panel to ensure that the position of the workpiece panel is relatively fixed, a main punching hole is formed in the positioning round handle 3, auxiliary punching holes are formed in the positioning round handle 3 and located on the periphery of the punching hole, a passing space is provided for punching of a punching head through the main punching hole and the auxiliary punching holes, the movable clamping plate 2 is driven by a telescopic cylinder 4 to move on the supporting frame 1, a fixed limiting cylinder 5 matched with the positioning round handle 3 is fixedly connected to the supporting frame 1, and the inner diameter of the fixed limiting cylinder 5 is equal to the aperture of the main punching hole, fixed spacing section of thick bamboo 5 with the common centre gripping workpiece panel of location round handle 3, evenly seted up vice spacing hole 6 along the annular on the fixed spacing section of thick bamboo 5, set up punching press head 7 on the carriage 1, through telescopic cylinder 4 drive movable clamp plate 2 is close to fixed spacing section of thick bamboo 5, workpiece panel by the centre gripping in location round handle 3 with between the fixed spacing section of thick bamboo 5, through punching press head 7 work is followed fixed spacing section of thick bamboo 5 is to workpiece panel punching press, and the panel that punches a hole is arranged along the annular to the punching press play, and this anchor clamps clamping-force is even, is suitable for the shaping to arrange the panel that punches a hole along the annular.
Particularly, the symmetry is provided with slide 8 on the carriage 1, remove splint 2 sliding connection in on the slide 8, remove splint 2 and be the L shaped plate, the equal fixedly connected with slider 10 in lower terminal surface four corners department of removing splint 2, slider 10 sliding connection is on the slide 8 that corresponds, and the diaphragm of L shaped plate is the bottom plate part of removing splint 2, and slider 10 fixed connection is in diaphragm lower extreme four corners department, and 3 fixed connection of location round handle are on the riser of L shaped plate, but L shaped plate steady removal on slide 8.
Particularly, the lateral part fixedly connected with backup pad 11 of carriage 1, the telescoping cylinder 4 install in on the backup pad 11, the output of telescoping cylinder 4 with movable clamp plate 2 fixed connection, the setting of backup pad 11 is convenient for the installation of telescoping cylinder 4, the work of telescoping cylinder 4 drives movable clamp plate 2 removes.
Particularly, be provided with supporting seat 12 on the carriage 1, half arc-shaped seat groove 13 has been seted up on the supporting seat 12, fixed spacing section of thick bamboo 5 fixed connection in the seat groove 13, half arc-shaped seat groove 13 with fixed spacing section of thick bamboo 5 looks adaptation is suitable for right more fixed spacing section of thick bamboo 5 is fixed, be provided with the pilot pin 14 on the diapire of supporting seat 12, evenly set up on the slide 8 with the locating hole 15 of pilot pin 14 looks adaptation, through will in the pilot pin 14 inserts the locating hole 15, can with supporting seat 12 rigidity, thereby guarantee fixed spacing section of thick bamboo 5 rigidity.
Particularly, carriage 1 includes H shape underframe 101, H shape underframe 101's both ends fixed connection has horizontal support bar 102, symmetry fixedly connected with vertical support bar 103 on the horizontal support bar 102, the square main frame 104 of fixedly connected with on the vertical support bar 103, H shape underframe 101 horizontal support bar 102 with vertical support bar 103 is common right square main frame 104 carries out the stable stay, square main frame 104 is connected with other components on the carriage 1, and carriage 1 is whole stable, and is convenient for connect.
Specifically, a cavity 16 is formed in the horizontal support rod 102, a positioning rod 17 penetrates through the cavity 16, a pad 18 is fixedly connected to the lower end of the positioning rod 17, the pad 18 is a rubber pad, and the rubber pad enables the whole support frame 1 to have an anti-seismic effect, so that the vibration impact on the upper component is reduced.
Specifically, the positioning rod 17 is a screw rod, a positioning nut 9 is connected to the positioning rod 17 through threads, the positioning nut 9 is used for fixing the positioning rod 17, and the positioning rod 17 is fixed so that the pad 18 is fixed.
The working principle is as follows: the support frame 1 is arranged, the support frame 1 is a main support component and is used for supporting other parts in a clamp, a movable clamping plate 2 is connected on the support frame 1 in a sliding manner, a positioning round handle 3 is fixedly connected on the movable clamping plate 2, the positioning round handle 3 can apply more uniform clamping force to a workpiece panel to ensure that the position of the workpiece panel is relatively fixed, a main punching hole is formed in the positioning round handle 3, an auxiliary punching hole is formed in the positioning round handle 3 and positioned on the periphery of the punching hole, the main punching hole and the auxiliary punching hole provide a passing space for punching of a punching head, the movable clamping plate 2 is driven by a telescopic cylinder 4 to move on the support frame 1, a fixed limiting cylinder 5 matched with the positioning round handle 3 for use is fixedly connected on the support frame 1, the inner diameter of the fixed limiting cylinder 5 is equal to the aperture of the main punching hole, the fixed limiting cylinder 5 and the positioning round handle 3 clamp the workpiece panel together, and auxiliary limiting holes 6 are uniformly formed in the fixed limiting cylinder 5 along the annular shape, set up punching press head 7 on the carriage 1, move splint 2 through 4 drives of telescoping cylinder and be close to fixed spacing section of thick bamboo 5, the work piece panel is by the centre gripping between location round handle 3 and fixed spacing section of thick bamboo 5, through punching press head 7 work, along fixed spacing section of thick bamboo 5 to the punching press of work piece panel, the panel that punches a hole is arranged along the annular to the punching press play, and this anchor clamps clamping-force is even, is suitable for the shaping to arrange the panel that punches a hole along the annular.
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 utility model, the scope of which is defined in the appended claims and their equivalents.