Clamping jaw quick-changing device

Abstract

The utility model discloses a clamping jaw quick-changing device, which relates to the technical field of clamping jaw remodeling, and comprises a driving part, a connecting block and a clamping jaw which are sequentially connected, and further comprises a lock catch and a connecting piece, the lock catch is movably connected in the connecting block, a locking bulge is arranged on the lock catch, one end of the connecting piece is fixed with the clamping jaw, the other end of the connecting piece is sleeved in the connecting block, and the connecting piece is connected with the clamping jaw. A locking groove is formed in the connecting piece, and the clamping jaw is locked and fixed to the connecting block through matched connection of the locking protrusion and the locking groove. According to the clamping jaw quick-changing device, the clamping jaw can be quickly changed, the structure is simple, operation is convenient and fast, manual operation time and equipment standby time are shortened, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of jaw changeover, in particular to a quick jaw changing device. Background Art

[0002] Quick changeover is an important means for modern manufacturing enterprises to improve production flexibility and response speed. In the era of increasingly diversified products, due to different product types, different products need to use different models of jaws. In the prior art, when changing the jaws, it is necessary to frequently disassemble and install the screws for locking the jaws. Repeated manual disassembly and replacement will result in a long standby time of the machine tool, which has a great impact on the overall operation efficiency. Therefore, a quick and reliable changeover method is needed to reduce the manual operation time and equipment standby time. For this reason, we propose a quick jaw changing device. Summary of the Utility Model

[0003] In view of the above-mentioned deficiencies existing currently, the utility model provides a quick jaw changing device, which can quickly replace the jaws, has a simple structure, is convenient to operate, reduces the manual operation time and equipment standby time, and improves the production efficiency.

[0004] To achieve the above object, the embodiments of the utility model adopt the following technical solutions:

[0005] A quick jaw changing device includes a driving component, a connecting block, and a jaw, which are connected in sequence. It further includes a lock and a connecting piece. The lock is movably connected in the connecting block, and the lock is provided with a locking protrusion. One end of the connecting piece is fixed to the jaw, and the other end is sleeved in the connecting block. The connecting piece is provided with a locking groove. Through the cooperation connection of the locking protrusion and the locking groove, the jaw is locked and fixed on the connecting block.

[0006] According to one aspect of the utility model, an activity cavity and a connecting hole are provided in the connecting block, and the two are communicated. The lock is movably connected in the activity cavity, and one end of the connecting piece is inserted into the connecting hole.

[0007] According to one aspect of the utility model, one end of the lock is sleeved in the activity cavity and the other end extends out of the connecting block, and the lock can be telescoped in the activity cavity.

[0008] According to one aspect of the utility model, one end of the lock is threadedly connected in the activity cavity and the other end extends out of the connecting block, and the lock can be screwed into or out of the connecting block.

[0009] According to one aspect of the utility model, the connecting piece, the connecting hole, the activity cavity, and the locking protrusion are all columnar, and the locking groove is an annular groove.

[0010] According to one aspect of the present utility model, the latch includes a head and a connecting shaft portion, which are fixed. The head extends out of the connecting block, and the connecting shaft portion is connected in the movable cavity.

[0011] According to one aspect of the present utility model, the connecting shaft portion includes a locking protrusion and a release shaft body, which are fixed. The release shaft body is fixed to the head, and the diameter of the locking protrusion is greater than the diameter of the release shaft body.

[0012] According to one aspect of the present utility model, the connecting shaft portion is in the shape of a stepped shaft.

[0013] According to one aspect of the present utility model, the driving component is a cylinder, which includes a cylinder block seat and a slider, and the slider is slidably connected in the cylinder block seat.

[0014] According to one aspect of the present utility model, the connecting block is a rectangular block, and the connecting block is fixed to the slider through a pin.

[0015] Advantages of the implementation of the present utility model: By the cooperation connection between the locking protrusion and the locking groove, the clamping jaw is locked and fixed on the connecting block. When the cooperation between the locking protrusion and the locking groove is cancelled (such as pressing the latch), the clamping jaw can be easily removed for type change; In this way, the device can quickly replace the clamping jaw, the operation is simple and convenient, the manual operation time and the equipment standby time are reduced, the production efficiency is improved, and at the same time, the overall structure is simple, easy to disassemble, assemble, manufacture and process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is the front view structural schematic diagram of the present utility model;

[0018] Figure 2 It is the left view structural schematic diagram of the present utility model;

[0019] Figure 3 It is the sectional view structural schematic diagram of the present utility model;

[0020] Figure 4 It is the partial structural schematic diagram of the present utility model.

[0021] The names corresponding to the serial numbers in the figure are as follows:

[0022] 1. Driving component; 11. Cylinder block seat; 12. Slide block; 13. Tooth-shaped groove; 2. Connecting block; 21. Connecting hole; 3. Lock; 31. Locking protrusion; 32. Head; 4. Connecting piece; 41. Locking groove; 5. Jaw; 6. Screw. Detailed implementation mode

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1

[0025] As Figures 1-4 shown, a jaw quick-change device can be used as a special machine or connected to any existing automated assembly machine; this jaw quick-change device includes a driving component 1, a connecting block 2, a lock 3, a connecting piece 4, and a jaw 5. The driving component 1 is any component structure capable of driving the jaw 5 to move. The connecting block 2 is fixedly installed on the driving component 1; the connecting block 2 is provided with an activity cavity and a connecting hole 21, which are vertically communicated; the activity cavity is a cylindrical inner cavity, the connecting hole 21 is a cylindrical hole, and the connecting block 2 is a rectangular block. The lock 3 includes an integrated head 32 and a connecting shaft part, wherein the head 32 extends out of the connecting block 2 for easy manual operation of the lock 3; the head 32 is in the shape of a cylindrical disc; the connecting shaft part is connected in the activity cavity; the connecting shaft part includes an integrated locking protrusion 31 and a release shaft body, the two are in the shape of a column shaft with one large and one small diameter, that is, the diameter of the locking protrusion 31 is greater than the diameter of the release shaft body, and the connecting shaft part is in the shape of a stepped shaft (on the basis of ensuring that the following locking protrusion 31 can catch the locking groove 41, the connecting shaft part can be designed into any number of steps or a stepped shaft with several steps; the diameter of the connecting shaft part near the entrance of the activity cavity can be greater than the inner diameter of the entrance of the activity cavity, so as to play a role in limiting the lock 3); the release shaft body is integrally fixed with the head 32, and the locking protrusion 31 is arranged in the activity cavity. The bottom end of the connecting piece 4 is fixed to the jaw 5 in any way. In this embodiment, the bottom end of the connecting piece 4 is fixed to the jaw 5 by a screw 6, and the top end of the connecting piece 4 is inserted into the connecting hole 21; the connecting piece 4 is columnar, and a locking groove 41, which is an annular groove, is arranged in the middle position of the connecting piece 4; through the cooperation connection of the locking protrusion 31 and the locking groove 41, the jaw 5 is locked and fixed on the connecting block 2. The jaw 5 is a conventional product, and only a schematic diagram of the jaw 5 is shown in the drawings.

[0026] In this embodiment, the connecting shaft portion of the latch 3 is sleeved in the movable cavity, and the head 32 of the latch 3 extends out of the connecting block 2. The connecting shaft portion of the latch 3 can be telescoped in the movable cavity. During implementation, when manually pulling the head 32, the latch 3 is pulled out partially (at this time, there is a certain distance between the connecting shaft portion and the bottom surface of the movable cavity), so that the locking protrusion 31 of the connecting shaft portion is stuck in the locking groove 41 of the connecting member 4. At this time, the clamping jaw 5 is locked and fixed on the connecting block 2 through the connecting member 4; when manually pressing the head 32 or pressing the latch 3 (at this time, the connecting shaft portion is in contact with and fits the bottom surface of the movable cavity), the locking protrusion 31 is disengaged from the locking groove 41 (at this time, the release shaft body is facing the locking groove 41, and the diameter of the release shaft body cannot hold the locking groove 41), and at this time, the connecting member 4 can be withdrawn from the connecting hole 21, that is, the clamping jaw 5 can be easily removed from the connecting block 2 for type change. In actual application, reverse design can also be carried out, that is, it is designed that when the latch 3 is pressed, the locking protrusion 31 is stuck in the locking groove 41 to lock the clamping jaw 5, and when the latch 3 is pulled out partially, the locking protrusion 31 is disengaged from the locking groove 41 to release the clamping jaw 5; the general inventive concept of this design is that the clamping jaw 5 is fixed or released by the locking protrusion 31 being stuck in or disengaged from the locking groove 41. On this basis, any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by this utility model should be covered within the protection scope of this utility model.

[0027] In this embodiment, the driving component 1 is a cylinder, which includes a cylinder block seat 11 and a slider 12. The slider 12 is slidably connected in the cylinder block seat 11; a toothed groove 13 is provided on the cylinder block seat 11, and a toothed portion is provided on the slider 12. Through the toothed portion and the toothed groove 13 meshing with each other, the slider 12 is slidably connected in the cylinder block seat 11; the operating principle of this cylinder is that the slider 12 slides left and right and telescopes in the cylinder block seat 11 through air pressure drive.

[0028] In this embodiment, the connecting block 2 is fixed to the slider 12 by a pin. The numbers of the connecting block 2, the slider 12, and the clamping jaw 5 are adapted, and each has two; two parallel connecting holes 21 are provided at the end face of one connecting block 2, and one movable cavity is provided at the side of one connecting block 2, and this movable cavity vertically penetrates between the two parallel connecting holes 21; two connecting members 4 are fixed on one clamping jaw 5.

[0029] In actual application, the driving component 1 and the clamping jaw 5 are prior arts and will not be elaborated.

[0030] The beneficial effects of this embodiment are as follows: By the cooperative connection between the locking protrusion 31 and the locking groove 41, the clamping jaw 5 is locked and fixed on the connecting block 2. When the cooperation between the locking protrusion 31 and the locking groove 41 is cancelled (such as pressing the lock 3), the clamping jaw 5 can be easily removed for type change. Thus, this device can quickly replace the clamping jaw 5, with simple and convenient operation, reducing the manual operation time and the equipment standby time, improving the production efficiency. At the same time, the overall structure is simple, easy to disassemble, assemble, manufacture and process.

[0031] Embodiment Two

[0032] A clamping jaw quick-change device can be used as a special machine or connected to any existing automatic assembly machine. This clamping jaw quick-change device includes a driving component 1, a connecting block 2, a lock 3, a connecting piece 4, and a clamping jaw 5. The driving component 1 is any component structure capable of driving the clamping jaw 5 to move. The connecting block 2 is fixedly installed on the driving component 1. The connecting block 2 is provided with an activity cavity and a connecting hole 21, which are vertically communicated. The activity cavity is a cylindrical inner cavity, the connecting hole 21 is a cylindrical hole, and the connecting block 2 is a rectangular block. The lock 3 includes an integral head 32 and a connecting shaft part. The head 32 extends out of the connecting block 2 for easy manual operation of the lock 3. The head 32 is in the shape of a cylindrical disk. The connecting shaft part is connected in the activity cavity. The connecting shaft part includes an integral locking protrusion 31 and a release shaft body, which are in the shape of a column shaft with one large and one small diameter, that is, the diameter of the locking protrusion 31 is greater than the diameter of the release shaft body, and the connecting shaft part is in the shape of a stepped shaft (on the basis of ensuring that the following locking protrusion 31 can catch the locking groove 41, the connecting shaft part can be designed into a stepped shaft with any number of steps or several orders). The release shaft body is integrally fixed with the head 32, and the locking protrusion 31 is arranged in the activity cavity. The bottom end of the connecting piece 4 is fixed to the clamping jaw 5 in any way. In this embodiment, the bottom end of the connecting piece 4 is fixed to the clamping jaw 5 by screws 6. The top end of the connecting piece 4 is inserted into the connecting hole 21. The connecting piece 4 is columnar, and a locking groove 41, which is an annular groove, is arranged at the middle position of the connecting piece 4. By the cooperative connection between the locking protrusion 31 and the locking groove 41, the clamping jaw 5 is locked and fixed on the connecting block 2. The clamping jaw 5 is a conventional product, and only a schematic diagram of the clamping jaw 5 is shown in the drawings.

[0033] In this embodiment, the connecting shaft portion of the latch 3 is threadedly connected in the movable cavity, and the head 32 of the latch 3 extends out of the connecting block 2. The latch 3 can be screwed into or out of the connecting block 2 relative to the connecting block 2; the locking projection 31 is provided with an external thread, and the locking projection 31 is threadedly connected to the movable cavity. During implementation, when the head 32 is manually screwed clockwise, the latch 3 is screwed in partially, so that the locking projection 31 of the connecting shaft portion is stuck in the locking groove 41 of the connecting member 4. At this time, the clamping jaw 5 is locked and fixed to the connecting block 2 through the connecting member 4; when the head 32 is manually screwed counterclockwise, that is, the latch 3 is screwed out partially, so that the locking projection 31 is disengaged from the locking groove 41, at this time, the connecting member 4 can be withdrawn from the connecting hole 21, that is, the clamping jaw 5 can be easily removed from the connecting block 2 for retooling. The general inventive concept of this design is that the clamping jaw 5 is fixed or released by the locking projection 31 being stuck in or disengaged from the locking groove 41. On this basis, any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be covered within the protection scope of the present utility model.

[0034] In this embodiment, the driving member 1 is a cylinder, which includes a cylinder block seat 11 and a slider 12. The slider 12 is slidably connected in the cylinder block seat 11; a toothed groove 13 is provided on the cylinder block seat 11, and a toothed portion is provided on the slider 12. Through the toothed portion and the toothed groove 13 meshing with each other, the slider 12 is slidably connected in the cylinder block seat 11; the operating principle of this cylinder is: the slider 12 is driven by air pressure to slide left and right and expand and contract in the cylinder block seat 11.

[0035] In this embodiment, the connecting block 2 is fixed to the slider 12 by a pin. The numbers of the connecting block 2, the slider 12, and the clamping jaw 5 are adapted, and each has two; two parallel connecting holes 21 are provided at the end face of one connecting block 2, and one movable cavity is provided at the side of one connecting block 2, and the movable cavity vertically penetrates between the two parallel connecting holes 21; two connecting members 4 are fixed on one clamping jaw 5.

[0036] In practical applications, the driving member 1 and the clamping jaw 5 are prior arts and will not be elaborated.

[0037] The beneficial effects of this embodiment are as follows: through the cooperation connection between the locking projection 31 and the locking groove 41, the clamping jaw 5 is locked and fixed to the connecting block 2. When the cooperation between the locking projection 31 and the locking groove 41 is cancelled (such as screwing the latch 3 out partially counterclockwise), the clamping jaw 5 can be easily removed for retooling; thus, this device can quickly replace the clamping jaw 5, the operation is simple and convenient, the manual operation time and the equipment standby time are reduced, the production efficiency is improved, and at the same time, the overall structure is simple, and it is easy to disassemble, assemble, manufacture and process.

[0038] Embodiment Three

[0039] This embodiment provides a buckle structure, which includes a connecting block 2, a buckle 3, and a connecting member 4. The buckle 3 is movably connected within the connecting block 2. The buckle 3 is provided with a locking protrusion 31. The connecting member 4 is sleeved within the connecting block 2. The connecting member 4 is provided with a locking groove 41. Through the mating connection between the locking protrusion 31 and the locking groove 41, the connecting member 4 and the connecting block 2 are locked and fixed.

[0040] In this embodiment, the connecting block 2 is provided with an activity cavity and a connecting hole 21, which are vertically communicated. The activity cavity is a cylindrical inner cavity, the connecting hole 21 is a cylindrical hole, and the connecting block 2 is a rectangular block. The buckle 3 includes an integral head 32 and a connecting shaft portion. The head 32 extends out of the connecting block 2 to facilitate manual operation of the buckle 3. The head 32 is in the shape of a cylindrical disk. The connecting shaft portion is connected within the activity cavity. The connecting shaft portion includes an integral locking protrusion 31 and a release shaft body, which are in the shape of a columnar shaft with one large and one small diameter, that is, the diameter of the locking protrusion 31 is greater than the diameter of the release shaft body, and the connecting shaft portion is in the shape of a stepped shaft (on the basis of ensuring that the following locking protrusion 31 can catch the locking groove 41, the connecting shaft portion can be designed into any number of steps or several steps of stepped shafts; the diameter of the connecting shaft portion near the entrance of the activity cavity can be greater than the inner diameter of the entrance of the activity cavity, so as to play a limiting role on the buckle 3). The release shaft body is integrally fixed with the head 32, and the locking protrusion 31 is arranged within the activity cavity. The connecting member 4 is inserted into the connecting hole 21. The connecting member 4 is columnar, and a locking groove 41, which is an annular groove, is provided at the middle position of the connecting member 4. Through the mating connection between the locking protrusion 31 and the locking groove 41, the connecting member 4 and the connecting block 2 are locked and fixed.

[0041] In this embodiment, the connecting shaft portion of the latch 3 is sleeved in the movable cavity, the head 32 of the latch 3 extends out of the connecting block 2, and the connecting shaft portion of the latch 3 can be telescoped in the movable cavity. During implementation, when the head 32 is manually pulled to pull out a part of the latch 3 (at this time, there is a certain distance between the connecting shaft portion and the bottom surface of the movable cavity), the locking protrusion 31 of the connecting shaft portion is stuck in the locking groove 41 of the connecting member 4, and at this time, the connecting member 4 is locked and fixed to the connecting block 2; and when the head 32 is manually pressed, that is, the latch 3 is pressed (at this time, the connecting shaft portion is in contact with and fits against the bottom surface of the movable cavity), the locking protrusion 31 is disengaged from the locking groove 41 (at this time, the release shaft body is facing the locking groove 41, and the diameter of the release shaft body cannot hold the locking groove 41), and at this time, the connecting member 4 can be pulled out from the connecting hole 21, that is, the connecting member 4 can be easily removed from the connecting block 2. In actual application, a reverse design can also be carried out, that is, it is designed that when the latch 3 is pressed, the locking protrusion 31 is stuck in the locking groove 41 to lock the connecting member 4, and when a part of the latch 3 is pulled out, the locking protrusion 31 is disengaged from the locking groove 41 to disassemble the connecting member 4; the general inventive concept of this design is that the connecting member 4 is fixed or disassembled by the locking protrusion 31 being stuck in or disengaged from the locking groove 41. On this basis, any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by this utility model should be covered within the protection scope of this utility model.

[0042] The beneficial effects of this embodiment are as follows: By the cooperation connection between the locking protrusion 31 and the locking groove 41, the connecting member 4 and the connecting block 2 are locked and fixed. When the cooperation between the locking protrusion 31 and the locking groove 41 is cancelled (such as pressing the latch 3), the connecting member 4 can be easily disassembled; thus, this latch structure can quickly fix and connect or disassemble two parts, with simple and convenient operation, high efficiency, and at the same time, the overall structure is simple, easy to disassemble, assemble, manufacture, and process.

[0043] Embodiment Four

[0044] This embodiment provides a latch structure, which includes a connecting block 2, a latch 3, and a connecting member 4. The latch 3 is movably connected in the connecting block 2. The latch 3 is provided with a locking protrusion 31. The connecting member 4 is sleeved in the connecting block 2. The connecting member 4 is provided with a locking groove 41. By the cooperation connection between the locking protrusion 31 and the locking groove 41, the connecting member 4 and the connecting block 2 are locked and fixed.

[0045] In this embodiment, an active cavity and a connecting hole 21 are provided in the connecting block 2, and the two are vertically connected; the active cavity is a cylindrical inner cavity, the connecting hole 21 is a cylindrical hole, and the connecting block 2 is a rectangular block. The latch 3 includes an integral head 32 and a connecting shaft portion, wherein the head 32 extends out of the connecting block 2 for easy manual operation of the latch 3; the head 32 is in the shape of a cylindrical disk; the connecting shaft portion is connected in the active cavity; the connecting shaft portion includes an integral locking protrusion 31 and a release shaft body, and the two are in the shape of columnar shafts with one large and one small diameter, that is, the diameter of the locking protrusion 31 is greater than the diameter of the release shaft body, and the connecting shaft portion is in the shape of a stepped shaft (on the basis of ensuring that the following locking protrusion 31 can catch the locking groove 41, the connecting shaft portion can be designed into a stepped shaft with any number of stages or several orders); the release shaft body is integrally fixed to the head 32, and the locking protrusion 31 is arranged in the active cavity. The connecting member 4 is inserted into the connecting hole 21; the connecting member 4 is columnar, and a locking groove 41 is provided in the middle position of the connecting member 4, which is an annular groove; through the cooperation connection between the locking protrusion 31 and the locking groove 41, the connecting member 4 is locked and fixed to the connecting block 2.

[0046] In this embodiment, the connecting shaft portion of the latch 3 is threadedly connected in the active cavity, the head 32 of the latch 3 extends out of the connecting block 2, and the latch 3 can be screwed into or out of the connecting block 2; an external thread is provided on the locking protrusion 31, and the locking protrusion 31 is threadedly connected with the active cavity. During implementation, when the head 32 is manually screwed clockwise, that is, the latch 3 is screwed in by a part, so that the locking protrusion 31 of the connecting shaft portion is stuck in the locking groove 41 of the connecting member 4, and at this time the connecting member 4 is locked and fixed on the connecting block 2; when the head 32 is manually screwed counterclockwise, that is, the latch 3 is screwed out by a part, so that the locking protrusion 31 is disengaged from the locking groove 41, and at this time the connecting member 4 can be pulled out from the connecting hole 21, that is, the connecting member 4 can be easily removed from the connecting block 2. The overall inventive concept of this design is to fix or disassemble the connecting member 4 by the locking protrusion 31 catching or disengaging from the locking groove 41. On this basis, any changes or substitutions that can be easily thought of by any person skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.

[0047] The beneficial effects of this embodiment are as follows: through the cooperation connection between the locking protrusion 31 and the locking groove 41, the connecting member 4 is locked and fixed to the connecting block 2. When the cooperation between the locking protrusion 31 and the locking groove 41 is cancelled (such as screwing the latch 3 out by a part counterclockwise), the connecting member 4 can be easily disassembled; thus, this latch structure can quickly fix and connect or disassemble two parts, with simple and convenient operation, high efficiency, and at the same time, the overall structure is simple and easy to disassemble, assemble, manufacture and process.

[0048] Embodiment Five

[0049] This embodiment provides a manipulator, and the manipulator includes the jaw quick-change device described in the above Embodiment One or Embodiment Two.

[0050] In this embodiment, the manipulator includes a control system, and the control system is connected to each power component such as the drive component 1 for controlling the execution of actions.

[0051] The beneficial effects of this embodiment are as follows: By providing a jaw quick-change device and matching the locking protrusion 31 with the locking groove 41, this manipulator can quickly replace the jaw 5, with simple and convenient operation, reducing the manual operation time and the equipment standby time, improving the production efficiency, and at the same time having a simple overall structure, being easy to disassemble, assemble, manufacture and process.

[0052] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claimed rights.

Claims

1. A jaw quick-change device, comprising a driving component (1), a connecting block (2), and a jaw (5), which are connected in sequence, and is characterized in that, It further includes a latch (3) and a connecting member (4). The latch (3) is movably connected within the connecting block (2). A locking projection (31) is provided on the latch (3). One end of the connecting member (4) is fixed to the jaw (5), and the other end is sleeved within the connecting block (2). A locking groove (41) is provided on the connecting member (4). By the cooperation connection between the locking projection (31) and the locking groove (41), the jaw (5) is locked and fixed to the connecting block (2).

2. The jaw quick-change device according to claim 1, characterized in that, An activity cavity and a connecting hole (21) are provided within the connecting block (2), and they are in communication. The latch (3) is movably connected within the activity cavity, and one end of the connecting member (4) is inserted into the connecting hole (21).

3. The jaw quick-change device according to claim 2, characterized in that, One end of the latch (3) is sleeved within the activity cavity, and the other end extends out of the connecting block (2). The latch (3) can be telescoped within the activity cavity.

4. The jaw quick-change device according to claim 2, characterized in that, One end of the latch (3) is threadedly connected within the activity cavity, and the other end extends out of the connecting block (2). The latch (3) can be screwed into or out of the connecting block (2).

5. The jaw quick-change device according to claim 2, characterized in that, The connecting member (4), the connecting hole (21), the activity cavity, and the locking projection (31) are all columnar, and the locking groove (41) is an annular groove.

6. The jaw quick-change device according to claim 2, wherein, The latch (3) includes a head (32) and a connecting shaft portion, which are fixed. The head (32) extends out of the connecting block (2), and the connecting shaft portion is connected within the activity cavity.

7. The jaw quick-change device according to claim 6, wherein, The connecting shaft portion includes a locking projection (31) and a release shaft body, which are fixed. The release shaft body is fixed to the head (32), and the diameter of the locking projection (31) is greater than the diameter of the release shaft body.

8. The jaw quick-change device according to claim 7, characterized in that, The connecting shaft portion is in the shape of a stepped shaft.

9. The jaw quick-change device according to claim 1, wherein The driving component (1) is a cylinder, which includes a cylinder block seat (11) and a slider (12). The slider (12) is slidably connected within the cylinder block seat (11).

10. The jaw quick-change device according to claim 9, characterized in that, The connecting block (2) is a rectangular block, and the connecting block (2) is fixed to the slider (12) by a pin.

Images