A tool holder structure with anti-pinching function for CNC machine tools

Abstract

The present invention provides a tool holder structure with an anti-pinching function for a numerically controlled machine tool, which relates to the technical field of tool holders and includes: an outer plate, the outer plate is a rectangular plate-like structure, an inner part is installed on the inner side of each outer plate through a guide rod, a pull piece is installed on the top of the inner part, two connecting plates are arranged on the inner side of the pull piece, the connecting plate is a rectangular structure, a groove is arranged on the top of the connecting plate, a control plate is clamped on the connecting plate through the groove, the control plate is an L-shaped plate-like structure, and the control plate is made of elastic metal. When in use, the control plate can be inserted into the inner side of the outer groove, so that when the device clamps the bottom of the tool, the bottom of the tool can be in the internal force of the clamping groove, so that the contact head can be compressed, and the two sides of the contact head can be pulled together to assist in clamping the tool and strengthen the fixing effect of the tool, solving the problem that the tool holder structure of the numerically controlled machine tool is easy to cause the tool to detach and lacks a structure that is continuously subjected to force and fixed in contact with the tool.

Description

Technical Field

[0001] The invention relates to the technical field of tool rest structures, and in particular to a tool rest structure with an anti-pinching function for a numerically controlled machine tool. Background Art

[0002] The tool holder is a very important part of CNC machine tools. According to the function of CNC machine tools, the number of tools that can be installed on the tool holder is generally 4, 6, 8, 10, 12, 20, or 24. Some CNC lathes can be equipped with more tools. The tool holder can conveniently provide CNC machine tools with tools for use;

[0003] However, as far as the current traditional CNC machine tool tool holder structure is concerned, after the tool is inserted, it is easy to shake when the tool is driven to rotate, which can easily cause the tool to detach. There is a lack of a structure that continuously bears force and fixes the tool in contact. When fixing the tool, if the operation is improper, it is easy to cause the user's hand to be pinched. There is a lack of anti-pinching structure, and when clamping the tool, there is a lack of structure to enhance the clamping effect. Summary of the invention

[0004] In view of this, the present invention provides a tool holder structure with an anti-pinching function for a CNC machine tool, which has a contact plate so that after the tool is installed, the bottom of the tool can be in anti-slip contact with the contact plate, thereby improving the fixing effect and preventing the tool from shaking.

[0005] The present invention provides a tool holder structure with an anti-pinching function for a numerically controlled machine tool, specifically comprising: a main body; the main body is the tool holder structure body, the top of the main body is provided with a top piece, the bottom of the top piece is provided with a ring-shaped supporting plate, the outer side of the supporting plate is provided with a pushing plate, the top of the pushing plate is provided with a force-bearing plate, the top of the force-bearing plate is provided with evenly arranged pyramid-shaped blocks, the top of the force-bearing plate is clamped with a contact plate, the contact plate is a rectangular structure, and the contact plate is made of rubber; an outer plate, the outer plate is a rectangular plate-shaped structure, the outer plate is located outside the top of the main body, the outer plates are evenly arranged in a ring shape and are installed on the outer side of the top piece, and an inner piece is installed on the inner side of each outer plate through a guide rod, and the inner piece A pulling piece is installed at the top of the pull piece, and two connecting plates are provided on the inner side of the pulling piece. The connecting plate is a rectangular structure, and a groove is provided at the top of the connecting plate. The inner end of the groove is a rectangular structure, and the outer end of the groove is a cylindrical structure. The connecting plate is clamped with a control board through the groove. The control board is an L-shaped plate structure, and the control board is made of elastic metal. A round rod is provided on the outside of the top of the control board; the contact head is a T-shaped structure, and the contact head is made of rubber. The contact head is located on the outside of the top of the main body, and the contact heads are evenly arranged in a ring shape and installed on the outside of the top piece. The contact heads are installed on the inner side of the inner piece, and an inner groove is provided in the middle position of each contact head, and the inner groove is an elliptical structure.

[0006] Optionally, the top piece is a rectangular structure, the top piece is a rotatable structure, the outer side of the top piece is provided with annular evenly arranged fixing grooves, the fixing grooves are a rectangular structure, the inner side of the top end of the fixing grooves is an inclined structure, the number of the fixing grooves is the same as the number of the support plates, and the fixing grooves are at the top end of the support plates; four outer pieces are provided on the outer side of the top piece, the outer pieces are U-shaped plate structures, each outer piece has a guide hole inside, and each outer piece has evenly arranged guide grooves on the outer side, and the guide grooves are a rectangular structure; the support plate is a rectangular structure, the outer side of the support plate is provided with an arc groove, the support plate is made of elastic metal, the push plate is an inclined plate structure, and the push plate is made of elastic metal.

[0007] Optionally, four guide plates are provided on the inner side of each of the outer plates, and the guide plates are of rectangular structure, embedded in the guide groove, a spring is mounted on the outer side of each guide rod, and the guide rod is inserted into the guide hole; the inner parts are of U-shaped structure, the inner parts are located inside the fixed groove, and an embedded groove is provided inside each of the inner parts, and the embedded groove consists of a vertical groove and two horizontal grooves; an auxiliary groove is provided inside each of the two sides of each of the inner parts, and the auxiliary groove is of rectangular structure, the pull piece is of U-shaped structure, and the bottom of the connecting plate is inserted into the auxiliary groove.

[0008] Optionally, each of the contact heads is provided with a clamping groove on the inner side, and the clamping groove is an arc-shaped structure. Each contact head is provided with an outer groove on both sides, and the outer groove is a right-angled triangle structure; each of the contact heads is provided with two connecting heads on the outside, and the connecting heads are T-shaped structures. The upper and lower sides of the outer ends of the connecting heads are inclined structures, and the connecting heads are made of rubber, and the contact heads and the connecting heads are embedded in the embedded groove; each of the connecting heads is provided with a top groove inside, and the top groove is a T-shaped structure. The internal angle position of the top groove is an inclined structure, the inside of the top groove is connected with the inside of the inner groove, and a top plate is installed inside the top groove and the inner groove, the inner end of the top plate is an elliptical structure, and the outer end of the top plate is a wedge-shaped structure. Beneficial Effects

[0009] Compared with the traditional tool holder structure, the tool holder structure according to the embodiments of the present invention is provided with an inner groove, which can make the contact head more flexible and avoid pinching the human hand when installing the tool.

[0010] In addition, by providing a contact plate and a force-bearing plate, when the device is in use, after the tool is installed, the bottom of the tool can contact the contact plate, thereby compressing the contact plate, so that the pyramid-shaped block inside the force-bearing plate can be inside the contact plate, and when assisting in positioning and fixing the tool, the contact plate is made of rubber material, so that it can be non-slip contacted and fixed with the bottom of the tool, so that the tool can be stably installed and used, and will not become loose when it is driven to rotate;

[0011] In addition, by providing a control board, when the device is in use, the control board can be inserted into the inner part of the outer groove, so that when the device clamps the bottom of the tool, the bottom of the tool can be placed inside the clamping groove to receive force, thereby causing the contact head to be compressed, and at the same time, the control board can be placed inside the outer groove for support, so that the two sides of the contact head can be pulled together, thereby assisting in clamping the tool, thereby enhancing the fixing effect on the tool;

[0012] In addition, by providing the inner groove, when the device is in use, since the contact head is made of rubber material, it can have a certain elasticity, so that after the tool is embedded, the contact head can be deformed by force. At the same time, the inner groove can increase the flexibility of the contact head and enhance the fit and fixation effect between the contact head and the tool. At the same time, when the tool is installed manually, the rubber contact head can use its own flexibility to cooperate with the outer groove to avoid pinching the operator's hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0014] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0015] In the attached picture:

[0016] Figure 1 A schematic diagram showing a three-dimensional structure of a tool holder structure according to an embodiment of the present invention;

[0017] Figure 2 A schematic diagram showing a bottom view of a tool holder structure according to an embodiment of the present invention is shown;

[0018] Figure 3 A schematic diagram showing an exploded three-dimensional structure of a tool holder structure according to an embodiment of the present invention is shown;

[0019] Figure 4 A schematic diagram showing an exploded bottom view of a tool holder structure according to an embodiment of the present invention is shown;

[0020] Figure 5 A schematic diagram showing a main three-dimensional structure of a tool holder structure according to an embodiment of the present invention is shown;

[0021] Figure 6 A schematic diagram showing a bottom view of the main body structure of the tool holder structure according to an embodiment of the present invention is shown;

[0022] Figure 7 A schematic diagram showing an exploded three-dimensional structure of an outer plate of a tool holder structure according to an embodiment of the present invention is shown;

[0023] Figure 8A schematic diagram showing an exploded bottom view of an outer plate of a tool holder structure according to an embodiment of the present invention is shown;

[0024] Fig. 9 A schematic diagram showing an exploded three-dimensional structure of a contact head of a tool holder structure according to an embodiment of the present invention is shown;

[0025] Fig.10 A schematic diagram of an exploded bottom view of a contact head of a tool holder structure according to an embodiment of the present invention is shown.

[0026] Reference numerals list

[0027] 1. Main body; 101. Top piece; 102. Fixing groove; 103. External piece; 104. Guide groove; 105. Support plate; 106. Push plate; 107. Force plate; 108. Contact plate;

[0028] 2. Outer plate; 201. Guide plate; 202. Guide rod; 203. Inner part; 204. Embedding groove; 205. Auxiliary groove; 206. Pulling piece; 207. Connecting plate; 208. Control panel;

[0029] 3. Contact head; 301. Clamping groove; 302. Outer groove; 303. Inner groove; 304. Connector; 305. Top groove; 306. Top plate. DETAILED DESCRIPTION

[0030] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0031] Example 1: Please refer to Figures 1 to 10 :

[0032] The present invention proposes a tool holder structure with an anti-pinching function for a numerically controlled machine tool, comprising: a main body 1; the main body 1 is a tool holder structure body, a top piece 101 is provided at the top of the main body 1, a ring-shaped support plate 105 is provided at the bottom of the top piece 101, a push plate 106 is provided on the outer side of the support plate 105, a force plate 107 is provided at the top of the push plate 106, and evenly arranged pyramid blocks are provided at the top of the force plate 107, so that after the contact plate 108 is compressed, it can assist in contacting and fixing with the bottom of the tool, and the contact plate 108 is clamped at the top of the force plate 107 The contact plate 108 is a rectangular structure. The contact plate 108 is made of rubber and is used for anti-slip contact with the bottom of the tool. After the tool is installed, it can assist in anti-slip fixation to prevent the tool from loosening; the outer plate 2 is a rectangular plate structure. The outer plate 2 is located on the outside of the top of the main body 1 and can be installed and moved on the outside of the top of the main body 1, thereby driving the contact head 3 to move and fix the tool. The outer plates 2 are evenly arranged in a ring shape and installed on the outside of the top piece 101. An inner piece 203 is installed on the inner side of each outer plate 2 through a guide rod 202. The top of the inner piece 203 is installed A pull piece 206 is installed, and two connecting plates 207 are arranged on the inner side of the pull piece 206. The connecting plate 207 is a rectangular structure, and a groove is arranged on the top of the connecting plate 207. The inner end of the groove is a rectangular structure, so that the control board 208 can be easily installed and used. The outer end of the groove is a cylindrical structure. The connecting plate 207 is connected with the control board 208 through the groove. The control board 208 is an L-shaped plate structure. The control board 208 is made of elastic metal material, so that the control board 208 can be deformed freely, thereby firmly supporting the side of the contact head 3. The top of the control board 208 is provided with a A round rod; a contact head 3, which is a T-shaped structure and made of rubber. The contact head 3 is used to directly contact and fix with the tool. At the same time, the contact head 3 is flexible so that it will not be damaged after clamping the operator's hand. The contact head 3 is located on the outside of the top of the main body 1. The contact heads 3 are evenly arranged in a ring shape and installed on the outside of the top piece 101. The contact heads 3 are installed on the inside of the inner piece 203. An inner groove 303 is provided in the middle position of each contact head 3. The inner groove 303 is an elliptical structure, which can improve the flexibility of the contact head 3 and thereby improve the anti-pinch effect.

[0033] refer to Figure 5 and Figure 6The top piece 101 is a rectangular structure. The top piece 101 is a rotatable structure, which can easily drive the tool to rotate and adjust. The outer side of the top piece 101 is provided with a ring-shaped evenly arranged fixing groove 102. The fixing groove 102 is a rectangular structure, which is used to embed and fix the tool. The inner side of the top of the fixing groove 102 is an inclined structure, so that the tool can be easily inserted and fixed. The number of the fixing grooves 102 is the same as the number of the support plate 105, and the fixing groove 102 is at the top of the support plate 105; the outer side of the top piece 101 is provided with four outer pieces 103, and the outer piece 103 is a U-shaped plate structure, which can support and install the outer plate 2, and each outer piece 103 A guide hole is provided inside to guide the guide rod 202 to move inside it, and evenly arranged guide grooves 104 are provided on the outside of each outer part 103. The guide grooves 104 are of a rectangular structure to guide the guide plate 201 to move; the support plate 105 is of a rectangular structure, and an arc groove is provided on the outside of the support plate 105 to improve flexibility. The support plate 105 is made of elastic metal, and the push plate 106 is an inclined plate-like structure. The push plate 106 is made of elastic metal, so that the support plate 105 can push the contact plate 108 with the push plate 106 by utilizing its own elasticity, thereby strengthening the contact and fixing effect between the contact plate 108 and the bottom of the tool.

[0034] refer to Figure 7 and Figure 8 , four guide plates 201 are provided on the inner side of each outer plate 2, and the guide plates 201 are of rectangular structure, which are used to guide the displacement of the outer plate 2 and the inner part 203, and the guide plates 201 are embedded in the guide groove 104, and a spring is sleeved on the outer side of each guide rod 202, and the guide rod 202 is inserted into the guide hole, so that the spring can be continuously stressed, and then continuously push the tool to be fixed; the inner part 203 is of U-shaped structure, and the inner part 203 is inside the fixed groove 102, and an embedding groove 204 is provided inside each inner part 203, which is used to install the outer end of the contact head 3 and the connecting head 304, so that the contact head 3 can be conveniently installed and used, and the embedding groove 204 consists of a vertical groove and two horizontal grooves; an auxiliary groove 205 is respectively provided inside on both sides of each inner part 203, and the auxiliary groove 205 is of rectangular structure, which is used to install the connecting plate 207 for use, and the pull piece 206 is of U-shaped structure, and the bottom of the connecting plate 207 is inserted into the auxiliary groove 205, which is used to conveniently drive the connecting plate 207 to move together for use.

[0035] refer to Fig. 9 and Fig.10A clamping groove 301 is provided on the inner side of each contact head 3. The clamping groove 301 is an arc-shaped structure, which is used to fit and fix with the bottom of the tool. An outer groove 302 is provided on both sides of each contact head 3. The outer groove 302 is a right-angled triangle structure, which is used to insert the control board 208 inside it so that the side of the contact head 3 can be supported; two connecting heads 304 are provided on the outside of each contact head 3. The connecting head 304 is a T-shaped structure, and the upper and lower sides of the outer end of the connecting head 304 are inclined structures. The connecting head 304 is made of rubber. The contact head 3 and the connecting head 304 are embedded in the embedded groove 204, which can drive the contact head 3 to be easily installed. Use; each connecting head 304 is provided with a top groove 305 inside, the top groove 305 is a T-shaped structure, the internal angle position of the top groove 305 is an inclined structure, the inside of the top groove 305 is connected with the inside of the inner groove 303, so that the top plate 306 can be moved and used inside it, the top groove 305 and the inner groove 303 are installed with a top plate 306, the inner end of the top plate 306 is an elliptical structure, and the outer end of the top plate 306 is a wedge-shaped structure, so that after the contact head 3 is subjected to force, the top plate 306 can be pushed up, so that the top plate 306 can be displaced, and then the top groove 305 can be pushed up, so that the connecting head 304 can be pushed up and expanded, thereby improving the fixing effect.

[0036] Embodiment 2: When the flexibility and anti-slip fixing effect of the contact head 3 need to be improved, the pull piece 206 and the control board 208 can be pulled up and taken out, so that the flexibility of the contact head 3 can be further improved.

[0037] Embodiment 3: When the contact head 3 is damaged, the contact head 3 can be directly controlled to be pulled and displaced, so that the connecting head 304 can be detached from the inside of the embedding groove 204, so that the contact head 3 can be easily removed and replaced.

[0038] Specific usage and function of this embodiment: In the present invention, when the device needs to be used, the main body 1 can be installed in an appropriate position by human control first, and then the tool can be connected and installed with the main body 1, and then the connecting plate 207 and the control plate 208 can be installed by human control, so that the control plate 208 can be inserted into the inner part of the outer groove 302, so that the outer groove 302 can be supported, and the connecting plate 207 can be inserted into the inner part of the auxiliary groove 205. The bottom of the tool can be directly inserted through the top inner side of the fixed groove 102 by human control, so that the bottom of the tool can continue to be inserted downward, so that the tool can push the contact head 3 to move outward, so that the contact head 3 can squeeze the spring on the outside of the guide rod 202, and at the same time, the outer groove 302 can be opened inside the contact head 3, thereby improving the flexibility of the contact head 3, so that the contact head 3 can strengthen the contact with the bottom of the tool. Fixing effect: even after the operator's hand is embedded in the clamp, the contact head 3 can also use its own flexibility to prevent the hand from being clamped. After the contact head 3 contacts the tool, the inner groove 303 can be effectively compressed, so that the control board 208 can be continuously supported by force inside the outer groove 302. After the middle position of the contact head 3 is stressed, the two control boards 208 can control the side bending of the contact head 3, thereby strengthening the clamping and fixing effect on the bottom of the tool. After the tool is fixed and installed, the bottom of the tool can contact the contact plate 108. At the same time, the support plate 105 can be stressed together with the push plate 106, and then continuously push the force plate 107, so that the pyramidal block of the force plate 107 can cooperate with the contact plate 108 to contact and fix the bottom of the tool without slipping, thereby avoiding the tool from shaking, so that the tool holder can be stably installed for use.

[0039] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0040] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A tool rest structure with anti-pinching function for a CNC machine tool, characterized in that: include: A main body (1); the main body (1) is a tool holder structure body, a top piece (101) is provided at the top of the main body (1), a ring-shaped support plate (105) is provided at the bottom of the top piece (101), a push plate (106) is provided on the outside of the support plate (105), a force plate (107) is provided at the top of the push plate (106), a uniformly arranged pyramid-shaped block is provided at the top of the force plate (107), a contact plate (108) is clamped at the top of the force plate (107), the contact plate (108) is a rectangular structure, and the contact plate (108) is made of rubber; an outer plate (2), the outer plate (2) is a rectangular plate structure, the outer plate (2) is located outside the top of the main body (1), the outer plates (2) are evenly arranged in a ring and installed on the outside of the top piece (101), an inner piece (203) is installed on the inner side of each outer plate (2) through a guide rod (202), and a pull piece is installed at the top of the inner piece (203) (206), two connecting plates (207) are provided on the inner side of the pull piece (206), the connecting plates (207) are of rectangular structure, a groove is provided on the top of the connecting plates (207), the inner end of the groove is of rectangular structure, and the outer end of the groove is of cylindrical structure, the connecting plates (207) are connected to a control plate (208) through the groove, the control plate (208) is of L-shaped plate structure, the control plate (208) is made of elastic metal material, and a round rod is provided on the outside of the top of the control plate (208); the contact head (3), the contact head (3) is of T-shaped structure, the contact head (3) is made of rubber material, the contact head (3) is located on the outside of the top of the main body (1), the contact heads (3) are evenly arranged in a ring shape and installed on the outside of the top piece (101), and the contact heads (3) are installed on the inner side of the inner piece (203), and an inner groove (303) is provided at the middle position inside each contact head (3), and the inner groove (303) is of elliptical structure.

2. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 1, characterized in that: The top piece (101) is a rectangular structure, the top piece (101) is a rotatable structure, the outer side of the top piece (101) is provided with annular evenly arranged fixing grooves (102), the fixing grooves (102) are rectangular structures, the inner side of the top end of the fixing grooves (102) is an inclined structure, the number of the fixing grooves (102) is the same as the number of the support plates (105), and the fixing grooves (102) are located at the top end of the support plates (105).

3. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 1, characterized in that: Four outer pieces (103) are arranged on the outside of the top piece (101), the outer pieces (103) are U-shaped plate structures, each outer piece (103) is provided with a guide hole inside, and each outer piece (103) is provided with evenly arranged guide grooves (104) on the outside, the guide grooves (104) are rectangular structures.

4. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 1, characterized in that: The support plate (105) is a rectangular structure, an arc-shaped groove is provided on the outer side of the support plate (105), the support plate (105) is made of elastic metal material, the push plate (106) is an inclined plate-shaped structure, and the push plate (106) is made of elastic metal material.

5. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 3, characterized in that: Four guide plates (201) are provided on the inner side of each outer plate (2), the guide plates (201) being of a rectangular structure, the guide plates (201) being embedded in the guide grooves (104), a spring being sleeved on the outer side of each guide rod (202), and the guide rod (202) being inserted into the guide hole.

6. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 2, characterized in that: The inner part (203) is a U-shaped structure. The inner part (203) is located inside the fixed groove (102). An embedding groove (204) is provided inside each inner part (203). The embedding groove (204) consists of a vertical groove and two horizontal grooves.

7. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 6, characterized in that: An auxiliary groove (205) is respectively provided inside the two sides of each inner piece (203); the auxiliary groove (205) is a rectangular structure; the pull piece (206) is a U-shaped structure; and the bottom of the connecting plate (207) is inserted into the auxiliary groove (205).

8. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 7, characterized in that: A clamping groove (301) is provided on the inner side of each contact head (3), and the clamping groove (301) is an arc-shaped structure. An outer groove (302) is provided on both sides of each contact head (3), and the outer groove (302) is a right-angled triangle structure.

9. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 8, characterized in that: Two connecting heads (304) are provided outside each of the contact heads (3); the connecting heads (304) are T-shaped structures; upper and lower sides of the outer ends of the connecting heads (304) are inclined structures; the connecting heads (304) are made of rubber; and the contact heads (3) and the connecting heads (304) are embedded in the embedding grooves (204).

10. A tool rest structure with anti-pinching function for a CNC machine tool as claimed in claim 9, characterized in that: Each connector (304) is provided with a top groove (305) in its interior. The top groove (305) is a T-shaped structure. The internal angle of the top groove (305) is an inclined structure. The interior of the top groove (305) is connected to the interior of the inner groove (303). A top plate (306) is installed in the top groove (305) and the inner groove (303). The inner end of the top plate (306) is an elliptical structure, and the outer end of the top plate (306) is a wedge-shaped structure.

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