CN210282061U - Tolerance bottom plate binding clasp - Google Patents

Abstract

The utility model discloses a tolerance bottom plate clamp, relating to the technical field of processing equipment; the device comprises a cylinder body assembly, a connecting rod mechanism and an induction system, wherein the connecting rod mechanism penetrates through the cylinder body assembly; the connecting rod mechanism comprises a curve connecting rod mechanism and a hook arranged at one end of the curve connecting rod mechanism, the hook penetrates through the upper end of the cylinder body assembly, the hook penetrates through a first through hole in a supporting block fixedly arranged on the cylinder body assembly, the hook and the supporting block are matched to clamp and open, and two groups of gaskets are respectively arranged at the left end and the right end between the supporting block and an A cover plate of the cylinder body assembly; the induction system comprises an induction block fixedly arranged on the curve link mechanism and a sensor arranged on the cylinder body assembly. The novel bottom plate clamp has a plate thickness compensation function, and can clamp different plate thicknesses within a certain range.

Description

Tolerance bottom plate binding clasp

Technical Field

The utility model relates to a processing equipment technical field specifically is a tolerance bottom plate binding clasp.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining. Various clampers are required for machining, and a bottom plate clamper is one of them.

The bottom plate clamping device is a high-performance air cylinder and is mainly applied to the bottom plate assembly process of vehicle parts. Patent application No.: CN206998154U, patent name: a high-performance floor clamp can only clamp one plate thickness, and cannot be used according to the requirement of collinearity of a plurality of vehicle types on site. The output force of the bottom plate clamping device is small, and the bottom plate clamping device is an instant output force and cannot provide a constant force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tolerance bottom plate binding clasp 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:

a tolerance bottom plate clamping device comprises a cylinder body assembly, an induction system and a connecting rod mechanism which penetrates through the cylinder body assembly; the cylinder body component is characterized in that the connecting rod mechanism comprises a curve connecting rod mechanism and a hook arranged at one end of the curve connecting rod mechanism, the hook penetrates through the upper end of the cylinder body component, the hook penetrates through a first through hole in a supporting block fixedly arranged on the cylinder body component, and the hook and the supporting block are matched to clamp and open; the induction system comprises an induction block fixedly arranged on the curve connecting rod mechanism and a sensor arranged on the cylinder body assembly, wherein the bottom of the cylinder body assembly is provided with a cylinder for providing power for the connecting rod mechanism, and the cylinder is provided with a self-locking mechanism.

As a further aspect of the present invention: and the curve connecting rod mechanism is rotatably arranged on a pin B on the cylinder body assembly.

As a further aspect of the present invention: the cylinder body assembly comprises a supporting block, a shell and an A cover plate arranged at the upper end of the shell.

As a further aspect of the present invention: and the left end and the right end between the supporting block and the cover plate A of the cylinder body assembly are respectively provided with two groups of gaskets.

As a further aspect of the present invention: the curve link mechanism comprises a right-angle connecting block, a fork-shaped connecting piece and a fork-shaped piece which are connected in sequence, and the right-angle connecting block is rotatably installed on the shell through a B pin.

As a further aspect of the present invention: the middle of the hook is provided with a crescent groove, a cylinder sleeve is arranged in the crescent groove, the pin A penetrates through the cylinder sleeve to be connected with the shell, and a cushion block is arranged between the hook and the shell.

As a further aspect of the present invention: the cylinder is including installing the upper cover on the shell, installing the band steel on the upper cover and installing the lower cover in the band steel bottom, the inside slip of band steel is provided with the piston, install the piston rod on the piston, the piston rod passes through the through-hole setting of upper cover, and with the forked member fixed connection on the link mechanism.

As a further aspect of the present invention: and a pneumatic self-locking mechanism is arranged in the lower cover.

As a further aspect of the present invention: the pneumatic self-locking mechanism comprises a valve end cover, a valve core and a valve cover, and the valve end cover is fixedly arranged in a third through hole in the lower cover through threads; a boss for mounting a spring is arranged at one end of the valve end cover in the cavity, and a ball is fixedly arranged at one end, far away from the boss, of the spring; the valve cover is connected with the other end of the third through hole of the lower cover through threads, a fourth through hole used for containing the valve element is arranged in the center of the valve cover, one end, away from the fourth through hole, of the valve element is abutted to the ball, the third through hole is divided into a cavity B and a cavity A, the valve end cover, the spring and the ball are arranged, the valve element and the valve cover are arranged in the cavity B, the cavity A is communicated with the bottom of the flat steel through a gas circuit C on the lower cover, the cavity B is divided into a left cavity and a right cavity through a protrusion on the valve element, the cavity A on the left is communicated with a gas hole C on the outer surface of the lower cover, the gas circuit A on the cavity on the right is communicated with a gas hole on the outer surface of the lower cover, and the gas hole A is communicated.

As a further aspect of the present invention: the sensing system comprises a sensing block arranged on the side surface of the fork-shaped piece, a sensor bracket arranged on the shell and a sensor arranged on the sensor bracket.

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

1. the hook is pushed to move through the curve connecting rod driving mechanism, a constant torque can be generated within a certain distance range, and a workpiece is guaranteed to be reliably clamped;

2. the thickness of the clamping plate can be changed within a certain range, and the clamp is particularly suitable for collinear places of multiple vehicle types;

3. the clamping terminal has a pneumatic self-locking function, and effective clamping can be guaranteed under the condition of gas failure;

4. the induction part is integrated inside the cylinder body assembly, the anti-interference capability is strong, the information detection is accurate and reliable, and the induction part is particularly suitable for an automation line with high requirements.

Drawings

Figure 1 is a perspective view of a tolerance floor clamp.

Figure 2 is a cross-sectional view of the tolerance floor clamp.

Figure 3 is a cross-sectional view of the cylinder assembly in the tolerance floor clamp.

Figure 4 is a front and right side view of the cylinder assembly in the tolerance floor clamp.

Fig. 5 is a sectional view taken along line a-a in fig. 4.

Figure 6 is a perspective view of the linkage mechanism in the tolerance floor clamp.

Figure 7 is an exploded view of the linkage mechanism in the tolerance floor clamp.

Figure 8 is a perspective view of a sensor assembly in the tolerance floor clamp.

In the figure: a shell-1, a cover plate A-2, a supporting block-3, a pin-4, a gasket-5, a reinforcing sheet-6, an upper cover-7, a dustproof ring-8, a sealing ring A-9, flat steel-10, a lower cover-11, a limiting block-12, a sealing ring B-13, a cover plate B-14, a copper bush-15, a dustproof plate-16, a valve end cover-17, a spring-18, a ball-19, a valve core-20, a valve cover-21, a sealing ring C-22, a sealing ring D-23, a sealing ring E-24, an air passage A-25, an air passage B-26, an air passage C-27, an air passage D-28, an air passage E-29, an air hole A-30, an air hole C-31, a hook-32, a cushion block-33, a pin-34, a reinforcing sheet, The device comprises a cylinder sleeve-35, a connecting block-36, a copper bushing-37, a steel sleeve-38, a long pin-39, a B pin-40, a cushion block-41, a forked connecting piece-42, a right-angle forked piece-43, a forked piece-44, a sensing block-45, a piston rod-46, an F sealing ring-47, a piston-48, a piston sleeve-49, a nut-50, a sensor bracket-51, a sensor-52, a right cavity-53, a left cavity-54, an A cavity-55, a cylinder body assembly-100, a link mechanism-200 and a sensing system-300.

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.

Example 1

Referring to fig. 1 to 8, in embodiment 1 of the present invention, a tolerance bottom plate clamp includes a cylinder assembly 100, a link mechanism 200 penetrating the cylinder assembly 100, and an induction system 300; the link mechanism 200 includes a curved link mechanism and a hook 32 disposed at one end of the curved link mechanism, the hook 32 is disposed through the upper end of the cylinder block assembly 100, the hook 32 is disposed through a first through hole of a holder 3 fixedly disposed on the cylinder block assembly 100, and the hook and the holder cooperate to achieve clamping and opening, and the sensing system 300 includes a sensing block 45 fixedly disposed on the curved link mechanism and a sensor 52 (refer to manufacturers: Turke, model: Ni2-Q9,5-AP6-0,2-FS4,4X3/S304) disposed on the cylinder block assembly 100, thereby feeding back the cylinder state.

The curved link mechanism is rotatably disposed on the B pin 40 on the cylinder block assembly 100.

The other end of the curved linkage is connected to the piston 48 on the cylinder assembly 100.

The hook is pushed to move by the curve connecting rod driving mechanism, a constant torque can be generated within a certain distance range, and the workpiece is guaranteed to be reliably clamped.

The cylinder body assembly 100 comprises a supporting block 3, a shell 1, a cover plate A arranged at the upper end of the shell, a pin 4, an upper cover 7 arranged at the lower part of the shell 1, a flat steel 10 and a lower cover 11. Wherein shell 1 is divided into two halves about, shell 1 adopts high strength aluminum alloy material, can be applied to the abominable place of environment.

The upper end of the shell 1 is provided with an A cover plate 2, the upper end of the A cover plate 2 is provided with a supporting block 3, two groups of gaskets 5 are respectively arranged at the left end and the right end between the supporting block 3 and the A cover plate 2 and used for adjusting the height of the supporting block 3, and a pin 4 penetrates through a first through clamp between the shell 1 and the supporting block 3 and is fixedly connected with the shell 1. The pin 4 and the support block 3 are in non-standard design, and the diameter of the pin 4 and the height of the support block 3 can be set according to the use condition.

A dustproof ring 8 and a sealing ring A9 are arranged inside the second through hole, a copper bush 15 is arranged in a third through hole in the middle of the shell 1 and is used for being matched with a pin B40, a reinforcing plate 6 is arranged at the upper right corner of the shell 1 and is used for being matched with a steel sleeve 38 to realize clamping, and a cover plate B14 is arranged at the lower left corner of the shell 1 and is used for cleaning impurities in the cylinder body; the left end and the right end of the shell 1 are both provided with dust shields 16 for protecting the internal structure in the shell.

Example 2

Referring to fig. 2, 6 and 7, the curved link mechanism includes a right-angle joint block 43, a joint block 36, a forked link 42, and a forked member 44, which are connected in sequence.

One end of the piston rod 46 is connected with the bottom of the fork-shaped piece 44 through threads, one end of the fork-shaped connecting piece 42 is arranged in a groove of the fork-shaped piece 44, the long pin 39 sequentially penetrates through holes in the fork-shaped piece 44 and the fork-shaped connecting piece 42 and is fixed through a set screw to prevent rotation, two ends of the long pin 39 are respectively provided with a steel sleeve 38, and a right cavity 53 is embedded in the steel sleeve 38. The two ends of the connecting block 36 are respectively provided with a through hole, a copper bush 37 is arranged in the through hole, one end of the connecting block 36 is arranged in a groove at the other end of the forked connecting piece 42 and is connected in a penetrating way through a long pin 39 and is fastened through a set screw to prevent rotation, the two ends of the long pin 39 are respectively provided with a steel sleeve 38, and a right cavity 53 is embedded in the steel sleeve 38. Four steel sleeves 38 are arranged in U-shaped grooves in the shell 1 and can move up and down. The other end of the connecting block 36 is arranged in a groove on one side of the right-angle fork-shaped piece 43 and is connected through a short pin, and two ends of the short pin are provided with clamp springs for fixing. The right-angle fork-shaped piece 43 is provided with three through holes, two copper bushings are arranged in the middle through hole, the B pin 40 penetrates through the copper bushings to be connected with the shell 1 and is fixed by a clamp spring, and a cushion block 41 is arranged between the shell 1 and the right-angle fork-shaped piece 43 respectively to prevent the right-angle fork-shaped piece 43 from moving. One end of the hook 32 is arranged in a groove on the other side of the right-angle fork-shaped piece 43 and is penetrated and connected through the long B pin 40, two ends of the long B pin 40 are respectively provided with a steel sleeve 38, a right cavity 53 is embedded in the steel sleeve 38, and the steel sleeve 38 is arranged in a U-shaped groove in the middle of the shell 1 and can move up and down in the U-shaped groove. A crescent groove is arranged in the middle of the hook 32, a cylinder sleeve 35 is arranged in the crescent groove, the A pin 34 penetrates through the cylinder sleeve 35 and is finally connected with the shell 1, and a cushion block 33 is arranged between the hook 32 and the shell 1 to prevent the hook from shifting left and right. In addition, a sensing block 45 is welded on the side surface of the fork-shaped part 44 and used for feeding back the state of the cylinder in cooperation with the sensor 52.

The cylinder body assembly 100 is provided with a cylinder at the bottom thereof for providing power for the link mechanism 200, and the cylinder comprises an upper cover 7 arranged on the housing 1, a flat steel 10 arranged on the upper cover 7 and a lower cover 11 arranged at the bottom of the flat steel 10. A piston 48 is slidably arranged inside the flat steel 10, a piston rod 46 is mounted on the piston 48, and the piston rod 46 is arranged through a through hole in the upper cover 7 and is fixedly connected with the fork 44 on the link mechanism 200.

One end of the piston rod 46 passes through a central hole of the piston 48, the piston 48 is fastened by a nut 50, and an F-shaped sealing ring 47 is arranged in the central hole of the piston 48, so that air leakage can be prevented. The periphery of the piston 48 is provided with a piston sleeve 49, the inner wall of the piston sleeve 49 is matched with the peripheral outline of the piston 48, and the periphery of the piston sleeve 49 is matched with the inner wall of the flat steel 10, so that the sealing effect can be achieved. One end of the flat steel 10 is clamped into a boss on the upper cover 7, and a B sealing ring 13 is arranged at the butt joint position to prevent air leakage. In addition, the middle part of the lower cover 11 is provided with a limit block 12.

A pneumatic self-locking mechanism is arranged in the lower cover 11, and with reference to fig. 5, the pneumatic self-locking mechanism comprises a valve end cover 17, a valve core 20 and a valve cover 21, the valve end cover 17 is fixedly arranged in a third through hole in the lower cover 11 through threads, and a C sealing ring 22 is arranged at the joint surface of the valve end cover 17 and the lower cover 11 to prevent air leakage; a boss for mounting the spring 18 is arranged at one end of the valve end cover 17 in the cavity, a round ball 19 is fixedly arranged at one end, far away from the boss, of the spring 18, and the round ball 19 is a rubber ball and has a sealing effect. The valve cover 21 is connected with the other end of the third through hole of the lower cover 11 through a thread, and a C-shaped sealing ring 22 is arranged at the interface of the lower cover 11, so that air leakage is prevented. The center of the valve cover 21 is provided with a fourth through hole for accommodating the valve core 20, and an E sealing ring 24 is arranged in the fourth through hole to prevent air leakage. The valve core 20 is far away from the end of the fourth through hole and butts against the round ball 19, a D sealing ring 23 is arranged at the center of the valve core 20 to prevent air leakage, the third through hole is divided into a cavity B and a cavity A55, the valve end cover 17, the spring 18 and the round ball 19 are arranged in the cavity 55, the valve core 20 and the valve cover 21 are arranged in the cavity B, the cavity A55 is communicated with the bottom of the flat steel 10 through a gas channel C27 on the lower cover 11, the cavity B is divided into a left cavity 54 and a right cavity 53 through a bulge on the valve core 20, the left cavity 54 is provided with a gas channel C31 communicated with the outer surface of the lower cover 11, the gas channel A25 on the right cavity 53 is communicated with a gas hole 30 on the outer surface of the lower cover 11, and the gas channel A30 is communicated with the upper portion of the flat steel 10 through a gas channel D.

Referring to fig. 8, the sensing system 300 includes a sensor bracket 51 and a sensor 52, wherein the sensor 52 is fixed on the outer side of the bracket by screws, and two sensing heads of the sensor pass through the sensor bracket 51 and are fixed on the upper and lower ends of the bracket by screws for sensing the clamping and opening states of the cylinder.

The utility model discloses a theory of operation is:

pneumatic clamping: when compressed air enters the B air passage 26 from the C air hole 31, the valve core 20 moves to the rightmost side, the ball 19 is pushed to move leftwards, the compressed air enters the C air passage 27, then enters the lower cavity of the cylinder to push the piston to move upwards, and the compressed air in the upper cavity of the piston is discharged from the air hole 30 along the E air passage 29 and the D air passage 28; the connecting rod mechanism moves upwards under the driving of the piston, the right-angle fork-shaped piece 43 takes the long B pin 40 as a rotating point, the steel sleeves 38 at two ends of the fork-shaped connecting piece 42 and the fork-shaped piece 44 take the U-shaped groove at the right end of the shell 1 as a motion track, the steel sleeves 38 at two ends of the right-angle fork-shaped piece 43 take the U-shaped groove at the middle part of the shell 1 as a motion track, the crescent groove in the hook 32 runs by taking the A pin 34 as a fulcrum, when the steel sleeves 38 at two ends of the fork-shaped connecting piece 42 run to the upper end to be in contact with the arc surface of the reinforcing sheet 6, the air cylinder enters a clamping state at the moment, constant clamping force can be provided in the arc surface range, the air cylinder is suitable for different clamping plate thicknesses, the hook 32 moves downwards under the driving of. At this time, the upper sensing head of the sensor 52 senses the sensing block 45 and outputs a clamping signal. When the air cylinder reaches the clamping state, the air hole 31 stops supplying air, the round ball 19 reaches the rightmost end under the action of the elastic force of the spring 18 and is tightly attached to the air hole to reach the sealing state, and compressed air in the lower cavity of the air cylinder cannot be discharged to reach the pressure maintaining state.

Pneumatic opening: when compressed air is divided into two paths from the lower cover air hole 30, one path enters the air path 25, the valve core 20 is pushed to move left, the valve core pushes the ball 19 to move left and compress the spring 18, and air in the lower cavity of the air cylinder enters the B air path 26 from the C air path 27 and is finally discharged through the air hole 31; the other path of air enters a D air path 28, enters an upper cavity of the cylinder through an E air path 29, pushes the piston to move downwards, enables the hook to move downwards under the action of the connecting rod mechanism, finally a nut at the bottom of the piston is in contact with the limiting block 12, the hook 32 is completely opened and is placed in the groove of the pin 4 at the moment, the limiting block 12 is in a non-standard design, and the moving stroke of the piston can be changed by changing the height of the limiting block 12, so that the moving track of the hook 32 is changed, and the optimal state is achieved. At this time, the sensing head below the sensor 52 senses the sensing block 45 and outputs an on signal.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A tolerance soleplate clamp comprises a cylinder body assembly (100), an induction system (300) and a connecting rod mechanism (200) which penetrates through the cylinder body assembly (100); the cylinder assembly is characterized in that the link mechanism (200) comprises a curve link mechanism and a hook (32) arranged at one end of the curve link mechanism, the hook (32) penetrates through the upper end of the cylinder assembly (100), the hook (32) penetrates through a first through hole in a supporting block (3) fixedly arranged on the cylinder assembly (100), and the hook and the supporting block are matched to realize clamping and opening; the induction system (300) comprises an induction block (45) fixedly arranged on the curve link mechanism and a sensor (52) arranged on the cylinder body assembly (100), wherein an air cylinder for providing power for the link mechanism (200) is arranged at the bottom of the cylinder body assembly (100), and a self-locking mechanism is arranged on the air cylinder.

2. The tolerance floor clamp of claim 1, wherein the curvilinear linkage is rotationally disposed on a B-pin (40) on the cylinder assembly (100).

3. The tolerance floor clamp of claim 2, wherein the cylinder assembly (100) comprises a pallet (3), a housing (1) and an a-plate (2) disposed at an upper end of the housing.

4. The tolerance floor clamp of claim 3, wherein two sets of shims (5) are provided at each of the left and right ends between the pallet (3) and the A-deck (2) of the cylinder assembly (100).

5. The tolerance floor clamp of claim 3, characterized in that the curvilinear linkage comprises a right-angle connecting block (43), a connecting block (36), a forked connecting piece (42) and a fork (44) connected in sequence, the right-angle connecting block (43) being rotatably mounted on the housing (1) by means of a B-pin (40).

6. The tolerance floor clamp according to claim 4, characterized in that a crescent slot is provided in the middle of the hook (32), a cylinder sleeve (35) is provided in the crescent slot, the A pin (34) passes through the cylinder sleeve (35) to connect to the housing (1), and a spacer (33) is provided between the hook (32) and the housing (1).

7. The allowance floor clamp according to any one of claims 1-6, characterized in that the cylinder comprises an upper cover (7) mounted on the housing (1), a flat steel (10) mounted on the upper cover (7) and a lower cover (11) mounted at the bottom of the flat steel (10), a piston (48) is slidably arranged in the flat steel (10), a piston rod (46) is mounted on the piston (48), and the piston rod (46) is arranged through a through hole on the upper cover (7) and fixedly connected with a fork (44) on the link mechanism (200).

8. The tolerance floor clamp of claim 7, wherein a pneumatic self-locking mechanism is provided in the lower cover (11).

9. The allowance floor clamp of claim 8, characterized in that the pneumatic self-locking mechanism comprises a valve end cover (17), a valve core (20) and a valve cover (21), wherein the valve end cover (17) is fixedly arranged in a third through hole on the lower cover (11) through threads; a boss for mounting a spring (18) is arranged at one end of the valve end cover (17) in the cavity, and a round ball (19) is fixedly arranged at one end, far away from the boss, of the spring (18); the valve cover (21) is connected with the other end of a third through hole of the lower cover (11) through threads, a fourth through hole for accommodating the valve core (20) is formed in the center of the valve cover (21), one end, far away from the fourth through hole, of the valve core (20) abuts against the spherical ball (19), the third through hole is divided into a cavity B and a cavity A (55), the valve end cover (17), the spring (18) and the spherical ball (19) are arranged in the cavity A (55), the valve core (20) and the valve cover (21) are arranged in the cavity B, the cavity A (55) is communicated with the bottom of the flat steel (10) through a C air passage (27) in the lower cover (11), the cavity B is divided into a left cavity (54) and a right cavity (53) through a protrusion in the valve core (20), the left cavity (54) is communicated with a C air hole (31) in the outer surface of the lower cover (11), and an air passage A (25) in the right cavity (53) is communicated with an air hole (30) in the outer surface, and the air hole A (30) is communicated with the upper part of the flat steel (10) through an air passage D (28) on the flat steel (10) and an air passage E (29) on the upper cover (7).

10. The tolerance floor clamp of claim 5, wherein the sensing system (300) comprises a sensing block (45) mounted on the side of the fork (44), a sensor bracket (51) mounted on the housing (1), and a sensor (52) mounted on the sensor bracket (51).

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