Horizontal numerical control high speed machine tool for pull grinding elevator guide rail

Abstract

The utility model relates to numerical control machine tool field especially relates to a horizontal numerical control high -speed machine tool of pull grinding elevator guide rail has the base, the base is equipped with the placing groove, and the one end extension of placing groove is in the base and is connected with outside, and the other end of placing groove is located on the base, the base is equipped with the support, and the base is equipped with the sliding slot along the extension direction of placing groove, and the support slidingly sets up in the sliding slot, and the base still is fixed with sliding drive device, and the support slidingly sets up on the base through the drive of sliding drive device, the support is equipped with the lifting block and slides up and down, and the support is fixed with lifting drive device, and the lifting block slidingly sets up on the support through the drive of lifting drive device, still be equipped with the mounting block, and the lower end of lifting block and the upper end of mounting block are detachably fixed connection, and the lower end of mounting block sets up towards placing groove, and the lower end of mounting block is fixed with pull grinding polishing block, the utility model discloses can replace and install the polishing block fast, and high -efficient convenient.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tools, and in particular to a horizontal high-speed CNC machine tool for grinding elevator guide rails. Background Technology

[0002] Broaching and grinding are composite machining processes for elevator guide rails, combining the advantages of broaching (roughing) and grinding (finishing). The aim is to complete the key machining process of elevator guide rails efficiently and with high precision. Horizontal CNC high-speed machine tools are used to process elevator guide rails in this way.

[0003] When machining on a horizontal CNC high-speed machine tool, a broaching and grinding block is used to process elevator guide rails. Due to the metal-to-metal collision, the broaching and grinding block needs to be replaced after a long period of use. The existing broaching and grinding block is fixed by multiple bolts and nuts and screws. The process of disassembling and installing the broaching and grinding block is time-consuming, labor-intensive, and inefficient. Summary of the Invention

[0004] The purpose of this invention is to provide a horizontal CNC high-speed machine tool for grinding elevator guide rails, which can quickly replace and install grinding blocks, making it efficient and convenient.

[0005] The technical solution to achieve the purpose of this utility model is as follows: This utility model has a base; the base is provided with a placement groove for placing an elevator guide rail, one end of the placement groove extends into the base and communicates with the outside, and the other end of the placement groove is located on the base; the base is also provided with a bracket, the base is provided with a sliding groove along the extension direction of the placement groove, the bracket is slidably disposed in the sliding groove, and a sliding drive device for driving the bracket to slide is fixedly provided on the base, the bracket is slidably disposed on the base by the driving of the sliding drive device; a lifting block is provided on the bracket for lifting and sliding. A lifting drive device is fixedly provided for driving the lifting block to move vertically up and down. The lifting block is mounted on the bracket by the lifting drive device. The lifting block is located directly above the placement slot, with the lower end of the lifting block facing the placement slot. An installation block is also provided. The lower end of the lifting block is detachably fixedly connected to the upper end of the installation block. The lower end of the installation block faces the placement slot. Multiple grinding blocks for processing elevator guide rails are fixedly provided on the lower end of the installation block. Each grinding block is evenly arranged in the direction perpendicular to the extension direction of the placement slot.

[0006] Furthermore, the mounting block is fixedly provided with an insert block, which is fixedly located at the upper end of the mounting block. The left and right ends of the fixed block are respectively fixed with a first panel block and a second panel block. The lifting block has a slot on the side facing the placement groove that can form a sliding fit with the insert block. Both ends of the slot are connected to the outside. The two side walls of the slot are respectively provided with a first groove and a second groove that can form a sliding fit with the first panel block and the second panel block. The first groove and the second groove are arranged along the extension direction of the slot and both ends of the first groove and the second groove are connected to the outside. The mounting block is slidably mounted on the lifting block through the sliding fit between the insert block and the slot, and the corresponding sliding fit between the first panel block and the second panel block and the first groove and the second groove. The lifting block is also provided with a limiting component for limiting the sliding of the mounting block. The mounting block is detachably mounted on the lifting block through the sliding fit between the insert block and the slot, the sliding fit between the first panel block and the second panel block and the first groove and the second groove, and the limiting effect of the limiting component.

[0007] Furthermore, the limiting component includes a limiting rod and a return spring. The upper end of the lifting block is provided with a limiting hole extending toward the lower end of the lifting block and communicating with the slot. The limiting hole and the limiting rod form a sliding fit. The inner wall of the limiting hole is provided with a sliding groove concentrically arranged with the limiting hole and extending circumferentially with the axis of the limiting hole as the center. A sliding block is fixed on the limiting rod, extending circumferentially with the axis of the limiting hole as the center and forming a sliding fit with the sliding groove. One end of the sliding groove is arranged toward the upper end of the lifting block, and the other end of the sliding groove is arranged toward the lower end of the lifting block. The return spring is sleeved on the limiting rod and is located in the sliding groove. One end of the return spring acts on the end of the sliding groove facing the upper end of the lifting block, and the other end of the return spring acts on the sliding block. The insertion block is provided with a limited hole that can form an insertion fit with the limiting rod. The limiting rod forms an insertion fit with the limited hole through the sliding fit with the limiting hole, the sliding fit between the sliding block and the sliding groove, and the elastic force of the return spring. The mounting block forms a sliding limit through the insertion fit between the limiting rod and the limited hole.

[0008] Furthermore, a pull block is fixedly provided on the limiting rod, and the pull block is fixedly set on one end of the limiting rod near the upper end of the lifting block; a support rod is also provided, and the pull block is provided with a first groove for one end of the support rod to be inserted to form a plug-in fit, and the upper end of the lifting block is provided with a second groove for the other end of the support rod to be inserted to form a plug-in fit. The limiting rod forms a sliding limit in the limiting hole through the plug-in fit of the two ends of the support rod with the first groove and the second groove respectively.

[0009] Furthermore, the bracket includes two sliding grooves, each located on one side of the placement groove. The bracket comprises a first leg, a second leg, and a crossbar. The lower ends of the first and second legs are slidably disposed within the two sliding grooves, respectively. The two ends of the crossbar are fixedly connected to the upper ends of the first and second legs, respectively. A first screw and a second screw are provided corresponding to the first and second legs, extending along the extension direction of the corresponding sliding grooves. The first and second legs are respectively provided with a first threaded hole and a second threaded hole that can form a threaded engagement with the first and second screws. Two sliding drive devices are provided corresponding to the first and second screws, with the drive ends of the two devices fixedly connected to one end of the corresponding first and second screws, and the other ends of the first and second screws disposed on the mounting base. The bracket is slidably disposed on the base through the driving of the first and second screws by the corresponding sliding drive devices, the threaded engagement of the first and second screws with the first and second threaded holes, and the sliding engagement of the first and second legs with the corresponding sliding grooves.

[0010] Furthermore, each of the first and second legs has a lifting guide groove on its opposite side. The two ends of the lifting block are slidably disposed in the lifting guide grooves of the first and second legs. The lifting drive device is fixedly disposed on the crossbar. The drive end of the lifting drive device is fixedly connected to the upper end of the lifting block. The lifting block is slidably disposed on the bracket by sliding cooperation with the corresponding lifting guide grooves on the first and second legs and by the drive end of the lifting drive device.

[0011] The present invention has the following positive effects: (1) The present invention is provided with an installation block, the lower end of the lifting block is detachably fixedly connected to the upper end of the installation block, the lower end of the installation block is set towards the placement groove, and multiple grinding blocks for processing elevator guide rails are fixedly provided on the lower end of the installation block; the detachable fixed connection of the installation block allows the grinding blocks on the installation block to be replaced together, and the installation blocks with different numbers of grinding blocks can be selected for installation according to the number of elevator guide rails being processed at the same time, which is quick, efficient and convenient.

[0012] (2) The mounting block of this utility model can be detachably mounted on the lifting block through the sliding fit between the insert and the slot, the sliding fit between the first block and the second block and the first slot and the second slot, and the limiting effect of the limiting component. The limiting component includes a limiting rod and a return spring. The limiting rod forms an insertion fit with the limited hole through the sliding fit between the limiting hole, the sliding fit between the sliding block and the sliding groove, and the elastic force of the return spring. The mounting block forms a sliding limit through the insertion fit between the limiting rod and the limited hole. Through the sliding of the insert on the mounting block and the limitation formed by the limiting component on the lifting block, the mounting block can be installed faster, which is efficient and convenient.

[0013] (3) The present invention provides a pull block fixedly on the limiting rod, which is fixedly set on the upper end of the limiting rod near the lifting block; it also provides a support rod, the pull block is provided with a first groove for inserting one end of the support rod to form a plug-in fit, the upper end of the lifting block is provided with a second groove for inserting the other end of the support rod to form a plug-in fit, the limiting rod forms a sliding limit in the limiting hole by the plug-in fit of the two ends of the support rod with the first groove and the second groove respectively; by setting the support rod, the limiting rod can stay in the limiting hole when the driving plug slides in the slot, avoiding the limiting rod from forming a plug-in fit with the limited hole, which facilitates the operation when the mechanical function is replaced manually.

[0014] (4) The bracket of this utility model is slidably mounted on the base by driving the first screw and the second screw through the corresponding sliding drive device, the first screw and the second screw threadedly engaging with the first screw hole and the second screw hole, and the first support foot and the second support foot slidingly engaging with the corresponding slide groove; the double slide groove setting can ensure the stability of the bracket during operation.

[0015] (5) The lifting block of this utility model is mounted on the bracket by sliding cooperation with the lifting guide grooves of the corresponding first and second legs and by the driving end of the lifting drive device; by setting the lifting guide groove, it can be ensured that the lifting block will not deviate when sliding. Attached Figure Description

[0016] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein...

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a side view of the present invention;

[0019] Figure 3 This is a schematic diagram of the installation of the limiting components of this utility model;

[0020] Figure 4 This is a schematic diagram of the lifting block of this utility model;

[0021] Figure 5 for Figure 1 A magnified view of part A in the image.

[0022] In the diagram, base: 1, slide groove: 11, placement groove: 2, bracket: 3, first support leg: 31, second support leg: 32, crossbar: 33, sliding drive device: 4, lifting block: 5, slot: 51, first slot: 52, second slot: 53, limiting hole: 54, sliding groove: 55, lifting drive device: 6, mounting block: 7, insert block: 71, first block: 72, second block: 73, grinding block: 8, limiting component: 9, limiting rod: 91, sliding block: 911, pulling block: 912, return spring: 92, support rod: 93, first screw: a, second screw: b, lifting guide groove: c. Detailed Implementation

[0023] See Figures 1 to 5 This utility model includes a base 1; the base 1 has a placement groove 2 for placing an elevator guide rail, one end of the placement groove 2 extends from the base 1 and communicates with the outside, and the other end of the placement groove 2 is located on the base 1; the base 1 also has a bracket 3, and the base 1 has a sliding groove 11 along the extension direction of the placement groove 2, the bracket 3 is slidably disposed in the sliding groove 11, and the base 1 is also fixedly provided with a sliding drive device 4 for driving the bracket 3 to slide, the bracket 3 is slidably disposed on the base 1 by the driving of the sliding drive device 4; the bracket 3 is provided with a lifting block 5 that slides up and down, and the bracket 3 is fixedly provided with... A lifting drive device 6 is used to drive the lifting block 5 to move vertically up and down. The lifting block 5 is mounted on the bracket 3 by the driving of the lifting drive device 6. The lifting block 5 is located directly above the placement groove 2, with the lower end of the lifting block 5 facing the placement groove 2. A mounting block 7 is also provided. The lower end of the lifting block 5 is detachably fixed to the upper end of the mounting block 7. The lower end of the mounting block 7 faces the placement groove 2. Multiple grinding blocks 8 for processing elevator guide rails are fixedly provided on the lower end of the mounting block 7. Each grinding block 8 is evenly arranged in the vertical direction along the extension direction of the placement groove 2.

[0024] An insert block 71 is fixedly mounted on the mounting block 7, and the insert block 71 is fixedly mounted on the upper end of the mounting block 7. A first panel block 72 and a second panel block 73 are fixedly mounted on the left and right ends of the mounting block, respectively. A slot 51 is provided on the side of the lifting block 5 facing the placement slot 2, which can form a sliding engagement with the insert block 71. Both ends of the slot 51 are connected to the outside. The two side walls of the slot 51 are provided with a first panel groove 52 and a second panel groove 53, which can form a sliding engagement with the first panel block 72 and the second panel block 73, respectively. The first panel groove 52 and the second panel groove 53 are arranged along the extension direction of the slot 51, and the first panel groove 52... Both ends of the second slot 53 are connected to the outside; the mounting block 7 is slidably mounted on the lifting block 5 through the sliding engagement of the insert 71 with the slot 51 and the sliding engagement of the first block 72 and the second block 73 with the first slot 52 and the second slot 53 respectively. The lifting block 5 is also provided with a limiting component 9 for limiting the sliding of the mounting block 7. The mounting block 7 is detachably mounted on the lifting block 5 through the sliding engagement of the insert 71 with the slot 51, the sliding engagement of the first block 72 and the second block 73 with the first slot 52 and the second slot 53, and the limiting effect of the limiting component 9.

[0025] By sliding the first block 72 and the second block 73 with the first slot 52 and the second slot 53, the mounting block 7 will not fall off when it does not pass the limiting component 9 on the lifting block 5.

[0026] The limiting component 9 includes a limiting rod 91 and a return spring 92. The upper end of the lifting block 5 has a limiting hole 54 extending towards the lower end of the lifting block 5 and communicating with the slot 51. The limiting hole 54 and the limiting rod 91 form a sliding fit. The inner wall of the limiting hole 54 has a sliding groove 55 concentrically arranged with the limiting hole 54 and extending circumferentially around the axis of the limiting hole 54. A sliding block 911 is fixed on the limiting rod 91, extending circumferentially around the axis of the limiting hole 54 and capable of sliding fit with the sliding groove 55. One end of the sliding groove 55 faces the upper end of the lifting block 5, and the other end faces the lower end of the lifting block 5. The lower end of the mounting block 71 is provided with a return spring 92 sleeved on the limiting rod 91 and located in the sliding groove 55. One end of the return spring 92 acts on the upper end of the sliding groove 55 facing the lifting block 5, and the other end of the return spring 92 acts on the sliding block 911. The insert block 71 is provided with a limited hole that can be inserted into the limiting rod 91. The limiting rod 91 is inserted into the limited hole through the sliding fit with the limiting hole 54, the sliding fit between the sliding block 911 and the sliding groove 55, and the elastic force of the return spring 92. The mounting block 7 is slidably limited by the insertion fit between the limiting rod 91 and the limited hole.

[0027] A pull block 912 is fixedly provided on the limiting rod 91, and the pull block 912 is fixedly provided on one end of the limiting rod 91 near the upper end of the lifting block 5; a support rod 93 is also provided, and the pull block 912 is provided with a first groove for one end of the support rod 93 to be inserted to form a plug-in fit, and the upper end of the lifting block 5 is provided with a second groove for the other end of the support rod 93 to be inserted to form a plug-in fit, and the limiting rod 91 slides in the limiting hole 54 through the plug-in fit of the two ends of the support rod 93 with the first groove and the second groove respectively.

[0028] When the limiting rod 91 is engaged with the first groove and the second groove respectively through the two ends of the support rod 93 to form a sliding restriction in the limiting hole 54, the end of the limiting rod 91 facing the lower end of the lifting block 5 is located inside the limiting hole 54.

[0029] Two slide grooves 11 are provided, and the two slide grooves 11 are respectively arranged on both sides of the placement groove 2. The bracket 3 includes a first support leg 31, a second support leg 32, and a crossbar 33. The lower ends of the first support leg 31 and the second support leg 32 are respectively slidably arranged in the two slide grooves 11. The two ends of the crossbar 33 are respectively fixedly connected to the upper ends of the first support leg 31 and the second support leg 32. A first screw a and a second screw are provided corresponding to the first support leg 31 and the second support leg 32. The first screw a and the second screw extend along the extension direction of the slide groove 11 where the corresponding first support leg 31 and the second support leg 32 are located. The first support leg 31 and the second support leg 32 are respectively provided with The first screw hole and the second screw hole can form a threaded engagement with the first screw a and the second screw. The sliding drive device 4 is provided in two pairs corresponding to the first screw a and the second screw. The driving ends of the two sliding drive devices 4 are respectively fixedly connected to one end of the corresponding first screw a and the second screw. The other ends of the first screw a and the second screw are set on the mounting base 1. The bracket 3 is slidably set on the base 1 through the driving of the first screw a and the second screw by the corresponding sliding drive device 4, the threaded engagement of the first screw a and the second screw with the first screw hole and the second screw hole, and the sliding engagement of the first support leg 31 and the second support leg 32 with the corresponding sliding groove 11.

[0030] The first support leg 31 and the second support leg are symmetrically arranged on the base 1.

[0031] The first support leg 31 and the second support leg 32 are provided with lifting guide grooves c on their opposite sides. The two ends of the lifting block 5 are slidably disposed in the lifting guide grooves c of the first support leg 31 and the second support leg 32. The lifting drive device 6 is fixedly disposed on the crossbar 33. The drive end of the lifting drive device 6 is fixedly connected to the upper end of the lifting block 5. The lifting block 5 is slidably disposed on the bracket 3 by sliding cooperation with the lifting guide grooves c on the corresponding first support leg 31 and the second support leg 32 and by the drive end of the lifting drive device 6.

[0032] To ensure the stability of the mounting block 7 when it is installed on the lifting block 5, multiple insertion blocks 71 can be provided. Each insertion block 71 is evenly arranged in the vertical direction along the extension direction of the placement groove 2. Each insertion block 71 is provided with the first sub-block 72 and the second sub-block 73. The slot 51, the first sub-slot and the second sub-slot 53 on the lifting block 5 are all provided for each insertion block 71. At this time, multiple limiting components 9 are provided for each insertion block 71. The setting of each limiting component 9 is evenly arranged in the vertical direction along the extension direction of the placement groove 2. A connecting plate is fixedly connected between the pull block 912 on the limiting rod 91 of two adjacent limiting components 9. Through the connecting plate, the sliding of one limiting rod 91 can drive all the limiting rods 91 to slide.

[0033] The working principle of this utility model is as follows: by pulling the pulling block 912, the limiting rod 91 is driven to slide towards the upper end of the lifting block 5 in the limiting hole 54. After sliding, the lower end of the limiting rod 91 towards the lifting block 5 is inserted into the limiting hole 54. The two ends of the support rod 93 are respectively engaged with the first groove and the second groove so that the lower end of the limiting rod 91 towards the lifting block 5 is kept in the limiting hole 54.

[0034] The mounting block 7 is set on the lifting block 5 by sliding the insertion block 71 with the slot 51 and by sliding the first block 72 and the second block 73 with the first slot 52 and the second slot respectively. Then, the insertion of the two ends of the support rod 93 with the first groove and the second groove respectively is cancelled, so that the limiting rod 91 slides towards the lower end of the lifting block 5 under the elastic force of the return spring 92 on the sliding block 911. After sliding, the limiting rod 91 forms an insertion engagement with the limiting hole on the insertion block 71. At this time, the mounting block 7 forms a sliding restriction on the lifting block 5 through the insertion engagement of the limiting rod 91 with the limiting hole.

[0035] When a new mounting block 7 needs to be installed, the pulling block 912 is pulled to cause the limiting rod 91 to slide towards the upper end of the lifting block 5 within the limiting hole 54. After sliding, the lower end of the limiting rod 91 towards the lifting block 5 enters the limiting hole 54. The two ends of the support rod 93 are respectively engaged with the first groove and the second groove to keep the lower end of the limiting rod 91 in the limiting hole 54. The mounting block 7 is disengaged from the lifting block 5 by the sliding engagement of the insert block 71 with the slot 51 and the sliding engagement of the first panel block 72 and the second panel block 73 with the first panel groove 52 and the second sub-groove, respectively. Then, the new mounting block 7 is installed by the sliding engagement of the insert block 71 with the slot 51 and the sliding engagement of the first panel block 72 and the second panel block 73 with the first panel groove 52 and the second sub-groove, respectively. The new mounting block 7 then forms a sliding restriction on the lifting block 5 by the engagement of the limiting rod 91 with the limiting hole, thus completing the installation.

[0036] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A horizontal CNC high-speed machine tool for grinding elevator guide rails, comprising a base (1); characterized in that: The base (1) is provided with a placement groove (2) for placing elevator guide rails. One end of the placement groove (2) extends from the base (1) and is connected to the outside. The other end of the placement groove (2) is located on the base (1). The base (1) is also provided with a bracket (3). The base (1) is provided with a sliding groove (11) along the extension direction of the placement groove (2). The bracket (3) is slidably disposed in the sliding groove (11). The base (1) is also fixedly provided with a sliding drive device (4) for driving the bracket (3) to slide. The bracket (3) is slidably disposed on the base (1) by the drive of the sliding drive device (4). The bracket (3) is provided with a lifting block (5) for lifting and sliding. The bracket (3) is fixedly provided with a lifting block (5) for lifting and sliding. A lifting drive device (6) for vertically lifting and sliding the lifting block (5) is provided. The lifting block (5) is mounted on the bracket (3) by the lifting drive device (6). The lifting block (5) is located directly above the placement groove (2). The lower end of the lifting block (5) faces the placement groove (2). An installation block (7) is also provided. The lower end of the lifting block (5) is detachably fixed to the upper end of the installation block (7). The lower end of the installation block (7) faces the placement groove (2). Multiple grinding blocks (8) for processing elevator guide rails are fixed on the lower end of the installation block (7). Each grinding block (8) is evenly arranged in the vertical direction along the extension direction of the placement groove (2).

2. The horizontal CNC high-speed machine tool for grinding elevator guide rails according to claim 1, characterized in that: The mounting block (7) is fixedly provided with an insert block (71), which is fixedly located at the upper end of the mounting block (7). The left and right ends of the fixed block are respectively fixed with a first panel block (72) and a second panel block (73). The lifting block (5) is provided with a slot (51) on the side facing the placement slot (2) that can form a sliding fit with the insert block (71). Both ends of the slot (51) are connected to the outside. The two side walls of the slot (51) are respectively provided with a first groove (52) and a second groove (53) that can form a sliding fit with the first panel block (72) and the second panel block (73). The first groove (52) and the second groove (53) are arranged along the extension direction of the slot (51), and the first groove (52) is provided with a sliding fit with the first panel block (72) and the second groove (53). Both ends of the second slot (53) are connected to the outside; the mounting block (7) is slidably mounted on the lifting block (5) through the sliding fit between the insert (71) and the slot (51) and the sliding fit between the first block (72) and the second block (73) and the first slot (52) and the second slot (53) respectively. The lifting block (5) is also provided with a limiting component (9) for limiting the sliding of the mounting block (7). The mounting block (7) is detachably mounted on the lifting block (5) through the sliding fit between the insert (71) and the slot (51), the sliding fit between the first block (72) and the second block (73) and the first slot (52) and the second slot (53) and the limiting component (9).

3. The horizontal CNC high-speed machine tool for grinding elevator guide rails according to claim 2, characterized in that: The limiting component (9) includes a limiting rod (91) and a return spring (92). The upper end of the lifting block (5) is provided with a limiting hole (54) extending toward the lower end of the lifting block (5) and communicating with the slot (51). The limiting hole (54) and the limiting rod (91) form a sliding fit. The inner wall of the limiting hole (54) is provided with a sliding groove (55) that is concentrically arranged with the limiting hole (54) and extends in a circumferential direction with the axis of the limiting hole (54) as the center. The limiting rod (91) is fixedly provided with a sliding block (911) that extends in a circumferential direction with the axis of the limiting hole (54) as the center and can form a sliding fit with the sliding groove (55). One end of the sliding groove (55) is arranged toward the upper end of the lifting block (5), and the other end of the sliding groove (55) is arranged toward the upper end of the lifting block (5). The lower end of the block (5) is provided with a return spring (92) sleeved on the limiting rod (91) and the return spring (92) is located in the sliding groove (55). One end of the return spring (92) acts on the upper end of the sliding groove (55) facing the lifting block (5), and the other end of the return spring (92) acts on the sliding block (911). The insert block (71) is provided with a limited hole that can be inserted into the limiting rod (91). The limiting rod (91) is inserted into the limited hole through the sliding fit with the limiting hole (54), the sliding fit between the sliding block (911) and the sliding groove (55), and the elastic force of the return spring (92). The mounting block (7) is slidingly limited through the insertion fit between the limiting rod (91) and the limited hole.

4. The horizontal CNC high-speed machine tool for grinding elevator guide rails according to claim 3, characterized in that: A pull block (912) is fixedly provided on the limiting rod (91), and the pull block (912) is fixedly provided on one end of the limiting rod (91) near the upper end of the lifting block (5); a support rod (93) is also provided, and the pull block (912) is provided with a first groove for one end of the support rod (93) to be inserted to form a plug-in fit, and the upper end of the lifting block (5) is provided with a second groove for the other end of the support rod (93) to be inserted to form a plug-in fit. The limiting rod (91) forms a sliding limit in the limiting hole (54) by the plug-in fit of the two ends of the support rod (93) with the first groove and the second groove respectively.

5. A horizontal CNC high-speed machine tool for grinding elevator guide rails according to claim 1, characterized in that: Two slide grooves (11) are provided, and the two slide grooves (11) are respectively set on both sides of the placement groove (2). The bracket (3) includes a first support leg (31), a second support leg (32), and a crossbar (33). The lower ends of the first support leg (31) and the second support leg (32) are respectively slidably set in the two slide grooves (11). The two ends of the crossbar (33) are respectively fixedly connected to the upper ends of the first support leg (31) and the second support leg (32). A first screw (a) and a second screw are provided corresponding to the first support leg (31) and the second support leg (32). The first screw (a) and the second screw extend along the extension direction of the slide groove (11) where the first support leg (31) and the second support leg (32) are located. 32) is provided with a first screw hole and a second screw hole that can form a threaded engagement with the first screw (a) and the second screw respectively. The sliding drive device (4) is provided in two ways corresponding to the first screw (a) and the second screw. The driving ends of the two sliding drive devices (4) are fixedly connected to one end of the corresponding first screw (a) and the second screw respectively. The other ends of the first screw (a) and the second screw are set on the base (1). The bracket (3) is slidably set on the base (1) through the driving of the first screw (a) and the second screw by the corresponding sliding drive device (4), the threaded engagement of the first screw (a) and the second screw with the first screw hole and the second screw hole, and the sliding engagement of the first support (31) and the second support (32) with the corresponding sliding groove (11).

6. A horizontal CNC high-speed machine tool for grinding elevator guide rails according to claim 5, characterized in that: Lifting guide grooves (c) are provided on the opposite side of the first leg (31) and the second leg (32). The two ends of the lifting block (5) are slidably disposed in the lifting guide grooves (c) of the first leg (31) and the second leg (32). The lifting drive device (6) is fixedly disposed on the crossbar (33). The drive end of the lifting drive device (6) is fixedly connected to the upper end of the lifting block (5). The lifting block (5) is slidably disposed on the bracket (3) by sliding cooperation with the lifting guide grooves (c) on the corresponding first leg (31) and the second leg (32) and by the drive end of the lifting drive device (6).

Images